add Reverse: for v1.0.3

e/code.go

@@ -237,6 +237,6 @@ var MsgFlags = map[int]string{
 	ERR_ALIPAY_ORDER_ERR:    "订单创建错误",
 	ERR_PAY_ERR:             "未找到支付方式",
 	ERR_SEARCH_ERR:          "暂无该分类商品",
-	ERR_LEVEL_REACH_TOP:     "已经是最高等级 ",
+	ERR_LEVEL_REACH_TOP:     "已经是最高等级",
 	ERR_USER_CHECK_ERR:      "校验失败",
 }

e/msg.go

@@ -0,0 +1,124 @@
+package e
+
+import (
+	"code.fnuoos.com/go_rely_warehouse/zyos_go_tool.git/utils"
+	"code.fnuoos.com/go_rely_warehouse/zyos_go_tool.git/utils/logx"
+	"encoding/json"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+// GetMsg get error information based on Code
+// 因为这里code是自己控制的, 因此没考虑报错信息
+func GetMsg(code int) (int, string) {
+	if msg, ok := MsgFlags[code]; ok {
+		return code / 1000, msg
+	}
+	if http.StatusText(code) == "" {
+		code = 200
+	}
+	return code, MsgFlags[ERR_BAD_REQUEST]
+}
+
+// 成功输出, fields 是额外字段, 与code, msg同级
+func OutSuc(c *gin.Context, data interface{}, fields map[string]interface{}) {
+	res := gin.H{
+		"code": 1,
+		"msg":  "ok",
+		"data": data,
+	}
+	if fields != nil {
+		for k, v := range fields {
+			res[k] = v
+		}
+	}
+	jsonData, _ := json.Marshal(res)
+	strs := string(jsonData)
+	if c.GetString("translate_open") != "" {
+		strs = utils.ReadReverse(c, string(jsonData), "")
+	}
+	if utils.GetApiVersion(c) > 0 { //加了签名校验只返回加密的字符串
+		strs = utils.ResultAes(c, []byte(strs))
+	}
+	c.Writer.WriteString(strs)
+
+}
+
+func OutSucPure(c *gin.Context, data interface{}, fields map[string]interface{}) {
+	res := gin.H{
+		"code": 1,
+		"msg":  "ok",
+		"data": data,
+	}
+	if fields != nil {
+		for k, v := range fields {
+			res[k] = v
+		}
+	}
+	jsonData, _ := json.Marshal(res)
+	strs := string(jsonData)
+	if c.GetString("translate_open") != "" {
+		strs = utils.ReadReverse(c, string(jsonData), "")
+	}
+	if utils.GetApiVersion(c) > 0 { //加了签名校验只返回加密的字符串
+		strs = utils.ResultAes(c, []byte(strs))
+	}
+	c.Writer.WriteString(strs)
+
+}
+
+// 错误输出
+func OutErr(c *gin.Context, code int, err ...interface{}) {
+	statusCode, msg := GetMsg(code)
+	if len(err) > 0 && err[0] != nil {
+		e := err[0]
+		switch v := e.(type) {
+		case E:
+			statusCode = v.Code / 1000
+			msg = v.Error()
+			logx.Error(v.msg + ": " + v.st) // 记录堆栈信息
+		case error:
+			logx.Error(v)
+			break
+		case string:
+			msg = v
+		case int:
+			if _, ok := MsgFlags[v]; ok {
+				msg = MsgFlags[v]
+			}
+		}
+	}
+	if c.GetString("translate_open") != "" {
+		msg = utils.ReadReverse(c, msg, "")
+	}
+	if utils.GetApiVersion(c) > 0 { //加了签名校验只返回加密的字符串
+		jsonData, _ := json.Marshal(gin.H{
+			"code": code,
+			"msg":  msg,
+			"data": []struct{}{},
+		})
+		str := utils.ResultAes(c, jsonData)
+		if code > 100000 {
+			code = int(utils.FloatFormat(float64(code/1000), 0))
+		}
+		c.Status(500)
+		c.Writer.WriteString(str)
+	} else {
+		c.AbortWithStatusJSON(statusCode, gin.H{
+			"code": code,
+			"msg":  msg,
+			"data": []struct{}{},
+		})
+	}
+
+}
+
+// 重定向
+func OutRedirect(c *gin.Context, code int, loc string) {
+	if code < 301 || code > 308 {
+		code = 303
+	}
+	c.Redirect(code, loc)
+	c.Abort()
+}

e/set_cache.go

@@ -0,0 +1,8 @@
+package e
+
+func SetCache(cacheTime int64) map[string]interface{} {
+	if cacheTime == 0 {
+		return map[string]interface{}{"cache_time": cacheTime}
+	}
+	return map[string]interface{}{"cache_time": cacheTime}
+}

utils/base64.go

@@ -0,0 +1,118 @@
+package utils
+
+import (
+	"encoding/base64"
+	"fmt"
+	"regexp"
+)
+
+const (
+	Base64Std = iota
+	Base64Url
+	Base64RawStd
+	Base64RawUrl
+)
+
+func Base64StdEncode(str interface{}) string {
+	return Base64Encode(str, Base64Std)
+}
+
+func Base64StdDecode(str interface{}) string {
+	return Base64Decode(str, Base64Std)
+}
+
+func Base64UrlEncode(str interface{}) string {
+	return Base64Encode(str, Base64Url)
+}
+
+func Base64UrlDecode(str interface{}) string {
+	return Base64Decode(str, Base64Url)
+}
+
+func Base64RawStdEncode(str interface{}) string {
+	return Base64Encode(str, Base64RawStd)
+}
+
+func Base64RawStdDecode(str interface{}) string {
+	return Base64Decode(str, Base64RawStd)
+}
+
+func Base64RawUrlEncode(str interface{}) string {
+	return Base64Encode(str, Base64RawUrl)
+}
+
+func Base64RawUrlDecode(str interface{}) string {
+	return Base64Decode(str, Base64RawUrl)
+}
+
+func Base64Encode(str interface{}, encode int) string {
+	newEncode := base64Encode(encode)
+	if newEncode == nil {
+		return ""
+	}
+	switch v := str.(type) {
+	case string:
+		return newEncode.EncodeToString([]byte(v))
+	case []byte:
+		return newEncode.EncodeToString(v)
+	}
+	return newEncode.EncodeToString([]byte(fmt.Sprint(str)))
+}
+
+func Base64Decode(str interface{}, encode int) string {
+	var err error
+	var b []byte
+	newEncode := base64Encode(encode)
+	if newEncode == nil {
+		return ""
+	}
+	switch v := str.(type) {
+	case string:
+		b, err = newEncode.DecodeString(v)
+	case []byte:
+		b, err = newEncode.DecodeString(string(v))
+	default:
+		return ""
+	}
+	if err != nil {
+		return ""
+	}
+	return string(b)
+}
+
+func base64Encode(encode int) *base64.Encoding {
+	switch encode {
+	case Base64Std:
+		return base64.StdEncoding
+	case Base64Url:
+		return base64.URLEncoding
+	case Base64RawStd:
+		return base64.RawStdEncoding
+	case Base64RawUrl:
+		return base64.RawURLEncoding
+	default:
+		return nil
+	}
+}
+
+
+func JudgeBase64(str string) bool {
+	pattern := "^([A-Za-z0-9+/]{4})*([A-Za-z0-9+/]{4}|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{2}==)$"
+	matched, err := regexp.MatchString(pattern, str)
+	if err != nil {
+		return false
+	}
+	if !(len(str)%4 == 0 && matched) {
+		return false
+	}
+	unCodeStr, err := base64.StdEncoding.DecodeString(str)
+	if err != nil {
+		return false
+	}
+	tranStr := base64.StdEncoding.EncodeToString(unCodeStr)
+	//return str==base64.StdEncoding.EncodeToString(unCodeStr)
+	if str == tranStr {
+		return true
+	}
+	return false
+}

utils/boolean.go

@@ -0,0 +1,26 @@
+package utils
+
+import "reflect"
+
+// 检验一个值是否为空
+func Empty(val interface{}) bool {
+	v := reflect.ValueOf(val)
+	switch v.Kind() {
+	case reflect.String, reflect.Array:
+		return v.Len() == 0
+	case reflect.Map, reflect.Slice:
+		return v.Len() == 0 || v.IsNil()
+	case reflect.Bool:
+		return !v.Bool()
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+		return v.Int() == 0
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
+		return v.Uint() == 0
+	case reflect.Float32, reflect.Float64:
+		return v.Float() == 0
+	case reflect.Interface, reflect.Ptr:
+		return v.IsNil()
+	}
+
+	return reflect.DeepEqual(val, reflect.Zero(v.Type()).Interface())
+}

utils/cache/base.go

@@ -0,0 +1,421 @@
+package cache
+
+import (
+	"errors"
+	"fmt"
+	"strconv"
+	"time"
+)
+
+const (
+	redisDialTTL         = 10 * time.Second
+	redisReadTTL         = 3 * time.Second
+	redisWriteTTL        = 3 * time.Second
+	redisIdleTTL         = 10 * time.Second
+	redisPoolTTL         = 10 * time.Second
+	redisPoolSize    int = 512
+	redisMaxIdleConn int = 64
+	redisMaxActive   int = 512
+)
+
+var (
+	ErrNil          = errors.New("nil return")
+	ErrWrongArgsNum = errors.New("args num error")
+	ErrNegativeInt  = errors.New("redis cluster: unexpected value for Uint64")
+)
+
+// 以下为提供类型转换
+
+func Int(reply interface{}, err error) (int, error) {
+	if err != nil {
+		return 0, err
+	}
+	switch reply := reply.(type) {
+	case int:
+		return reply, nil
+	case int8:
+		return int(reply), nil
+	case int16:
+		return int(reply), nil
+	case int32:
+		return int(reply), nil
+	case int64:
+		x := int(reply)
+		if int64(x) != reply {
+			return 0, strconv.ErrRange
+		}
+		return x, nil
+	case uint:
+		n := int(reply)
+		if n < 0 {
+			return 0, strconv.ErrRange
+		}
+		return n, nil
+	case uint8:
+		return int(reply), nil
+	case uint16:
+		return int(reply), nil
+	case uint32:
+		n := int(reply)
+		if n < 0 {
+			return 0, strconv.ErrRange
+		}
+		return n, nil
+	case uint64:
+		n := int(reply)
+		if n < 0 {
+			return 0, strconv.ErrRange
+		}
+		return n, nil
+	case []byte:
+		data := string(reply)
+		if len(data) == 0 {
+			return 0, ErrNil
+		}
+
+		n, err := strconv.ParseInt(data, 10, 0)
+		return int(n), err
+	case string:
+		if len(reply) == 0 {
+			return 0, ErrNil
+		}
+
+		n, err := strconv.ParseInt(reply, 10, 0)
+		return int(n), err
+	case nil:
+		return 0, ErrNil
+	case error:
+		return 0, reply
+	}
+	return 0, fmt.Errorf("redis cluster: unexpected type for Int, got type %T", reply)
+}
+
+func Int64(reply interface{}, err error) (int64, error) {
+	if err != nil {
+		return 0, err
+	}
+	switch reply := reply.(type) {
+	case int:
+		return int64(reply), nil
+	case int8:
+		return int64(reply), nil
+	case int16:
+		return int64(reply), nil
+	case int32:
+		return int64(reply), nil
+	case int64:
+		return reply, nil
+	case uint:
+		n := int64(reply)
+		if n < 0 {
+			return 0, strconv.ErrRange
+		}
+		return n, nil
+	case uint8:
+		return int64(reply), nil
+	case uint16:
+		return int64(reply), nil
+	case uint32:
+		return int64(reply), nil
+	case uint64:
+		n := int64(reply)
+		if n < 0 {
+			return 0, strconv.ErrRange
+		}
+		return n, nil
+	case []byte:
+		data := string(reply)
+		if len(data) == 0 {
+			return 0, ErrNil
+		}
+
+		n, err := strconv.ParseInt(data, 10, 64)
+		return n, err
+	case string:
+		if len(reply) == 0 {
+			return 0, ErrNil
+		}
+
+		n, err := strconv.ParseInt(reply, 10, 64)
+		return n, err
+	case nil:
+		return 0, ErrNil
+	case error:
+		return 0, reply
+	}
+	return 0, fmt.Errorf("redis cluster: unexpected type for Int64, got type %T", reply)
+}
+
+func Uint64(reply interface{}, err error) (uint64, error) {
+	if err != nil {
+		return 0, err
+	}
+	switch reply := reply.(type) {
+	case uint:
+		return uint64(reply), nil
+	case uint8:
+		return uint64(reply), nil
+	case uint16:
+		return uint64(reply), nil
+	case uint32:
+		return uint64(reply), nil
+	case uint64:
+		return reply, nil
+	case int:
+		if reply < 0 {
+			return 0, ErrNegativeInt
+		}
+		return uint64(reply), nil
+	case int8:
+		if reply < 0 {
+			return 0, ErrNegativeInt
+		}
+		return uint64(reply), nil
+	case int16:
+		if reply < 0 {
+			return 0, ErrNegativeInt
+		}
+		return uint64(reply), nil
+	case int32:
+		if reply < 0 {
+			return 0, ErrNegativeInt
+		}
+		return uint64(reply), nil
+	case int64:
+		if reply < 0 {
+			return 0, ErrNegativeInt
+		}
+		return uint64(reply), nil
+	case []byte:
+		data := string(reply)
+		if len(data) == 0 {
+			return 0, ErrNil
+		}
+
+		n, err := strconv.ParseUint(data, 10, 64)
+		return n, err
+	case string:
+		if len(reply) == 0 {
+			return 0, ErrNil
+		}
+
+		n, err := strconv.ParseUint(reply, 10, 64)
+		return n, err
+	case nil:
+		return 0, ErrNil
+	case error:
+		return 0, reply
+	}
+	return 0, fmt.Errorf("redis cluster: unexpected type for Uint64, got type %T", reply)
+}
+
+func Float64(reply interface{}, err error) (float64, error) {
+	if err != nil {
+		return 0, err
+	}
+
+	var value float64
+	err = nil
+	switch v := reply.(type) {
+	case float32:
+		value = float64(v)
+	case float64:
+		value = v
+	case int:
+		value = float64(v)
+	case int8:
+		value = float64(v)
+	case int16:
+		value = float64(v)
+	case int32:
+		value = float64(v)
+	case int64:
+		value = float64(v)
+	case uint:
+		value = float64(v)
+	case uint8:
+		value = float64(v)
+	case uint16:
+		value = float64(v)
+	case uint32:
+		value = float64(v)
+	case uint64:
+		value = float64(v)
+	case []byte:
+		data := string(v)
+		if len(data) == 0 {
+			return 0, ErrNil
+		}
+		value, err = strconv.ParseFloat(string(v), 64)
+	case string:
+		if len(v) == 0 {
+			return 0, ErrNil
+		}
+		value, err = strconv.ParseFloat(v, 64)
+	case nil:
+		err = ErrNil
+	case error:
+		err = v
+	default:
+		err = fmt.Errorf("redis cluster: unexpected type for Float64, got type %T", v)
+	}
+
+	return value, err
+}
+
+func Bool(reply interface{}, err error) (bool, error) {
+	if err != nil {
+		return false, err
+	}
+	switch reply := reply.(type) {
+	case bool:
+		return reply, nil
+	case int64:
+		return reply != 0, nil
+	case []byte:
+		data := string(reply)
+		if len(data) == 0 {
+			return false, ErrNil
+		}
+
+		return strconv.ParseBool(data)
+	case string:
+		if len(reply) == 0 {
+			return false, ErrNil
+		}
+
+		return strconv.ParseBool(reply)
+	case nil:
+		return false, ErrNil
+	case error:
+		return false, reply
+	}
+	return false, fmt.Errorf("redis cluster: unexpected type for Bool, got type %T", reply)
+}
+
+func Bytes(reply interface{}, err error) ([]byte, error) {
+	if err != nil {
+		return nil, err
+	}
+	switch reply := reply.(type) {
+	case []byte:
+		if len(reply) == 0 {
+			return nil, ErrNil
+		}
+		return reply, nil
+	case string:
+		data := []byte(reply)
+		if len(data) == 0 {
+			return nil, ErrNil
+		}
+		return data, nil
+	case nil:
+		return nil, ErrNil
+	case error:
+		return nil, reply
+	}
+	return nil, fmt.Errorf("redis cluster: unexpected type for Bytes, got type %T", reply)
+}
+
+func String(reply interface{}, err error) (string, error) {
+	if err != nil {
+		return "", err
+	}
+
+	value := ""
+	err = nil
+	switch v := reply.(type) {
+	case string:
+		if len(v) == 0 {
+			return "", ErrNil
+		}
+
+		value = v
+	case []byte:
+		if len(v) == 0 {
+			return "", ErrNil
+		}
+
+		value = string(v)
+	case int:
+		value = strconv.FormatInt(int64(v), 10)
+	case int8:
+		value = strconv.FormatInt(int64(v), 10)
+	case int16:
+		value = strconv.FormatInt(int64(v), 10)
+	case int32:
+		value = strconv.FormatInt(int64(v), 10)
+	case int64:
+		value = strconv.FormatInt(v, 10)
+	case uint:
+		value = strconv.FormatUint(uint64(v), 10)
+	case uint8:
+		value = strconv.FormatUint(uint64(v), 10)
+	case uint16:
+		value = strconv.FormatUint(uint64(v), 10)
+	case uint32:
+		value = strconv.FormatUint(uint64(v), 10)
+	case uint64:
+		value = strconv.FormatUint(v, 10)
+	case float32:
+		value = strconv.FormatFloat(float64(v), 'f', -1, 32)
+	case float64:
+		value = strconv.FormatFloat(v, 'f', -1, 64)
+	case bool:
+		value = strconv.FormatBool(v)
+	case nil:
+		err = ErrNil
+	case error:
+		err = v
+	default:
+		err = fmt.Errorf("redis cluster: unexpected type for String, got type %T", v)
+	}
+
+	return value, err
+}
+
+func Strings(reply interface{}, err error) ([]string, error) {
+	if err != nil {
+		return nil, err
+	}
+	switch reply := reply.(type) {
+	case []interface{}:
+		result := make([]string, len(reply))
+		for i := range reply {
+			if reply[i] == nil {
+				continue
+			}
+			switch subReply := reply[i].(type) {
+			case string:
+				result[i] = subReply
+			case []byte:
+				result[i] = string(subReply)
+			default:
+				return nil, fmt.Errorf("redis cluster: unexpected element type for String, got type %T", reply[i])
+			}
+		}
+		return result, nil
+	case []string:
+		return reply, nil
+	case nil:
+		return nil, ErrNil
+	case error:
+		return nil, reply
+	}
+	return nil, fmt.Errorf("redis cluster: unexpected type for Strings, got type %T", reply)
+}
+
+func Values(reply interface{}, err error) ([]interface{}, error) {
+	if err != nil {
+		return nil, err
+	}
+	switch reply := reply.(type) {
+	case []interface{}:
+		return reply, nil
+	case nil:
+		return nil, ErrNil
+	case error:
+		return nil, reply
+	}
+	return nil, fmt.Errorf("redis cluster: unexpected type for Values, got type %T", reply)
+}

utils/cache/cache/cache.go

@@ -0,0 +1,107 @@
+package cache
+
+import (
+	"fmt"
+	"time"
+)
+
+var c Cache
+
+type Cache interface {
+	// get cached value by key.
+	Get(key string) interface{}
+	// GetMulti is a batch version of Get.
+	GetMulti(keys []string) []interface{}
+	// set cached value with key and expire time.
+	Put(key string, val interface{}, timeout time.Duration) error
+	// delete cached value by key.
+	Delete(key string) error
+	// increase cached int value by key, as a counter.
+	Incr(key string) error
+	// decrease cached int value by key, as a counter.
+	Decr(key string) error
+	// check if cached value exists or not.
+	IsExist(key string) bool
+	// clear all cache.
+	ClearAll() error
+	// start gc routine based on config string settings.
+	StartAndGC(config string) error
+}
+
+// Instance is a function create a new Cache Instance
+type Instance func() Cache
+
+var adapters = make(map[string]Instance)
+
+// Register makes a cache adapter available by the adapter name.
+// If Register is called twice with the same name or if driver is nil,
+// it panics.
+func Register(name string, adapter Instance) {
+	if adapter == nil {
+		panic("cache: Register adapter is nil")
+	}
+	if _, ok := adapters[name]; ok {
+		panic("cache: Register called twice for adapter " + name)
+	}
+	adapters[name] = adapter
+}
+
+// NewCache Create a new cache driver by adapter name and config string.
+// config need to be correct JSON as string: {"interval":360}.
+// it will start gc automatically.
+func NewCache(adapterName, config string) (adapter Cache, err error) {
+	instanceFunc, ok := adapters[adapterName]
+	if !ok {
+		err = fmt.Errorf("cache: unknown adapter name %q (forgot to import?)", adapterName)
+		return
+	}
+	adapter = instanceFunc()
+	err = adapter.StartAndGC(config)
+	if err != nil {
+		adapter = nil
+	}
+	return
+}
+
+func InitCache(adapterName, config string) (err error) {
+	instanceFunc, ok := adapters[adapterName]
+	if !ok {
+		err = fmt.Errorf("cache: unknown adapter name %q (forgot to import?)", adapterName)
+		return
+	}
+	c = instanceFunc()
+	err = c.StartAndGC(config)
+	if err != nil {
+		c = nil
+	}
+	return
+}
+
+func Get(key string) interface{} {
+	return c.Get(key)
+}
+
+func GetMulti(keys []string) []interface{} {
+	return c.GetMulti(keys)
+}
+func Put(key string, val interface{}, ttl time.Duration) error {
+	return c.Put(key, val, ttl)
+}
+func Delete(key string) error {
+	return c.Delete(key)
+}
+func Incr(key string) error {
+	return c.Incr(key)
+}
+func Decr(key string) error {
+	return c.Decr(key)
+}
+func IsExist(key string) bool {
+	return c.IsExist(key)
+}
+func ClearAll() error {
+	return c.ClearAll()
+}
+func StartAndGC(cfg string) error {
+	return c.StartAndGC(cfg)
+}

utils/cache/cache/conv.go

@@ -0,0 +1,86 @@
+package cache
+
+import (
+	"fmt"
+	"strconv"
+)
+
+// GetString convert interface to string.
+func GetString(v interface{}) string {
+	switch result := v.(type) {
+	case string:
+		return result
+	case []byte:
+		return string(result)
+	default:
+		if v != nil {
+			return fmt.Sprint(result)
+		}
+	}
+	return ""
+}
+
+// GetInt convert interface to int.
+func GetInt(v interface{}) int {
+	switch result := v.(type) {
+	case int:
+		return result
+	case int32:
+		return int(result)
+	case int64:
+		return int(result)
+	default:
+		if d := GetString(v); d != "" {
+			value, _ := strconv.Atoi(d)
+			return value
+		}
+	}
+	return 0
+}
+
+// GetInt64 convert interface to int64.
+func GetInt64(v interface{}) int64 {
+	switch result := v.(type) {
+	case int:
+		return int64(result)
+	case int32:
+		return int64(result)
+	case int64:
+		return result
+	default:
+
+		if d := GetString(v); d != "" {
+			value, _ := strconv.ParseInt(d, 10, 64)
+			return value
+		}
+	}
+	return 0
+}
+
+// GetFloat64 convert interface to float64.
+func GetFloat64(v interface{}) float64 {
+	switch result := v.(type) {
+	case float64:
+		return result
+	default:
+		if d := GetString(v); d != "" {
+			value, _ := strconv.ParseFloat(d, 64)
+			return value
+		}
+	}
+	return 0
+}
+
+// GetBool convert interface to bool.
+func GetBool(v interface{}) bool {
+	switch result := v.(type) {
+	case bool:
+		return result
+	default:
+		if d := GetString(v); d != "" {
+			value, _ := strconv.ParseBool(d)
+			return value
+		}
+	}
+	return false
+}

utils/cache/cache/file.go

@@ -0,0 +1,241 @@
+package cache
+
+import (
+	"bytes"
+	"crypto/md5"
+	"encoding/gob"
+	"encoding/hex"
+	"encoding/json"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"reflect"
+	"strconv"
+	"time"
+)
+
+// FileCacheItem is basic unit of file cache adapter.
+// it contains data and expire time.
+type FileCacheItem struct {
+	Data       interface{}
+	LastAccess time.Time
+	Expired    time.Time
+}
+
+// FileCache Config
+var (
+	FileCachePath           = "cache"     // cache directory
+	FileCacheFileSuffix     = ".bin"      // cache file suffix
+	FileCacheDirectoryLevel = 2           // cache file deep level if auto generated cache files.
+	FileCacheEmbedExpiry    time.Duration // cache expire time, default is no expire forever.
+)
+
+// FileCache is cache adapter for file storage.
+type FileCache struct {
+	CachePath      string
+	FileSuffix     string
+	DirectoryLevel int
+	EmbedExpiry    int
+}
+
+// NewFileCache Create new file cache with no config.
+// the level and expiry need set in method StartAndGC as config string.
+func NewFileCache() Cache {
+	//    return &FileCache{CachePath:FileCachePath, FileSuffix:FileCacheFileSuffix}
+	return &FileCache{}
+}
+
+// StartAndGC will start and begin gc for file cache.
+// the config need to be like {CachePath:"/cache","FileSuffix":".bin","DirectoryLevel":2,"EmbedExpiry":0}
+func (fc *FileCache) StartAndGC(config string) error {
+
+	var cfg map[string]string
+	json.Unmarshal([]byte(config), &cfg)
+	if _, ok := cfg["CachePath"]; !ok {
+		cfg["CachePath"] = FileCachePath
+	}
+	if _, ok := cfg["FileSuffix"]; !ok {
+		cfg["FileSuffix"] = FileCacheFileSuffix
+	}
+	if _, ok := cfg["DirectoryLevel"]; !ok {
+		cfg["DirectoryLevel"] = strconv.Itoa(FileCacheDirectoryLevel)
+	}
+	if _, ok := cfg["EmbedExpiry"]; !ok {
+		cfg["EmbedExpiry"] = strconv.FormatInt(int64(FileCacheEmbedExpiry.Seconds()), 10)
+	}
+	fc.CachePath = cfg["CachePath"]
+	fc.FileSuffix = cfg["FileSuffix"]
+	fc.DirectoryLevel, _ = strconv.Atoi(cfg["DirectoryLevel"])
+	fc.EmbedExpiry, _ = strconv.Atoi(cfg["EmbedExpiry"])
+
+	fc.Init()
+	return nil
+}
+
+// Init will make new dir for file cache if not exist.
+func (fc *FileCache) Init() {
+	if ok, _ := exists(fc.CachePath); !ok { // todo : error handle
+		_ = os.MkdirAll(fc.CachePath, os.ModePerm) // todo : error handle
+	}
+}
+
+// get cached file name. it's md5 encoded.
+func (fc *FileCache) getCacheFileName(key string) string {
+	m := md5.New()
+	io.WriteString(m, key)
+	keyMd5 := hex.EncodeToString(m.Sum(nil))
+	cachePath := fc.CachePath
+	switch fc.DirectoryLevel {
+	case 2:
+		cachePath = filepath.Join(cachePath, keyMd5[0:2], keyMd5[2:4])
+	case 1:
+		cachePath = filepath.Join(cachePath, keyMd5[0:2])
+	}
+
+	if ok, _ := exists(cachePath); !ok { // todo : error handle
+		_ = os.MkdirAll(cachePath, os.ModePerm) // todo : error handle
+	}
+
+	return filepath.Join(cachePath, fmt.Sprintf("%s%s", keyMd5, fc.FileSuffix))
+}
+
+// Get value from file cache.
+// if non-exist or expired, return empty string.
+func (fc *FileCache) Get(key string) interface{} {
+	fileData, err := FileGetContents(fc.getCacheFileName(key))
+	if err != nil {
+		return ""
+	}
+	var to FileCacheItem
+	GobDecode(fileData, &to)
+	if to.Expired.Before(time.Now()) {
+		return ""
+	}
+	return to.Data
+}
+
+// GetMulti gets values from file cache.
+// if non-exist or expired, return empty string.
+func (fc *FileCache) GetMulti(keys []string) []interface{} {
+	var rc []interface{}
+	for _, key := range keys {
+		rc = append(rc, fc.Get(key))
+	}
+	return rc
+}
+
+// Put value into file cache.
+// timeout means how long to keep this file, unit of ms.
+// if timeout equals FileCacheEmbedExpiry(default is 0), cache this item forever.
+func (fc *FileCache) Put(key string, val interface{}, timeout time.Duration) error {
+	gob.Register(val)
+
+	item := FileCacheItem{Data: val}
+	if timeout == FileCacheEmbedExpiry {
+		item.Expired = time.Now().Add((86400 * 365 * 10) * time.Second) // ten years
+	} else {
+		item.Expired = time.Now().Add(timeout)
+	}
+	item.LastAccess = time.Now()
+	data, err := GobEncode(item)
+	if err != nil {
+		return err
+	}
+	return FilePutContents(fc.getCacheFileName(key), data)
+}
+
+// Delete file cache value.
+func (fc *FileCache) Delete(key string) error {
+	filename := fc.getCacheFileName(key)
+	if ok, _ := exists(filename); ok {
+		return os.Remove(filename)
+	}
+	return nil
+}
+
+// Incr will increase cached int value.
+// fc value is saving forever unless Delete.
+func (fc *FileCache) Incr(key string) error {
+	data := fc.Get(key)
+	var incr int
+	if reflect.TypeOf(data).Name() != "int" {
+		incr = 0
+	} else {
+		incr = data.(int) + 1
+	}
+	fc.Put(key, incr, FileCacheEmbedExpiry)
+	return nil
+}
+
+// Decr will decrease cached int value.
+func (fc *FileCache) Decr(key string) error {
+	data := fc.Get(key)
+	var decr int
+	if reflect.TypeOf(data).Name() != "int" || data.(int)-1 <= 0 {
+		decr = 0
+	} else {
+		decr = data.(int) - 1
+	}
+	fc.Put(key, decr, FileCacheEmbedExpiry)
+	return nil
+}
+
+// IsExist check value is exist.
+func (fc *FileCache) IsExist(key string) bool {
+	ret, _ := exists(fc.getCacheFileName(key))
+	return ret
+}
+
+// ClearAll will clean cached files.
+// not implemented.
+func (fc *FileCache) ClearAll() error {
+	return nil
+}
+
+// check file exist.
+func exists(path string) (bool, error) {
+	_, err := os.Stat(path)
+	if err == nil {
+		return true, nil
+	}
+	if os.IsNotExist(err) {
+		return false, nil
+	}
+	return false, err
+}
+
+// FileGetContents Get bytes to file.
+// if non-exist, create this file.
+func FileGetContents(filename string) (data []byte, e error) {
+	return ioutil.ReadFile(filename)
+}
+
+// FilePutContents Put bytes to file.
+// if non-exist, create this file.
+func FilePutContents(filename string, content []byte) error {
+	return ioutil.WriteFile(filename, content, os.ModePerm)
+}
+
+// GobEncode Gob encodes file cache item.
+func GobEncode(data interface{}) ([]byte, error) {
+	buf := bytes.NewBuffer(nil)
+	enc := gob.NewEncoder(buf)
+	err := enc.Encode(data)
+	if err != nil {
+		return nil, err
+	}
+	return buf.Bytes(), err
+}
+
+// GobDecode Gob decodes file cache item.
+func GobDecode(data []byte, to *FileCacheItem) error {
+	buf := bytes.NewBuffer(data)
+	dec := gob.NewDecoder(buf)
+	return dec.Decode(&to)
+}
+
+func init() {
+	Register("file", NewFileCache)
+}

utils/cache/cache/memory.go

@@ -0,0 +1,239 @@
+package cache
+
+import (
+	"encoding/json"
+	"errors"
+	"sync"
+	"time"
+)
+
+var (
+	// DefaultEvery means the clock time of recycling the expired cache items in memory.
+	DefaultEvery = 60 // 1 minute
+)
+
+// MemoryItem store memory cache item.
+type MemoryItem struct {
+	val         interface{}
+	createdTime time.Time
+	lifespan    time.Duration
+}
+
+func (mi *MemoryItem) isExpire() bool {
+	// 0 means forever
+	if mi.lifespan == 0 {
+		return false
+	}
+	return time.Now().Sub(mi.createdTime) > mi.lifespan
+}
+
+// MemoryCache is Memory cache adapter.
+// it contains a RW locker for safe map storage.
+type MemoryCache struct {
+	sync.RWMutex
+	dur   time.Duration
+	items map[string]*MemoryItem
+	Every int // run an expiration check Every clock time
+}
+
+// NewMemoryCache returns a new MemoryCache.
+func NewMemoryCache() Cache {
+	cache := MemoryCache{items: make(map[string]*MemoryItem)}
+	return &cache
+}
+
+// Get cache from memory.
+// if non-existed or expired, return nil.
+func (bc *MemoryCache) Get(name string) interface{} {
+	bc.RLock()
+	defer bc.RUnlock()
+	if itm, ok := bc.items[name]; ok {
+		if itm.isExpire() {
+			return nil
+		}
+		return itm.val
+	}
+	return nil
+}
+
+// GetMulti gets caches from memory.
+// if non-existed or expired, return nil.
+func (bc *MemoryCache) GetMulti(names []string) []interface{} {
+	var rc []interface{}
+	for _, name := range names {
+		rc = append(rc, bc.Get(name))
+	}
+	return rc
+}
+
+// Put cache to memory.
+// if lifespan is 0, it will be forever till restart.
+func (bc *MemoryCache) Put(name string, value interface{}, lifespan time.Duration) error {
+	bc.Lock()
+	defer bc.Unlock()
+	bc.items[name] = &MemoryItem{
+		val:         value,
+		createdTime: time.Now(),
+		lifespan:    lifespan,
+	}
+	return nil
+}
+
+// Delete cache in memory.
+func (bc *MemoryCache) Delete(name string) error {
+	bc.Lock()
+	defer bc.Unlock()
+	if _, ok := bc.items[name]; !ok {
+		return errors.New("key not exist")
+	}
+	delete(bc.items, name)
+	if _, ok := bc.items[name]; ok {
+		return errors.New("delete key error")
+	}
+	return nil
+}
+
+// Incr increase cache counter in memory.
+// it supports int,int32,int64,uint,uint32,uint64.
+func (bc *MemoryCache) Incr(key string) error {
+	bc.RLock()
+	defer bc.RUnlock()
+	itm, ok := bc.items[key]
+	if !ok {
+		return errors.New("key not exist")
+	}
+	switch itm.val.(type) {
+	case int:
+		itm.val = itm.val.(int) + 1
+	case int32:
+		itm.val = itm.val.(int32) + 1
+	case int64:
+		itm.val = itm.val.(int64) + 1
+	case uint:
+		itm.val = itm.val.(uint) + 1
+	case uint32:
+		itm.val = itm.val.(uint32) + 1
+	case uint64:
+		itm.val = itm.val.(uint64) + 1
+	default:
+		return errors.New("item val is not (u)int (u)int32 (u)int64")
+	}
+	return nil
+}
+
+// Decr decrease counter in memory.
+func (bc *MemoryCache) Decr(key string) error {
+	bc.RLock()
+	defer bc.RUnlock()
+	itm, ok := bc.items[key]
+	if !ok {
+		return errors.New("key not exist")
+	}
+	switch itm.val.(type) {
+	case int:
+		itm.val = itm.val.(int) - 1
+	case int64:
+		itm.val = itm.val.(int64) - 1
+	case int32:
+		itm.val = itm.val.(int32) - 1
+	case uint:
+		if itm.val.(uint) > 0 {
+			itm.val = itm.val.(uint) - 1
+		} else {
+			return errors.New("item val is less than 0")
+		}
+	case uint32:
+		if itm.val.(uint32) > 0 {
+			itm.val = itm.val.(uint32) - 1
+		} else {
+			return errors.New("item val is less than 0")
+		}
+	case uint64:
+		if itm.val.(uint64) > 0 {
+			itm.val = itm.val.(uint64) - 1
+		} else {
+			return errors.New("item val is less than 0")
+		}
+	default:
+		return errors.New("item val is not int int64 int32")
+	}
+	return nil
+}
+
+// IsExist check cache exist in memory.
+func (bc *MemoryCache) IsExist(name string) bool {
+	bc.RLock()
+	defer bc.RUnlock()
+	if v, ok := bc.items[name]; ok {
+		return !v.isExpire()
+	}
+	return false
+}
+
+// ClearAll will delete all cache in memory.
+func (bc *MemoryCache) ClearAll() error {
+	bc.Lock()
+	defer bc.Unlock()
+	bc.items = make(map[string]*MemoryItem)
+	return nil
+}
+
+// StartAndGC start memory cache. it will check expiration in every clock time.
+func (bc *MemoryCache) StartAndGC(config string) error {
+	var cf map[string]int
+	json.Unmarshal([]byte(config), &cf)
+	if _, ok := cf["interval"]; !ok {
+		cf = make(map[string]int)
+		cf["interval"] = DefaultEvery
+	}
+	dur := time.Duration(cf["interval"]) * time.Second
+	bc.Every = cf["interval"]
+	bc.dur = dur
+	go bc.vacuum()
+	return nil
+}
+
+// check expiration.
+func (bc *MemoryCache) vacuum() {
+	bc.RLock()
+	every := bc.Every
+	bc.RUnlock()
+
+	if every < 1 {
+		return
+	}
+	for {
+		<-time.After(bc.dur)
+		if bc.items == nil {
+			return
+		}
+		if keys := bc.expiredKeys(); len(keys) != 0 {
+			bc.clearItems(keys)
+		}
+	}
+}
+
+// expiredKeys returns key list which are expired.
+func (bc *MemoryCache) expiredKeys() (keys []string) {
+	bc.RLock()
+	defer bc.RUnlock()
+	for key, itm := range bc.items {
+		if itm.isExpire() {
+			keys = append(keys, key)
+		}
+	}
+	return
+}
+
+// clearItems removes all the items which key in keys.
+func (bc *MemoryCache) clearItems(keys []string) {
+	bc.Lock()
+	defer bc.Unlock()
+	for _, key := range keys {
+		delete(bc.items, key)
+	}
+}
+
+func init() {
+	Register("memory", NewMemoryCache)
+}

utils/cache/redis.go

@@ -0,0 +1,403 @@
+package cache
+
+import (
+	"encoding/json"
+	"errors"
+	"log"
+	"strings"
+	"time"
+
+	redigo "github.com/gomodule/redigo/redis"
+)
+
+// configuration
+type Config struct {
+	Server   string
+	Password string
+	MaxIdle  int // Maximum number of idle connections in the pool.
+
+	// Maximum number of connections allocated by the pool at a given time.
+	// When zero, there is no limit on the number of connections in the pool.
+	MaxActive int
+
+	// Close connections after remaining idle for this duration. If the value
+	// is zero, then idle connections are not closed. Applications should set
+	// the timeout to a value less than the server's timeout.
+	IdleTimeout time.Duration
+
+	// If Wait is true and the pool is at the MaxActive limit, then Get() waits
+	// for a connection to be returned to the pool before returning.
+	Wait           bool
+	KeyPrefix      string // prefix to all keys; example is "dev environment name"
+	KeyDelimiter   string // delimiter to be used while appending keys; example is ":"
+	KeyPlaceholder string // placeholder to be parsed using given arguments to obtain a final key; example is "?"
+}
+
+var pool *redigo.Pool
+var conf *Config
+
+func NewRedis(addr string) {
+	if addr == "" {
+		panic("\nredis connect string cannot be empty\n")
+	}
+	pool = &redigo.Pool{
+		MaxIdle:     redisMaxIdleConn,
+		IdleTimeout: redisIdleTTL,
+		MaxActive:   redisMaxActive,
+		// MaxConnLifetime: redisDialTTL,
+		Wait: true,
+		Dial: func() (redigo.Conn, error) {
+			c, err := redigo.Dial("tcp", addr,
+				redigo.DialConnectTimeout(redisDialTTL),
+				redigo.DialReadTimeout(redisReadTTL),
+				redigo.DialWriteTimeout(redisWriteTTL),
+			)
+			if err != nil {
+				log.Println("Redis Dial failed: ", err)
+				return nil, err
+			}
+			return c, err
+		},
+		TestOnBorrow: func(c redigo.Conn, t time.Time) error {
+			_, err := c.Do("PING")
+			if err != nil {
+				log.Println("Unable to ping to redis server:", err)
+			}
+			return err
+		},
+	}
+	conn := pool.Get()
+	defer conn.Close()
+	if conn.Err() != nil {
+		println("\nredis connect " + addr + " error: " + conn.Err().Error())
+	} else {
+		println("\nredis connect " + addr + " success!\n")
+	}
+}
+
+func Do(cmd string, args ...interface{}) (reply interface{}, err error) {
+	conn := pool.Get()
+	defer conn.Close()
+	return conn.Do(cmd, args...)
+}
+
+func GetPool() *redigo.Pool {
+	return pool
+}
+
+func ParseKey(key string, vars []string) (string, error) {
+	arr := strings.Split(key, conf.KeyPlaceholder)
+	actualKey := ""
+	if len(arr) != len(vars)+1 {
+		return "", errors.New("redis/connection.go: Insufficient arguments to parse key")
+	} else {
+		for index, val := range arr {
+			if index == 0 {
+				actualKey = arr[index]
+			} else {
+				actualKey += vars[index-1] + val
+			}
+		}
+	}
+	return getPrefixedKey(actualKey), nil
+}
+
+func getPrefixedKey(key string) string {
+	return conf.KeyPrefix + conf.KeyDelimiter + key
+}
+func StripEnvKey(key string) string {
+	return strings.TrimLeft(key, conf.KeyPrefix+conf.KeyDelimiter)
+}
+func SplitKey(key string) []string {
+	return strings.Split(key, conf.KeyDelimiter)
+}
+func Expire(key string, ttl int) (interface{}, error) {
+	return Do("EXPIRE", key, ttl)
+}
+func Persist(key string) (interface{}, error) {
+	return Do("PERSIST", key)
+}
+
+func Del(key string) (interface{}, error) {
+	return Do("DEL", key)
+}
+func Set(key string, data interface{}) (interface{}, error) {
+	// set
+	return Do("SET", key, data)
+}
+func SetNX(key string, data interface{}) (interface{}, error) {
+	return Do("SETNX", key, data)
+}
+func SetEx(key string, data interface{}, ttl int) (interface{}, error) {
+	return Do("SETEX", key, ttl, data)
+}
+
+func SetJson(key string, data interface{}, ttl int) bool {
+	c, err := json.Marshal(data)
+	if err != nil {
+		return false
+	}
+	if ttl < 1 {
+		_, err = Set(key, c)
+	} else {
+		_, err = SetEx(key, c, ttl)
+	}
+	if err != nil {
+		return false
+	}
+	return true
+}
+
+func GetJson(key string, dst interface{}) error {
+	b, err := GetBytes(key)
+	if err != nil {
+		return err
+	}
+	if err = json.Unmarshal(b, dst); err != nil {
+		return err
+	}
+	return nil
+}
+
+func Get(key string) (interface{}, error) {
+	// get
+	return Do("GET", key)
+}
+func GetTTL(key string) (time.Duration, error) {
+	ttl, err := redigo.Int64(Do("TTL", key))
+	return time.Duration(ttl) * time.Second, err
+}
+func GetBytes(key string) ([]byte, error) {
+	return redigo.Bytes(Do("GET", key))
+}
+func GetString(key string) (string, error) {
+	return redigo.String(Do("GET", key))
+}
+func GetStringMap(key string) (map[string]string, error) {
+	return redigo.StringMap(Do("GET", key))
+}
+func GetInt(key string) (int, error) {
+	return redigo.Int(Do("GET", key))
+}
+func GetInt64(key string) (int64, error) {
+	return redigo.Int64(Do("GET", key))
+}
+func GetStringLength(key string) (int, error) {
+	return redigo.Int(Do("STRLEN", key))
+}
+func ZAdd(key string, score float64, data interface{}) (interface{}, error) {
+	return Do("ZADD", key, score, data)
+}
+func ZAddNX(key string, score float64, data interface{}) (interface{}, error) {
+	return Do("ZADD", key, "NX", score, data)
+}
+func ZRem(key string, data interface{}) (interface{}, error) {
+	return Do("ZREM", key, data)
+}
+func ZRange(key string, start int, end int, withScores bool) ([]interface{}, error) {
+	if withScores {
+		return redigo.Values(Do("ZRANGE", key, start, end, "WITHSCORES"))
+	}
+	return redigo.Values(Do("ZRANGE", key, start, end))
+}
+func ZRemRangeByScore(key string, start int64, end int64) ([]interface{}, error) {
+	return redigo.Values(Do("ZREMRANGEBYSCORE", key, start, end))
+}
+func ZCard(setName string) (int64, error) {
+	return redigo.Int64(Do("ZCARD", setName))
+}
+func ZScan(setName string) (int64, error) {
+	return redigo.Int64(Do("ZCARD", setName))
+}
+func SAdd(setName string, data interface{}) (interface{}, error) {
+	return Do("SADD", setName, data)
+}
+func SCard(setName string) (int64, error) {
+	return redigo.Int64(Do("SCARD", setName))
+}
+func SIsMember(setName string, data interface{}) (bool, error) {
+	return redigo.Bool(Do("SISMEMBER", setName, data))
+}
+func SMembers(setName string) ([]string, error) {
+	return redigo.Strings(Do("SMEMBERS", setName))
+}
+func SRem(setName string, data interface{}) (interface{}, error) {
+	return Do("SREM", setName, data)
+}
+func HSet(key string, HKey string, data interface{}) (interface{}, error) {
+	return Do("HSET", key, HKey, data)
+}
+
+func HGet(key string, HKey string) (interface{}, error) {
+	return Do("HGET", key, HKey)
+}
+
+func HMGet(key string, hashKeys ...string) ([]interface{}, error) {
+	ret, err := Do("HMGET", key, hashKeys)
+	if err != nil {
+		return nil, err
+	}
+	reta, ok := ret.([]interface{})
+	if !ok {
+		return nil, errors.New("result not an array")
+	}
+	return reta, nil
+}
+
+func HMSet(key string, hashKeys []string, vals []interface{}) (interface{}, error) {
+	if len(hashKeys) == 0 || len(hashKeys) != len(vals) {
+		var ret interface{}
+		return ret, errors.New("bad length")
+	}
+	input := []interface{}{key}
+	for i, v := range hashKeys {
+		input = append(input, v, vals[i])
+	}
+	return Do("HMSET", input...)
+}
+
+func HGetString(key string, HKey string) (string, error) {
+	return redigo.String(Do("HGET", key, HKey))
+}
+func HGetFloat(key string, HKey string) (float64, error) {
+	f, err := redigo.Float64(Do("HGET", key, HKey))
+	return f, err
+}
+func HGetInt(key string, HKey string) (int, error) {
+	return redigo.Int(Do("HGET", key, HKey))
+}
+func HGetInt64(key string, HKey string) (int64, error) {
+	return redigo.Int64(Do("HGET", key, HKey))
+}
+func HGetBool(key string, HKey string) (bool, error) {
+	return redigo.Bool(Do("HGET", key, HKey))
+}
+func HDel(key string, HKey string) (interface{}, error) {
+	return Do("HDEL", key, HKey)
+}
+
+func HGetAll(key string) (map[string]interface{}, error) {
+	vals, err := redigo.Values(Do("HGETALL", key))
+	if err != nil {
+		return nil, err
+	}
+	num := len(vals) / 2
+	result := make(map[string]interface{}, num)
+	for i := 0; i < num; i++ {
+		key, _ := redigo.String(vals[2*i], nil)
+		result[key] = vals[2*i+1]
+	}
+	return result, nil
+}
+
+func FlushAll() bool {
+	res, _ := redigo.String(Do("FLUSHALL"))
+	if res == "" {
+		return false
+	}
+	return true
+}
+
+// NOTE: Use this in production environment with extreme care.
+// Read more here:https://redigo.io/commands/keys
+func Keys(pattern string) ([]string, error) {
+	return redigo.Strings(Do("KEYS", pattern))
+}
+
+func HKeys(key string) ([]string, error) {
+	return redigo.Strings(Do("HKEYS", key))
+}
+
+func Exists(key string) bool {
+	count, err := redigo.Int(Do("EXISTS", key))
+	if count == 0 || err != nil {
+		return false
+	}
+	return true
+}
+
+func Incr(key string) (int64, error) {
+	return redigo.Int64(Do("INCR", key))
+}
+
+func Decr(key string) (int64, error) {
+	return redigo.Int64(Do("DECR", key))
+}
+
+func IncrBy(key string, incBy int64) (int64, error) {
+	return redigo.Int64(Do("INCRBY", key, incBy))
+}
+
+func DecrBy(key string, decrBy int64) (int64, error) {
+	return redigo.Int64(Do("DECRBY", key))
+}
+
+func IncrByFloat(key string, incBy float64) (float64, error) {
+	return redigo.Float64(Do("INCRBYFLOAT", key, incBy))
+}
+
+func DecrByFloat(key string, decrBy float64) (float64, error) {
+	return redigo.Float64(Do("DECRBYFLOAT", key, decrBy))
+}
+
+// use for message queue
+func LPush(key string, data interface{}) (interface{}, error) {
+	// set
+	return Do("LPUSH", key, data)
+}
+
+func LPop(key string) (interface{}, error) {
+	return Do("LPOP", key)
+}
+
+func LPopString(key string) (string, error) {
+	return redigo.String(Do("LPOP", key))
+}
+func LPopFloat(key string) (float64, error) {
+	f, err := redigo.Float64(Do("LPOP", key))
+	return f, err
+}
+func LPopInt(key string) (int, error) {
+	return redigo.Int(Do("LPOP", key))
+}
+func LPopInt64(key string) (int64, error) {
+	return redigo.Int64(Do("LPOP", key))
+}
+
+func RPush(key string, data interface{}) (interface{}, error) {
+	// set
+	return Do("RPUSH", key, data)
+}
+
+func RPop(key string) (interface{}, error) {
+	return Do("RPOP", key)
+}
+
+func RPopString(key string) (string, error) {
+	return redigo.String(Do("RPOP", key))
+}
+func RPopFloat(key string) (float64, error) {
+	f, err := redigo.Float64(Do("RPOP", key))
+	return f, err
+}
+func RPopInt(key string) (int, error) {
+	return redigo.Int(Do("RPOP", key))
+}
+func RPopInt64(key string) (int64, error) {
+	return redigo.Int64(Do("RPOP", key))
+}
+
+func Scan(cursor int64, pattern string, count int64) (int64, []string, error) {
+	var items []string
+	var newCursor int64
+
+	values, err := redigo.Values(Do("SCAN", cursor, "MATCH", pattern, "COUNT", count))
+	if err != nil {
+		return 0, nil, err
+	}
+	values, err = redigo.Scan(values, &newCursor, &items)
+	if err != nil {
+		return 0, nil, err
+	}
+	return newCursor, items, nil
+}

utils/cache/redis_cluster.go

@@ -0,0 +1,622 @@
+package cache
+
+import (
+	"strconv"
+	"time"
+
+	"github.com/go-redis/redis"
+)
+
+var pools *redis.ClusterClient
+
+func NewRedisCluster(addrs []string) error {
+	opt := &redis.ClusterOptions{
+		Addrs:        addrs,
+		PoolSize:     redisPoolSize,
+		PoolTimeout:  redisPoolTTL,
+		IdleTimeout:  redisIdleTTL,
+		DialTimeout:  redisDialTTL,
+		ReadTimeout:  redisReadTTL,
+		WriteTimeout: redisWriteTTL,
+	}
+	pools = redis.NewClusterClient(opt)
+	if err := pools.Ping().Err(); err != nil {
+		return err
+	}
+	return nil
+}
+
+func RCGet(key string) (interface{}, error) {
+	res, err := pools.Get(key).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return []byte(res), nil
+}
+func RCSet(key string, value interface{}) error {
+	err := pools.Set(key, value, 0).Err()
+	return convertError(err)
+}
+func RCGetSet(key string, value interface{}) (interface{}, error) {
+	res, err := pools.GetSet(key, value).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return []byte(res), nil
+}
+func RCSetNx(key string, value interface{}) (int64, error) {
+	res, err := pools.SetNX(key, value, 0).Result()
+	if err != nil {
+		return 0, convertError(err)
+	}
+	if res {
+		return 1, nil
+	}
+	return 0, nil
+}
+func RCSetEx(key string, value interface{}, timeout int64) error {
+	_, err := pools.Set(key, value, time.Duration(timeout)*time.Second).Result()
+	if err != nil {
+		return convertError(err)
+	}
+	return nil
+}
+
+// nil表示成功，ErrNil表示数据库内已经存在这个key，其他表示数据库发生错误
+func RCSetNxEx(key string, value interface{}, timeout int64) error {
+	res, err := pools.SetNX(key, value, time.Duration(timeout)*time.Second).Result()
+	if err != nil {
+		return convertError(err)
+	}
+	if res {
+		return nil
+	}
+	return ErrNil
+}
+func RCMGet(keys ...string) ([]interface{}, error) {
+	res, err := pools.MGet(keys...).Result()
+	return res, convertError(err)
+}
+
+// 为确保多个key映射到同一个slot，每个key最好加上hash tag，如:{test}
+func RCMSet(kvs map[string]interface{}) error {
+	pairs := make([]string, 0, len(kvs)*2)
+	for k, v := range kvs {
+		val, err := String(v, nil)
+		if err != nil {
+			return err
+		}
+		pairs = append(pairs, k, val)
+	}
+	return convertError(pools.MSet(pairs).Err())
+}
+
+// 为确保多个key映射到同一个slot，每个key最好加上hash tag，如:{test}
+func RCMSetNX(kvs map[string]interface{}) (bool, error) {
+	pairs := make([]string, 0, len(kvs)*2)
+	for k, v := range kvs {
+		val, err := String(v, nil)
+		if err != nil {
+			return false, err
+		}
+		pairs = append(pairs, k, val)
+	}
+	res, err := pools.MSetNX(pairs).Result()
+	return res, convertError(err)
+}
+func RCExpireAt(key string, timestamp int64) (int64, error) {
+	res, err := pools.ExpireAt(key, time.Unix(timestamp, 0)).Result()
+	if err != nil {
+		return 0, convertError(err)
+	}
+	if res {
+		return 1, nil
+	}
+	return 0, nil
+}
+func RCDel(keys ...string) (int64, error) {
+	args := make([]interface{}, 0, len(keys))
+	for _, key := range keys {
+		args = append(args, key)
+	}
+	res, err := pools.Del(keys...).Result()
+	if err != nil {
+		return res, convertError(err)
+	}
+	return res, nil
+}
+func RCIncr(key string) (int64, error) {
+	res, err := pools.Incr(key).Result()
+	if err != nil {
+		return res, convertError(err)
+	}
+	return res, nil
+}
+func RCIncrBy(key string, delta int64) (int64, error) {
+	res, err := pools.IncrBy(key, delta).Result()
+	if err != nil {
+		return res, convertError(err)
+	}
+	return res, nil
+}
+func RCExpire(key string, duration int64) (int64, error) {
+	res, err := pools.Expire(key, time.Duration(duration)*time.Second).Result()
+	if err != nil {
+		return 0, convertError(err)
+	}
+	if res {
+		return 1, nil
+	}
+	return 0, nil
+}
+func RCExists(key string) (bool, error) {
+	res, err := pools.Exists(key).Result()
+	if err != nil {
+		return false, convertError(err)
+	}
+	if res > 0 {
+		return true, nil
+	}
+	return false, nil
+}
+func RCHGet(key string, field string) (interface{}, error) {
+	res, err := pools.HGet(key, field).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return []byte(res), nil
+}
+func RCHLen(key string) (int64, error) {
+	res, err := pools.HLen(key).Result()
+	if err != nil {
+		return res, convertError(err)
+	}
+	return res, nil
+}
+func RCHSet(key string, field string, val interface{}) error {
+	value, err := String(val, nil)
+	if err != nil && err != ErrNil {
+		return err
+	}
+	_, err = pools.HSet(key, field, value).Result()
+	if err != nil {
+		return convertError(err)
+	}
+	return nil
+}
+func RCHDel(key string, fields ...string) (int64, error) {
+	args := make([]interface{}, 0, len(fields)+1)
+	args = append(args, key)
+	for _, field := range fields {
+		args = append(args, field)
+	}
+	res, err := pools.HDel(key, fields...).Result()
+	if err != nil {
+		return 0, convertError(err)
+	}
+	return res, nil
+}
+
+func RCHMGet(key string, fields ...string) (interface{}, error) {
+	args := make([]interface{}, 0, len(fields)+1)
+	args = append(args, key)
+	for _, field := range fields {
+		args = append(args, field)
+	}
+	if len(fields) == 0 {
+		return nil, ErrNil
+	}
+	res, err := pools.HMGet(key, fields...).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return res, nil
+}
+func RCHMSet(key string, kvs ...interface{}) error {
+	if len(kvs) == 0 {
+		return nil
+	}
+	if len(kvs)%2 != 0 {
+		return ErrWrongArgsNum
+	}
+	var err error
+	v := map[string]interface{}{} // todo change
+	v["field"], err = String(kvs[0], nil)
+	if err != nil && err != ErrNil {
+		return err
+	}
+	v["value"], err = String(kvs[1], nil)
+	if err != nil && err != ErrNil {
+		return err
+	}
+	pairs := make([]string, 0, len(kvs)-2)
+	if len(kvs) > 2 {
+		for _, kv := range kvs[2:] {
+			kvString, err := String(kv, nil)
+			if err != nil && err != ErrNil {
+				return err
+			}
+			pairs = append(pairs, kvString)
+		}
+	}
+	v["paris"] = pairs
+	_, err = pools.HMSet(key, v).Result()
+	if err != nil {
+		return convertError(err)
+	}
+	return nil
+}
+
+func RCHKeys(key string) ([]string, error) {
+	res, err := pools.HKeys(key).Result()
+	if err != nil {
+		return res, convertError(err)
+	}
+	return res, nil
+}
+func RCHVals(key string) ([]interface{}, error) {
+	res, err := pools.HVals(key).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	rs := make([]interface{}, 0, len(res))
+	for _, res := range res {
+		rs = append(rs, res)
+	}
+	return rs, nil
+}
+func RCHGetAll(key string) (map[string]string, error) {
+	vals, err := pools.HGetAll(key).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return vals, nil
+}
+func RCHIncrBy(key, field string, delta int64) (int64, error) {
+	res, err := pools.HIncrBy(key, field, delta).Result()
+	if err != nil {
+		return res, convertError(err)
+	}
+	return res, nil
+}
+func RCZAdd(key string, kvs ...interface{}) (int64, error) {
+	args := make([]interface{}, 0, len(kvs)+1)
+	args = append(args, key)
+	args = append(args, kvs...)
+	if len(kvs) == 0 {
+		return 0, nil
+	}
+	if len(kvs)%2 != 0 {
+		return 0, ErrWrongArgsNum
+	}
+	zs := make([]redis.Z, len(kvs)/2)
+	for i := 0; i < len(kvs); i += 2 {
+		idx := i / 2
+		score, err := Float64(kvs[i], nil)
+		if err != nil && err != ErrNil {
+			return 0, err
+		}
+		zs[idx].Score = score
+		zs[idx].Member = kvs[i+1]
+	}
+	res, err := pools.ZAdd(key, zs...).Result()
+	if err != nil {
+		return res, convertError(err)
+	}
+	return res, nil
+}
+func RCZRem(key string, members ...string) (int64, error) {
+	args := make([]interface{}, 0, len(members))
+	args = append(args, key)
+	for _, member := range members {
+		args = append(args, member)
+	}
+	res, err := pools.ZRem(key, members).Result()
+	if err != nil {
+		return res, convertError(err)
+	}
+	return res, err
+}
+
+func RCZRange(key string, min, max int64, withScores bool) (interface{}, error) {
+	res := make([]interface{}, 0)
+	if withScores {
+		zs, err := pools.ZRangeWithScores(key, min, max).Result()
+		if err != nil {
+			return nil, convertError(err)
+		}
+		for _, z := range zs {
+			res = append(res, z.Member, strconv.FormatFloat(z.Score, 'f', -1, 64))
+		}
+	} else {
+		ms, err := pools.ZRange(key, min, max).Result()
+		if err != nil {
+			return nil, convertError(err)
+		}
+		for _, m := range ms {
+			res = append(res, m)
+		}
+	}
+	return res, nil
+}
+func RCZRangeByScoreWithScore(key string, min, max int64) (map[string]int64, error) {
+	opt := new(redis.ZRangeBy)
+	opt.Min = strconv.FormatInt(int64(min), 10)
+	opt.Max = strconv.FormatInt(int64(max), 10)
+	opt.Count = -1
+	opt.Offset = 0
+	vals, err := pools.ZRangeByScoreWithScores(key, *opt).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	res := make(map[string]int64, len(vals))
+	for _, val := range vals {
+		key, err := String(val.Member, nil)
+		if err != nil && err != ErrNil {
+			return nil, err
+		}
+		res[key] = int64(val.Score)
+	}
+	return res, nil
+}
+func RCLRange(key string, start, stop int64) (interface{}, error) {
+	res, err := pools.LRange(key, start, stop).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return res, nil
+}
+func RCLSet(key string, index int, value interface{}) error {
+	err := pools.LSet(key, int64(index), value).Err()
+	return convertError(err)
+}
+func RCLLen(key string) (int64, error) {
+	res, err := pools.LLen(key).Result()
+	if err != nil {
+		return res, convertError(err)
+	}
+	return res, nil
+}
+func RCLRem(key string, count int, value interface{}) (int, error) {
+	val, _ := value.(string)
+	res, err := pools.LRem(key, int64(count), val).Result()
+	if err != nil {
+		return int(res), convertError(err)
+	}
+	return int(res), nil
+}
+func RCTTl(key string) (int64, error) {
+	duration, err := pools.TTL(key).Result()
+	if err != nil {
+		return int64(duration.Seconds()), convertError(err)
+	}
+	return int64(duration.Seconds()), nil
+}
+func RCLPop(key string) (interface{}, error) {
+	res, err := pools.LPop(key).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return res, nil
+}
+func RCRPop(key string) (interface{}, error) {
+	res, err := pools.RPop(key).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return res, nil
+}
+func RCBLPop(key string, timeout int) (interface{}, error) {
+	res, err := pools.BLPop(time.Duration(timeout)*time.Second, key).Result()
+	if err != nil {
+		// 兼容redis 2.x
+		if err == redis.Nil {
+			return nil, ErrNil
+		}
+		return nil, err
+	}
+	return res[1], nil
+}
+func RCBRPop(key string, timeout int) (interface{}, error) {
+	res, err := pools.BRPop(time.Duration(timeout)*time.Second, key).Result()
+	if err != nil {
+		// 兼容redis 2.x
+		if err == redis.Nil {
+			return nil, ErrNil
+		}
+		return nil, convertError(err)
+	}
+	return res[1], nil
+}
+func RCLPush(key string, value ...interface{}) error {
+	args := make([]interface{}, 0, len(value)+1)
+	args = append(args, key)
+	args = append(args, value...)
+	vals := make([]string, 0, len(value))
+	for _, v := range value {
+		val, err := String(v, nil)
+		if err != nil && err != ErrNil {
+			return err
+		}
+		vals = append(vals, val)
+	}
+	_, err := pools.LPush(key, vals).Result() // todo ...
+	if err != nil {
+		return convertError(err)
+	}
+	return nil
+}
+func RCRPush(key string, value ...interface{}) error {
+	args := make([]interface{}, 0, len(value)+1)
+	args = append(args, key)
+	args = append(args, value...)
+	vals := make([]string, 0, len(value))
+	for _, v := range value {
+		val, err := String(v, nil)
+		if err != nil && err != ErrNil {
+			if err == ErrNil {
+				continue
+			}
+			return err
+		}
+		if val == "" {
+			continue
+		}
+		vals = append(vals, val)
+	}
+	_, err := pools.RPush(key, vals).Result() // todo ...
+	if err != nil {
+		return convertError(err)
+	}
+	return nil
+}
+
+// 为确保srcKey跟destKey映射到同一个slot，srcKey和destKey需要加上hash tag，如:{test}
+func RCBRPopLPush(srcKey string, destKey string, timeout int) (interface{}, error) {
+	res, err := pools.BRPopLPush(srcKey, destKey, time.Duration(timeout)*time.Second).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return res, nil
+}
+
+// 为确保srcKey跟destKey映射到同一个slot，srcKey和destKey需要加上hash tag，如:{test}
+func RCRPopLPush(srcKey string, destKey string) (interface{}, error) {
+	res, err := pools.RPopLPush(srcKey, destKey).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return res, nil
+}
+func RCSAdd(key string, members ...interface{}) (int64, error) {
+	args := make([]interface{}, 0, len(members)+1)
+	args = append(args, key)
+	args = append(args, members...)
+	ms := make([]string, 0, len(members))
+	for _, member := range members {
+		m, err := String(member, nil)
+		if err != nil && err != ErrNil {
+			return 0, err
+		}
+		ms = append(ms, m)
+	}
+	res, err := pools.SAdd(key, ms).Result() // todo ...
+	if err != nil {
+		return res, convertError(err)
+	}
+	return res, nil
+}
+func RCSPop(key string) ([]byte, error) {
+	res, err := pools.SPop(key).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return []byte(res), nil
+}
+func RCSIsMember(key string, member interface{}) (bool, error) {
+	m, _ := member.(string)
+	res, err := pools.SIsMember(key, m).Result()
+	if err != nil {
+		return res, convertError(err)
+	}
+	return res, nil
+}
+func RCSRem(key string, members ...interface{}) (int64, error) {
+	args := make([]interface{}, 0, len(members)+1)
+	args = append(args, key)
+	args = append(args, members...)
+	ms := make([]string, 0, len(members))
+	for _, member := range members {
+		m, err := String(member, nil)
+		if err != nil && err != ErrNil {
+			return 0, err
+		}
+		ms = append(ms, m)
+	}
+	res, err := pools.SRem(key, ms).Result() // todo ...
+	if err != nil {
+		return res, convertError(err)
+	}
+	return res, nil
+}
+func RCSMembers(key string) ([]string, error) {
+	res, err := pools.SMembers(key).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return res, nil
+}
+func RCScriptLoad(luaScript string) (interface{}, error) {
+	res, err := pools.ScriptLoad(luaScript).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return res, nil
+}
+func RCEvalSha(sha1 string, numberKeys int, keysArgs ...interface{}) (interface{}, error) {
+	vals := make([]interface{}, 0, len(keysArgs)+2)
+	vals = append(vals, sha1, numberKeys)
+	vals = append(vals, keysArgs...)
+	keys := make([]string, 0, numberKeys)
+	args := make([]string, 0, len(keysArgs)-numberKeys)
+	for i, value := range keysArgs {
+		val, err := String(value, nil)
+		if err != nil && err != ErrNil {
+			return nil, err
+		}
+		if i < numberKeys {
+			keys = append(keys, val)
+		} else {
+			args = append(args, val)
+		}
+	}
+	res, err := pools.EvalSha(sha1, keys, args).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return res, nil
+}
+func RCEval(luaScript string, numberKeys int, keysArgs ...interface{}) (interface{}, error) {
+	vals := make([]interface{}, 0, len(keysArgs)+2)
+	vals = append(vals, luaScript, numberKeys)
+	vals = append(vals, keysArgs...)
+	keys := make([]string, 0, numberKeys)
+	args := make([]string, 0, len(keysArgs)-numberKeys)
+	for i, value := range keysArgs {
+		val, err := String(value, nil)
+		if err != nil && err != ErrNil {
+			return nil, err
+		}
+		if i < numberKeys {
+			keys = append(keys, val)
+		} else {
+			args = append(args, val)
+		}
+	}
+	res, err := pools.Eval(luaScript, keys, args).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return res, nil
+}
+func RCGetBit(key string, offset int64) (int64, error) {
+	res, err := pools.GetBit(key, offset).Result()
+	if err != nil {
+		return res, convertError(err)
+	}
+	return res, nil
+}
+func RCSetBit(key string, offset uint32, value int) (int, error) {
+	res, err := pools.SetBit(key, int64(offset), value).Result()
+	return int(res), convertError(err)
+}
+func RCGetClient() *redis.ClusterClient {
+	return pools
+}
+func convertError(err error) error {
+	if err == redis.Nil {
+		// 为了兼容redis 2.x,这里不返回 ErrNil，ErrNil在调用redis_cluster_reply函数时才返回
+		return nil
+	}
+	return err
+}

utils/cache/redis_pool.go

@@ -0,0 +1,324 @@
+package cache
+
+import (
+	"errors"
+	"log"
+	"strings"
+	"time"
+
+	redigo "github.com/gomodule/redigo/redis"
+)
+
+type RedisPool struct {
+	*redigo.Pool
+}
+
+func NewRedisPool(cfg *Config) *RedisPool {
+	return &RedisPool{&redigo.Pool{
+		MaxIdle:     cfg.MaxIdle,
+		IdleTimeout: cfg.IdleTimeout,
+		MaxActive:   cfg.MaxActive,
+		Wait:        cfg.Wait,
+		Dial: func() (redigo.Conn, error) {
+			c, err := redigo.Dial("tcp", cfg.Server)
+			if err != nil {
+				log.Println("Redis Dial failed: ", err)
+				return nil, err
+			}
+			if cfg.Password != "" {
+				if _, err := c.Do("AUTH", cfg.Password); err != nil {
+					c.Close()
+					log.Println("Redis AUTH failed: ", err)
+					return nil, err
+				}
+			}
+			return c, err
+		},
+		TestOnBorrow: func(c redigo.Conn, t time.Time) error {
+			_, err := c.Do("PING")
+			if err != nil {
+				log.Println("Unable to ping to redis server:", err)
+			}
+			return err
+		},
+	}}
+}
+
+func (p *RedisPool) Do(cmd string, args ...interface{}) (reply interface{}, err error) {
+	conn := pool.Get()
+	defer conn.Close()
+	return conn.Do(cmd, args...)
+}
+
+func (p *RedisPool) GetPool() *redigo.Pool {
+	return pool
+}
+
+func (p *RedisPool) ParseKey(key string, vars []string) (string, error) {
+	arr := strings.Split(key, conf.KeyPlaceholder)
+	actualKey := ""
+	if len(arr) != len(vars)+1 {
+		return "", errors.New("redis/connection.go: Insufficient arguments to parse key")
+	} else {
+		for index, val := range arr {
+			if index == 0 {
+				actualKey = arr[index]
+			} else {
+				actualKey += vars[index-1] + val
+			}
+		}
+	}
+	return getPrefixedKey(actualKey), nil
+}
+
+func (p *RedisPool) getPrefixedKey(key string) string {
+	return conf.KeyPrefix + conf.KeyDelimiter + key
+}
+func (p *RedisPool) StripEnvKey(key string) string {
+	return strings.TrimLeft(key, conf.KeyPrefix+conf.KeyDelimiter)
+}
+func (p *RedisPool) SplitKey(key string) []string {
+	return strings.Split(key, conf.KeyDelimiter)
+}
+func (p *RedisPool) Expire(key string, ttl int) (interface{}, error) {
+	return Do("EXPIRE", key, ttl)
+}
+func (p *RedisPool) Persist(key string) (interface{}, error) {
+	return Do("PERSIST", key)
+}
+
+func (p *RedisPool) Del(key string) (interface{}, error) {
+	return Do("DEL", key)
+}
+func (p *RedisPool) Set(key string, data interface{}) (interface{}, error) {
+	// set
+	return Do("SET", key, data)
+}
+func (p *RedisPool) SetNX(key string, data interface{}) (interface{}, error) {
+	return Do("SETNX", key, data)
+}
+func (p *RedisPool) SetEx(key string, data interface{}, ttl int) (interface{}, error) {
+	return Do("SETEX", key, ttl, data)
+}
+func (p *RedisPool) Get(key string) (interface{}, error) {
+	// get
+	return Do("GET", key)
+}
+func (p *RedisPool) GetStringMap(key string) (map[string]string, error) {
+	// get
+	return redigo.StringMap(Do("GET", key))
+}
+
+func (p *RedisPool) GetTTL(key string) (time.Duration, error) {
+	ttl, err := redigo.Int64(Do("TTL", key))
+	return time.Duration(ttl) * time.Second, err
+}
+func (p *RedisPool) GetBytes(key string) ([]byte, error) {
+	return redigo.Bytes(Do("GET", key))
+}
+func (p *RedisPool) GetString(key string) (string, error) {
+	return redigo.String(Do("GET", key))
+}
+func (p *RedisPool) GetInt(key string) (int, error) {
+	return redigo.Int(Do("GET", key))
+}
+func (p *RedisPool) GetStringLength(key string) (int, error) {
+	return redigo.Int(Do("STRLEN", key))
+}
+func (p *RedisPool) ZAdd(key string, score float64, data interface{}) (interface{}, error) {
+	return Do("ZADD", key, score, data)
+}
+func (p *RedisPool) ZRem(key string, data interface{}) (interface{}, error) {
+	return Do("ZREM", key, data)
+}
+func (p *RedisPool) ZRange(key string, start int, end int, withScores bool) ([]interface{}, error) {
+	if withScores {
+		return redigo.Values(Do("ZRANGE", key, start, end, "WITHSCORES"))
+	}
+	return redigo.Values(Do("ZRANGE", key, start, end))
+}
+func (p *RedisPool) SAdd(setName string, data interface{}) (interface{}, error) {
+	return Do("SADD", setName, data)
+}
+func (p *RedisPool) SCard(setName string) (int64, error) {
+	return redigo.Int64(Do("SCARD", setName))
+}
+func (p *RedisPool) SIsMember(setName string, data interface{}) (bool, error) {
+	return redigo.Bool(Do("SISMEMBER", setName, data))
+}
+func (p *RedisPool) SMembers(setName string) ([]string, error) {
+	return redigo.Strings(Do("SMEMBERS", setName))
+}
+func (p *RedisPool) SRem(setName string, data interface{}) (interface{}, error) {
+	return Do("SREM", setName, data)
+}
+func (p *RedisPool) HSet(key string, HKey string, data interface{}) (interface{}, error) {
+	return Do("HSET", key, HKey, data)
+}
+
+func (p *RedisPool) HGet(key string, HKey string) (interface{}, error) {
+	return Do("HGET", key, HKey)
+}
+
+func (p *RedisPool) HMGet(key string, hashKeys ...string) ([]interface{}, error) {
+	ret, err := Do("HMGET", key, hashKeys)
+	if err != nil {
+		return nil, err
+	}
+	reta, ok := ret.([]interface{})
+	if !ok {
+		return nil, errors.New("result not an array")
+	}
+	return reta, nil
+}
+
+func (p *RedisPool) HMSet(key string, hashKeys []string, vals []interface{}) (interface{}, error) {
+	if len(hashKeys) == 0 || len(hashKeys) != len(vals) {
+		var ret interface{}
+		return ret, errors.New("bad length")
+	}
+	input := []interface{}{key}
+	for i, v := range hashKeys {
+		input = append(input, v, vals[i])
+	}
+	return Do("HMSET", input...)
+}
+
+func (p *RedisPool) HGetString(key string, HKey string) (string, error) {
+	return redigo.String(Do("HGET", key, HKey))
+}
+func (p *RedisPool) HGetFloat(key string, HKey string) (float64, error) {
+	f, err := redigo.Float64(Do("HGET", key, HKey))
+	return float64(f), err
+}
+func (p *RedisPool) HGetInt(key string, HKey string) (int, error) {
+	return redigo.Int(Do("HGET", key, HKey))
+}
+func (p *RedisPool) HGetInt64(key string, HKey string) (int64, error) {
+	return redigo.Int64(Do("HGET", key, HKey))
+}
+func (p *RedisPool) HGetBool(key string, HKey string) (bool, error) {
+	return redigo.Bool(Do("HGET", key, HKey))
+}
+func (p *RedisPool) HDel(key string, HKey string) (interface{}, error) {
+	return Do("HDEL", key, HKey)
+}
+func (p *RedisPool) HGetAll(key string) (map[string]interface{}, error) {
+	vals, err := redigo.Values(Do("HGETALL", key))
+	if err != nil {
+		return nil, err
+	}
+	num := len(vals) / 2
+	result := make(map[string]interface{}, num)
+	for i := 0; i < num; i++ {
+		key, _ := redigo.String(vals[2*i], nil)
+		result[key] = vals[2*i+1]
+	}
+	return result, nil
+}
+
+// NOTE: Use this in production environment with extreme care.
+// Read more here:https://redigo.io/commands/keys
+func (p *RedisPool) Keys(pattern string) ([]string, error) {
+	return redigo.Strings(Do("KEYS", pattern))
+}
+
+func (p *RedisPool) HKeys(key string) ([]string, error) {
+	return redigo.Strings(Do("HKEYS", key))
+}
+
+func (p *RedisPool) Exists(key string) (bool, error) {
+	count, err := redigo.Int(Do("EXISTS", key))
+	if count == 0 {
+		return false, err
+	} else {
+		return true, err
+	}
+}
+
+func (p *RedisPool) Incr(key string) (int64, error) {
+	return redigo.Int64(Do("INCR", key))
+}
+
+func (p *RedisPool) Decr(key string) (int64, error) {
+	return redigo.Int64(Do("DECR", key))
+}
+
+func (p *RedisPool) IncrBy(key string, incBy int64) (int64, error) {
+	return redigo.Int64(Do("INCRBY", key, incBy))
+}
+
+func (p *RedisPool) DecrBy(key string, decrBy int64) (int64, error) {
+	return redigo.Int64(Do("DECRBY", key))
+}
+
+func (p *RedisPool) IncrByFloat(key string, incBy float64) (float64, error) {
+	return redigo.Float64(Do("INCRBYFLOAT", key, incBy))
+}
+
+func (p *RedisPool) DecrByFloat(key string, decrBy float64) (float64, error) {
+	return redigo.Float64(Do("DECRBYFLOAT", key, decrBy))
+}
+
+// use for message queue
+func (p *RedisPool) LPush(key string, data interface{}) (interface{}, error) {
+	// set
+	return Do("LPUSH", key, data)
+}
+
+func (p *RedisPool) LPop(key string) (interface{}, error) {
+	return Do("LPOP", key)
+}
+
+func (p *RedisPool) LPopString(key string) (string, error) {
+	return redigo.String(Do("LPOP", key))
+}
+func (p *RedisPool) LPopFloat(key string) (float64, error) {
+	f, err := redigo.Float64(Do("LPOP", key))
+	return float64(f), err
+}
+func (p *RedisPool) LPopInt(key string) (int, error) {
+	return redigo.Int(Do("LPOP", key))
+}
+func (p *RedisPool) LPopInt64(key string) (int64, error) {
+	return redigo.Int64(Do("LPOP", key))
+}
+
+func (p *RedisPool) RPush(key string, data interface{}) (interface{}, error) {
+	// set
+	return Do("RPUSH", key, data)
+}
+
+func (p *RedisPool) RPop(key string) (interface{}, error) {
+	return Do("RPOP", key)
+}
+
+func (p *RedisPool) RPopString(key string) (string, error) {
+	return redigo.String(Do("RPOP", key))
+}
+func (p *RedisPool) RPopFloat(key string) (float64, error) {
+	f, err := redigo.Float64(Do("RPOP", key))
+	return float64(f), err
+}
+func (p *RedisPool) RPopInt(key string) (int, error) {
+	return redigo.Int(Do("RPOP", key))
+}
+func (p *RedisPool) RPopInt64(key string) (int64, error) {
+	return redigo.Int64(Do("RPOP", key))
+}
+
+func (p *RedisPool) Scan(cursor int64, pattern string, count int64) (int64, []string, error) {
+	var items []string
+	var newCursor int64
+
+	values, err := redigo.Values(Do("SCAN", cursor, "MATCH", pattern, "COUNT", count))
+	if err != nil {
+		return 0, nil, err
+	}
+	values, err = redigo.Scan(values, &newCursor, &items)
+	if err != nil {
+		return 0, nil, err
+	}
+
+	return newCursor, items, nil
+}

utils/cache/redis_pool_cluster.go

@@ -0,0 +1,617 @@
+package cache
+
+import (
+	"strconv"
+	"time"
+
+	"github.com/go-redis/redis"
+)
+
+type RedisClusterPool struct {
+	client *redis.ClusterClient
+}
+
+func NewRedisClusterPool(addrs []string) (*RedisClusterPool, error) {
+	opt := &redis.ClusterOptions{
+		Addrs:        addrs,
+		PoolSize:     512,
+		PoolTimeout:  10 * time.Second,
+		IdleTimeout:  10 * time.Second,
+		DialTimeout:  10 * time.Second,
+		ReadTimeout:  3 * time.Second,
+		WriteTimeout: 3 * time.Second,
+	}
+	c := redis.NewClusterClient(opt)
+	if err := c.Ping().Err(); err != nil {
+		return nil, err
+	}
+	return &RedisClusterPool{client: c}, nil
+}
+
+func (p *RedisClusterPool) Get(key string) (interface{}, error) {
+	res, err := p.client.Get(key).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return []byte(res), nil
+}
+func (p *RedisClusterPool) Set(key string, value interface{}) error {
+	err := p.client.Set(key, value, 0).Err()
+	return convertError(err)
+}
+func (p *RedisClusterPool) GetSet(key string, value interface{}) (interface{}, error) {
+	res, err := p.client.GetSet(key, value).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return []byte(res), nil
+}
+func (p *RedisClusterPool) SetNx(key string, value interface{}) (int64, error) {
+	res, err := p.client.SetNX(key, value, 0).Result()
+	if err != nil {
+		return 0, convertError(err)
+	}
+	if res {
+		return 1, nil
+	}
+	return 0, nil
+}
+func (p *RedisClusterPool) SetEx(key string, value interface{}, timeout int64) error {
+	_, err := p.client.Set(key, value, time.Duration(timeout)*time.Second).Result()
+	if err != nil {
+		return convertError(err)
+	}
+	return nil
+}
+
+// nil表示成功，ErrNil表示数据库内已经存在这个key，其他表示数据库发生错误
+func (p *RedisClusterPool) SetNxEx(key string, value interface{}, timeout int64) error {
+	res, err := p.client.SetNX(key, value, time.Duration(timeout)*time.Second).Result()
+	if err != nil {
+		return convertError(err)
+	}
+	if res {
+		return nil
+	}
+	return ErrNil
+}
+func (p *RedisClusterPool) MGet(keys ...string) ([]interface{}, error) {
+	res, err := p.client.MGet(keys...).Result()
+	return res, convertError(err)
+}
+
+// 为确保多个key映射到同一个slot，每个key最好加上hash tag，如:{test}
+func (p *RedisClusterPool) MSet(kvs map[string]interface{}) error {
+	pairs := make([]string, 0, len(kvs)*2)
+	for k, v := range kvs {
+		val, err := String(v, nil)
+		if err != nil {
+			return err
+		}
+		pairs = append(pairs, k, val)
+	}
+	return convertError(p.client.MSet(pairs).Err())
+}
+
+// 为确保多个key映射到同一个slot，每个key最好加上hash tag，如:{test}
+func (p *RedisClusterPool) MSetNX(kvs map[string]interface{}) (bool, error) {
+	pairs := make([]string, 0, len(kvs)*2)
+	for k, v := range kvs {
+		val, err := String(v, nil)
+		if err != nil {
+			return false, err
+		}
+		pairs = append(pairs, k, val)
+	}
+	res, err := p.client.MSetNX(pairs).Result()
+	return res, convertError(err)
+}
+func (p *RedisClusterPool) ExpireAt(key string, timestamp int64) (int64, error) {
+	res, err := p.client.ExpireAt(key, time.Unix(timestamp, 0)).Result()
+	if err != nil {
+		return 0, convertError(err)
+	}
+	if res {
+		return 1, nil
+	}
+	return 0, nil
+}
+func (p *RedisClusterPool) Del(keys ...string) (int64, error) {
+	args := make([]interface{}, 0, len(keys))
+	for _, key := range keys {
+		args = append(args, key)
+	}
+	res, err := p.client.Del(keys...).Result()
+	if err != nil {
+		return res, convertError(err)
+	}
+	return res, nil
+}
+func (p *RedisClusterPool) Incr(key string) (int64, error) {
+	res, err := p.client.Incr(key).Result()
+	if err != nil {
+		return res, convertError(err)
+	}
+	return res, nil
+}
+func (p *RedisClusterPool) IncrBy(key string, delta int64) (int64, error) {
+	res, err := p.client.IncrBy(key, delta).Result()
+	if err != nil {
+		return res, convertError(err)
+	}
+	return res, nil
+}
+func (p *RedisClusterPool) Expire(key string, duration int64) (int64, error) {
+	res, err := p.client.Expire(key, time.Duration(duration)*time.Second).Result()
+	if err != nil {
+		return 0, convertError(err)
+	}
+	if res {
+		return 1, nil
+	}
+	return 0, nil
+}
+func (p *RedisClusterPool) Exists(key string) (bool, error) { // todo (bool, error)
+	res, err := p.client.Exists(key).Result()
+	if err != nil {
+		return false, convertError(err)
+	}
+	if res > 0 {
+		return true, nil
+	}
+	return false, nil
+}
+func (p *RedisClusterPool) HGet(key string, field string) (interface{}, error) {
+	res, err := p.client.HGet(key, field).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return []byte(res), nil
+}
+func (p *RedisClusterPool) HLen(key string) (int64, error) {
+	res, err := p.client.HLen(key).Result()
+	if err != nil {
+		return res, convertError(err)
+	}
+	return res, nil
+}
+func (p *RedisClusterPool) HSet(key string, field string, val interface{}) error {
+	value, err := String(val, nil)
+	if err != nil && err != ErrNil {
+		return err
+	}
+	_, err = p.client.HSet(key, field, value).Result()
+	if err != nil {
+		return convertError(err)
+	}
+	return nil
+}
+func (p *RedisClusterPool) HDel(key string, fields ...string) (int64, error) {
+	args := make([]interface{}, 0, len(fields)+1)
+	args = append(args, key)
+	for _, field := range fields {
+		args = append(args, field)
+	}
+	res, err := p.client.HDel(key, fields...).Result()
+	if err != nil {
+		return 0, convertError(err)
+	}
+	return res, nil
+}
+
+func (p *RedisClusterPool) HMGet(key string, fields ...string) (interface{}, error) {
+	args := make([]interface{}, 0, len(fields)+1)
+	args = append(args, key)
+	for _, field := range fields {
+		args = append(args, field)
+	}
+	if len(fields) == 0 {
+		return nil, ErrNil
+	}
+	res, err := p.client.HMGet(key, fields...).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return res, nil
+}
+func (p *RedisClusterPool) HMSet(key string, kvs ...interface{}) error {
+	if len(kvs) == 0 {
+		return nil
+	}
+	if len(kvs)%2 != 0 {
+		return ErrWrongArgsNum
+	}
+	var err error
+	v := map[string]interface{}{} // todo change
+	v["field"], err = String(kvs[0], nil)
+	if err != nil && err != ErrNil {
+		return err
+	}
+	v["value"], err = String(kvs[1], nil)
+	if err != nil && err != ErrNil {
+		return err
+	}
+	pairs := make([]string, 0, len(kvs)-2)
+	if len(kvs) > 2 {
+		for _, kv := range kvs[2:] {
+			kvString, err := String(kv, nil)
+			if err != nil && err != ErrNil {
+				return err
+			}
+			pairs = append(pairs, kvString)
+		}
+	}
+	v["paris"] = pairs
+	_, err = p.client.HMSet(key, v).Result()
+	if err != nil {
+		return convertError(err)
+	}
+	return nil
+}
+
+func (p *RedisClusterPool) HKeys(key string) ([]string, error) {
+	res, err := p.client.HKeys(key).Result()
+	if err != nil {
+		return res, convertError(err)
+	}
+	return res, nil
+}
+func (p *RedisClusterPool) HVals(key string) ([]interface{}, error) {
+	res, err := p.client.HVals(key).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	rs := make([]interface{}, 0, len(res))
+	for _, res := range res {
+		rs = append(rs, res)
+	}
+	return rs, nil
+}
+func (p *RedisClusterPool) HGetAll(key string) (map[string]string, error) {
+	vals, err := p.client.HGetAll(key).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return vals, nil
+}
+func (p *RedisClusterPool) HIncrBy(key, field string, delta int64) (int64, error) {
+	res, err := p.client.HIncrBy(key, field, delta).Result()
+	if err != nil {
+		return res, convertError(err)
+	}
+	return res, nil
+}
+func (p *RedisClusterPool) ZAdd(key string, kvs ...interface{}) (int64, error) {
+	args := make([]interface{}, 0, len(kvs)+1)
+	args = append(args, key)
+	args = append(args, kvs...)
+	if len(kvs) == 0 {
+		return 0, nil
+	}
+	if len(kvs)%2 != 0 {
+		return 0, ErrWrongArgsNum
+	}
+	zs := make([]redis.Z, len(kvs)/2)
+	for i := 0; i < len(kvs); i += 2 {
+		idx := i / 2
+		score, err := Float64(kvs[i], nil)
+		if err != nil && err != ErrNil {
+			return 0, err
+		}
+		zs[idx].Score = score
+		zs[idx].Member = kvs[i+1]
+	}
+	res, err := p.client.ZAdd(key, zs...).Result()
+	if err != nil {
+		return res, convertError(err)
+	}
+	return res, nil
+}
+func (p *RedisClusterPool) ZRem(key string, members ...string) (int64, error) {
+	args := make([]interface{}, 0, len(members))
+	args = append(args, key)
+	for _, member := range members {
+		args = append(args, member)
+	}
+	res, err := p.client.ZRem(key, members).Result()
+	if err != nil {
+		return res, convertError(err)
+	}
+	return res, err
+}
+
+func (p *RedisClusterPool) ZRange(key string, min, max int64, withScores bool) (interface{}, error) {
+	res := make([]interface{}, 0)
+	if withScores {
+		zs, err := p.client.ZRangeWithScores(key, min, max).Result()
+		if err != nil {
+			return nil, convertError(err)
+		}
+		for _, z := range zs {
+			res = append(res, z.Member, strconv.FormatFloat(z.Score, 'f', -1, 64))
+		}
+	} else {
+		ms, err := p.client.ZRange(key, min, max).Result()
+		if err != nil {
+			return nil, convertError(err)
+		}
+		for _, m := range ms {
+			res = append(res, m)
+		}
+	}
+	return res, nil
+}
+func (p *RedisClusterPool) ZRangeByScoreWithScore(key string, min, max int64) (map[string]int64, error) {
+	opt := new(redis.ZRangeBy)
+	opt.Min = strconv.FormatInt(int64(min), 10)
+	opt.Max = strconv.FormatInt(int64(max), 10)
+	opt.Count = -1
+	opt.Offset = 0
+	vals, err := p.client.ZRangeByScoreWithScores(key, *opt).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	res := make(map[string]int64, len(vals))
+	for _, val := range vals {
+		key, err := String(val.Member, nil)
+		if err != nil && err != ErrNil {
+			return nil, err
+		}
+		res[key] = int64(val.Score)
+	}
+	return res, nil
+}
+func (p *RedisClusterPool) LRange(key string, start, stop int64) (interface{}, error) {
+	res, err := p.client.LRange(key, start, stop).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return res, nil
+}
+func (p *RedisClusterPool) LSet(key string, index int, value interface{}) error {
+	err := p.client.LSet(key, int64(index), value).Err()
+	return convertError(err)
+}
+func (p *RedisClusterPool) LLen(key string) (int64, error) {
+	res, err := p.client.LLen(key).Result()
+	if err != nil {
+		return res, convertError(err)
+	}
+	return res, nil
+}
+func (p *RedisClusterPool) LRem(key string, count int, value interface{}) (int, error) {
+	val, _ := value.(string)
+	res, err := p.client.LRem(key, int64(count), val).Result()
+	if err != nil {
+		return int(res), convertError(err)
+	}
+	return int(res), nil
+}
+func (p *RedisClusterPool) TTl(key string) (int64, error) {
+	duration, err := p.client.TTL(key).Result()
+	if err != nil {
+		return int64(duration.Seconds()), convertError(err)
+	}
+	return int64(duration.Seconds()), nil
+}
+func (p *RedisClusterPool) LPop(key string) (interface{}, error) {
+	res, err := p.client.LPop(key).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return res, nil
+}
+func (p *RedisClusterPool) RPop(key string) (interface{}, error) {
+	res, err := p.client.RPop(key).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return res, nil
+}
+func (p *RedisClusterPool) BLPop(key string, timeout int) (interface{}, error) {
+	res, err := p.client.BLPop(time.Duration(timeout)*time.Second, key).Result()
+	if err != nil {
+		// 兼容redis 2.x
+		if err == redis.Nil {
+			return nil, ErrNil
+		}
+		return nil, err
+	}
+	return res[1], nil
+}
+func (p *RedisClusterPool) BRPop(key string, timeout int) (interface{}, error) {
+	res, err := p.client.BRPop(time.Duration(timeout)*time.Second, key).Result()
+	if err != nil {
+		// 兼容redis 2.x
+		if err == redis.Nil {
+			return nil, ErrNil
+		}
+		return nil, convertError(err)
+	}
+	return res[1], nil
+}
+func (p *RedisClusterPool) LPush(key string, value ...interface{}) error {
+	args := make([]interface{}, 0, len(value)+1)
+	args = append(args, key)
+	args = append(args, value...)
+	vals := make([]string, 0, len(value))
+	for _, v := range value {
+		val, err := String(v, nil)
+		if err != nil && err != ErrNil {
+			return err
+		}
+		vals = append(vals, val)
+	}
+	_, err := p.client.LPush(key, vals).Result() // todo ...
+	if err != nil {
+		return convertError(err)
+	}
+	return nil
+}
+func (p *RedisClusterPool) RPush(key string, value ...interface{}) error {
+	args := make([]interface{}, 0, len(value)+1)
+	args = append(args, key)
+	args = append(args, value...)
+	vals := make([]string, 0, len(value))
+	for _, v := range value {
+		val, err := String(v, nil)
+		if err != nil && err != ErrNil {
+			if err == ErrNil {
+				continue
+			}
+			return err
+		}
+		if val == "" {
+			continue
+		}
+		vals = append(vals, val)
+	}
+	_, err := p.client.RPush(key, vals).Result() // todo ...
+	if err != nil {
+		return convertError(err)
+	}
+	return nil
+}
+
+// 为确保srcKey跟destKey映射到同一个slot，srcKey和destKey需要加上hash tag，如:{test}
+func (p *RedisClusterPool) BRPopLPush(srcKey string, destKey string, timeout int) (interface{}, error) {
+	res, err := p.client.BRPopLPush(srcKey, destKey, time.Duration(timeout)*time.Second).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return res, nil
+}
+
+// 为确保srcKey跟destKey映射到同一个slot，srcKey和destKey需要加上hash tag，如:{test}
+func (p *RedisClusterPool) RPopLPush(srcKey string, destKey string) (interface{}, error) {
+	res, err := p.client.RPopLPush(srcKey, destKey).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return res, nil
+}
+func (p *RedisClusterPool) SAdd(key string, members ...interface{}) (int64, error) {
+	args := make([]interface{}, 0, len(members)+1)
+	args = append(args, key)
+	args = append(args, members...)
+	ms := make([]string, 0, len(members))
+	for _, member := range members {
+		m, err := String(member, nil)
+		if err != nil && err != ErrNil {
+			return 0, err
+		}
+		ms = append(ms, m)
+	}
+	res, err := p.client.SAdd(key, ms).Result() // todo ...
+	if err != nil {
+		return res, convertError(err)
+	}
+	return res, nil
+}
+func (p *RedisClusterPool) SPop(key string) ([]byte, error) {
+	res, err := p.client.SPop(key).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return []byte(res), nil
+}
+func (p *RedisClusterPool) SIsMember(key string, member interface{}) (bool, error) {
+	m, _ := member.(string)
+	res, err := p.client.SIsMember(key, m).Result()
+	if err != nil {
+		return res, convertError(err)
+	}
+	return res, nil
+}
+func (p *RedisClusterPool) SRem(key string, members ...interface{}) (int64, error) {
+	args := make([]interface{}, 0, len(members)+1)
+	args = append(args, key)
+	args = append(args, members...)
+	ms := make([]string, 0, len(members))
+	for _, member := range members {
+		m, err := String(member, nil)
+		if err != nil && err != ErrNil {
+			return 0, err
+		}
+		ms = append(ms, m)
+	}
+	res, err := p.client.SRem(key, ms).Result() // todo ...
+	if err != nil {
+		return res, convertError(err)
+	}
+	return res, nil
+}
+func (p *RedisClusterPool) SMembers(key string) ([]string, error) {
+	res, err := p.client.SMembers(key).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return res, nil
+}
+func (p *RedisClusterPool) ScriptLoad(luaScript string) (interface{}, error) {
+	res, err := p.client.ScriptLoad(luaScript).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return res, nil
+}
+func (p *RedisClusterPool) EvalSha(sha1 string, numberKeys int, keysArgs ...interface{}) (interface{}, error) {
+	vals := make([]interface{}, 0, len(keysArgs)+2)
+	vals = append(vals, sha1, numberKeys)
+	vals = append(vals, keysArgs...)
+	keys := make([]string, 0, numberKeys)
+	args := make([]string, 0, len(keysArgs)-numberKeys)
+	for i, value := range keysArgs {
+		val, err := String(value, nil)
+		if err != nil && err != ErrNil {
+			return nil, err
+		}
+		if i < numberKeys {
+			keys = append(keys, val)
+		} else {
+			args = append(args, val)
+		}
+	}
+	res, err := p.client.EvalSha(sha1, keys, args).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return res, nil
+}
+func (p *RedisClusterPool) Eval(luaScript string, numberKeys int, keysArgs ...interface{}) (interface{}, error) {
+	vals := make([]interface{}, 0, len(keysArgs)+2)
+	vals = append(vals, luaScript, numberKeys)
+	vals = append(vals, keysArgs...)
+	keys := make([]string, 0, numberKeys)
+	args := make([]string, 0, len(keysArgs)-numberKeys)
+	for i, value := range keysArgs {
+		val, err := String(value, nil)
+		if err != nil && err != ErrNil {
+			return nil, err
+		}
+		if i < numberKeys {
+			keys = append(keys, val)
+		} else {
+			args = append(args, val)
+		}
+	}
+	res, err := p.client.Eval(luaScript, keys, args).Result()
+	if err != nil {
+		return nil, convertError(err)
+	}
+	return res, nil
+}
+func (p *RedisClusterPool) GetBit(key string, offset int64) (int64, error) {
+	res, err := p.client.GetBit(key, offset).Result()
+	if err != nil {
+		return res, convertError(err)
+	}
+	return res, nil
+}
+func (p *RedisClusterPool) SetBit(key string, offset uint32, value int) (int, error) {
+	res, err := p.client.SetBit(key, int64(offset), value).Result()
+	return int(res), convertError(err)
+}
+func (p *RedisClusterPool) GetClient() *redis.ClusterClient {
+	return pools
+}

utils/convert.go

@@ -0,0 +1,366 @@
+package utils
+
+import (
+	"encoding/binary"
+	"encoding/json"
+	"fmt"
+	"math"
+	"strconv"
+	"strings"
+)
+
+func ToString(raw interface{}, e error) (res string) {
+	if e != nil {
+		return ""
+	}
+	return AnyToString(raw)
+}
+
+func ToInt64(raw interface{}, e error) int64 {
+	if e != nil {
+		return 0
+	}
+	return AnyToInt64(raw)
+}
+
+func AnyToBool(raw interface{}) bool {
+	switch i := raw.(type) {
+	case float32, float64, int, int64, uint, uint8, uint16, uint32, uint64, int8, int16, int32:
+		return i != 0
+	case []byte:
+		return i != nil
+	case string:
+		if i == "false" {
+			return false
+		}
+		return i != ""
+	case error:
+		return false
+	case nil:
+		return true
+	}
+	val := fmt.Sprint(raw)
+	val = strings.TrimLeft(val, "&")
+	if strings.TrimLeft(val, "{}") == "" {
+		return false
+	}
+	if strings.TrimLeft(val, "[]") == "" {
+		return false
+	}
+	// ptr type
+	b, err := json.Marshal(raw)
+	if err != nil {
+		return false
+	}
+	if strings.TrimLeft(string(b), "\"\"") == "" {
+		return false
+	}
+	if strings.TrimLeft(string(b), "{}") == "" {
+		return false
+	}
+	return true
+}
+
+func AnyToInt64(raw interface{}) int64 {
+	switch i := raw.(type) {
+	case string:
+		res, _ := strconv.ParseInt(i, 10, 64)
+		return res
+	case []byte:
+		return BytesToInt64(i)
+	case int:
+		return int64(i)
+	case int64:
+		return i
+	case uint:
+		return int64(i)
+	case uint8:
+		return int64(i)
+	case uint16:
+		return int64(i)
+	case uint32:
+		return int64(i)
+	case uint64:
+		return int64(i)
+	case int8:
+		return int64(i)
+	case int16:
+		return int64(i)
+	case int32:
+		return int64(i)
+	case float32:
+		return int64(i)
+	case float64:
+		return int64(i)
+	case error:
+		return 0
+	case bool:
+		if i {
+			return 1
+		}
+		return 0
+	}
+	return 0
+}
+
+func AnyToString(raw interface{}) string {
+	switch i := raw.(type) {
+	case []byte:
+		return string(i)
+	case int:
+		return strconv.FormatInt(int64(i), 10)
+	case int64:
+		return strconv.FormatInt(i, 10)
+	case float32:
+		return Float64ToStr(float64(i))
+	case float64:
+		return Float64ToStr(i)
+	case uint:
+		return strconv.FormatInt(int64(i), 10)
+	case uint8:
+		return strconv.FormatInt(int64(i), 10)
+	case uint16:
+		return strconv.FormatInt(int64(i), 10)
+	case uint32:
+		return strconv.FormatInt(int64(i), 10)
+	case uint64:
+		return strconv.FormatInt(int64(i), 10)
+	case int8:
+		return strconv.FormatInt(int64(i), 10)
+	case int16:
+		return strconv.FormatInt(int64(i), 10)
+	case int32:
+		return strconv.FormatInt(int64(i), 10)
+	case string:
+		return i
+	case error:
+		return i.Error()
+	case bool:
+		return strconv.FormatBool(i)
+	}
+	return fmt.Sprintf("%#v", raw)
+}
+
+func AnyToFloat64(raw interface{}) float64 {
+	switch i := raw.(type) {
+	case []byte:
+		f, _ := strconv.ParseFloat(string(i), 64)
+		return f
+	case int:
+		return float64(i)
+	case int64:
+		return float64(i)
+	case float32:
+		return float64(i)
+	case float64:
+		return i
+	case uint:
+		return float64(i)
+	case uint8:
+		return float64(i)
+	case uint16:
+		return float64(i)
+	case uint32:
+		return float64(i)
+	case uint64:
+		return float64(i)
+	case int8:
+		return float64(i)
+	case int16:
+		return float64(i)
+	case int32:
+		return float64(i)
+	case string:
+		f, _ := strconv.ParseFloat(i, 64)
+		return f
+	case bool:
+		if i {
+			return 1
+		}
+	}
+	return 0
+}
+
+func ToByte(raw interface{}, e error) []byte {
+	if e != nil {
+		return []byte{}
+	}
+	switch i := raw.(type) {
+	case string:
+		return []byte(i)
+	case int:
+		return Int64ToBytes(int64(i))
+	case int64:
+		return Int64ToBytes(i)
+	case float32:
+		return Float32ToByte(i)
+	case float64:
+		return Float64ToByte(i)
+	case uint:
+		return Int64ToBytes(int64(i))
+	case uint8:
+		return Int64ToBytes(int64(i))
+	case uint16:
+		return Int64ToBytes(int64(i))
+	case uint32:
+		return Int64ToBytes(int64(i))
+	case uint64:
+		return Int64ToBytes(int64(i))
+	case int8:
+		return Int64ToBytes(int64(i))
+	case int16:
+		return Int64ToBytes(int64(i))
+	case int32:
+		return Int64ToBytes(int64(i))
+	case []byte:
+		return i
+	case error:
+		return []byte(i.Error())
+	case bool:
+		if i {
+			return []byte("true")
+		}
+		return []byte("false")
+	}
+	return []byte(fmt.Sprintf("%#v", raw))
+}
+
+func Int64ToBytes(i int64) []byte {
+	var buf = make([]byte, 8)
+	binary.BigEndian.PutUint64(buf, uint64(i))
+	return buf
+}
+
+func BytesToInt64(buf []byte) int64 {
+	return int64(binary.BigEndian.Uint64(buf))
+}
+
+func StrToInt(s string) int {
+	res, _ := strconv.Atoi(s)
+	return res
+}
+
+func StrToInt64(s string) int64 {
+	res, _ := strconv.ParseInt(s, 10, 64)
+	return res
+}
+
+func Float32ToByte(float float32) []byte {
+	bits := math.Float32bits(float)
+	bytes := make([]byte, 4)
+	binary.LittleEndian.PutUint32(bytes, bits)
+
+	return bytes
+}
+
+func ByteToFloat32(bytes []byte) float32 {
+	bits := binary.LittleEndian.Uint32(bytes)
+	return math.Float32frombits(bits)
+}
+
+func Float64ToByte(float float64) []byte {
+	bits := math.Float64bits(float)
+	bytes := make([]byte, 8)
+	binary.LittleEndian.PutUint64(bytes, bits)
+	return bytes
+}
+
+func ByteToFloat64(bytes []byte) float64 {
+	bits := binary.LittleEndian.Uint64(bytes)
+	return math.Float64frombits(bits)
+}
+
+func Float64ToStr(f float64) string {
+	return strconv.FormatFloat(f, 'f', 2, 64)
+}
+func Float64ToStrPrec1(f float64) string {
+	return strconv.FormatFloat(f, 'f', 1, 64)
+}
+func Float64ToStrByPrec(f float64, prec int) string {
+	return strconv.FormatFloat(f, 'f', prec, 64)
+}
+
+func Float32ToStr(f float32) string {
+	return Float64ToStr(float64(f))
+}
+
+func StrToFloat64(s string) float64 {
+	res, err := strconv.ParseFloat(s, 64)
+	if err != nil {
+		return 0
+	}
+	return res
+}
+func StrToFormat(s string, prec int) string {
+	ex := strings.Split(s, ".")
+	if len(ex) == 2 {
+		if StrToFloat64(ex[1]) == 0 { //小数点后面为空就是不要小数点了
+			return ex[0]
+		}
+		//看取多少位
+		str := ex[1]
+		str1 := str
+		if prec < len(str) {
+			str1 = str[0:prec]
+		} else {
+			for i := 0; i < prec-len(str); i++ {
+				str1 += "0"
+			}
+		}
+		if prec > 0 {
+			return ex[0] + "." + str1
+		} else {
+			return ex[0]
+		}
+	}
+	return s
+}
+
+func StrToFloat32(s string) float32 {
+	res, err := strconv.ParseFloat(s, 32)
+	if err != nil {
+		return 0
+	}
+	return float32(res)
+}
+
+func StrToBool(s string) bool {
+	b, _ := strconv.ParseBool(s)
+	return b
+}
+
+func BoolToStr(b bool) string {
+	if b {
+		return "true"
+	}
+	return "false"
+}
+
+func FloatToInt64(f float64) int64 {
+	return int64(f)
+}
+
+func IntToStr(i int) string {
+	return strconv.Itoa(i)
+}
+
+func Int64ToStr(i int64) string {
+	return strconv.FormatInt(i, 10)
+}
+
+func IntToFloat64(i int) float64 {
+	s := strconv.Itoa(i)
+	res, err := strconv.ParseFloat(s, 64)
+	if err != nil {
+		return 0
+	}
+	return res
+}
+func Int64ToFloat64(i int64) float64 {
+	s := strconv.FormatInt(i, 10)
+	res, err := strconv.ParseFloat(s, 64)
+	if err != nil {
+		return 0
+	}
+	return res
+}

utils/crypto.go

@@ -0,0 +1,19 @@
+package utils
+
+import (
+	"crypto/md5"
+	"encoding/base64"
+	"fmt"
+)
+
+func GetMd5(raw []byte) string {
+	h := md5.New()
+	h.Write(raw)
+	return fmt.Sprintf("%x", h.Sum(nil))
+}
+
+func GetBase64Md5(raw []byte) string {
+	h := md5.New()
+	h.Write(raw)
+	return base64.StdEncoding.EncodeToString(h.Sum(nil))
+}

utils/curl.go

@@ -0,0 +1,209 @@
+package utils
+
+import (
+	"bytes"
+	"crypto/tls"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"net/url"
+	"sort"
+	"strings"
+	"time"
+)
+
+var CurlDebug bool
+
+func CurlGet(router string, header map[string]string) ([]byte, error) {
+	return curl(http.MethodGet, router, nil, header)
+}
+func CurlGetJson(router string, body interface{}, header map[string]string) ([]byte, error) {
+	return curl_new(http.MethodGet, router, body, header)
+}
+
+// 只支持form 与json 提交, 请留意body的类型, 支持string, []byte, map[string]string
+func CurlPost(router string, body interface{}, header map[string]string) ([]byte, error) {
+	return curl(http.MethodPost, router, body, header)
+}
+
+func CurlPut(router string, body interface{}, header map[string]string) ([]byte, error) {
+	return curl(http.MethodPut, router, body, header)
+}
+
+// 只支持form 与json 提交, 请留意body的类型, 支持string, []byte, map[string]string
+func CurlPatch(router string, body interface{}, header map[string]string) ([]byte, error) {
+	return curl(http.MethodPatch, router, body, header)
+}
+
+// CurlDelete is curl delete
+func CurlDelete(router string, body interface{}, header map[string]string) ([]byte, error) {
+	return curl(http.MethodDelete, router, body, header)
+}
+
+func curl(method, router string, body interface{}, header map[string]string) ([]byte, error) {
+	var reqBody io.Reader
+	contentType := "application/json"
+	switch v := body.(type) {
+	case string:
+		reqBody = strings.NewReader(v)
+	case []byte:
+		reqBody = bytes.NewReader(v)
+	case map[string]string:
+		val := url.Values{}
+		for k, v := range v {
+			val.Set(k, v)
+		}
+		reqBody = strings.NewReader(val.Encode())
+		contentType = "application/x-www-form-urlencoded"
+	case map[string]interface{}:
+		val := url.Values{}
+		for k, v := range v {
+			val.Set(k, v.(string))
+		}
+		reqBody = strings.NewReader(val.Encode())
+		contentType = "application/x-www-form-urlencoded"
+	}
+	if header == nil {
+		header = map[string]string{"Content-Type": contentType}
+	}
+	if _, ok := header["Content-Type"]; !ok {
+		header["Content-Type"] = contentType
+	}
+	resp, er := CurlReq(method, router, reqBody, header)
+	if er != nil {
+		return nil, er
+	}
+	res, err := ioutil.ReadAll(resp.Body)
+	if CurlDebug {
+		blob := SerializeStr(body)
+		if contentType != "application/json" {
+			blob = HttpBuild(body)
+		}
+		fmt.Printf("\n\n=====================\n[url]: %s\n[time]: %s\n[method]: %s\n[content-type]: %v\n[req_header]: %s\n[req_body]: %#v\n[resp_err]: %v\n[resp_header]: %v\n[resp_body]: %v\n=====================\n\n",
+			router,
+			time.Now().Format("2006-01-02 15:04:05.000"),
+			method,
+			contentType,
+			HttpBuildQuery(header),
+			blob,
+			err,
+			SerializeStr(resp.Header),
+			string(res),
+		)
+	}
+	resp.Body.Close()
+	return res, err
+}
+
+func curl_new(method, router string, body interface{}, header map[string]string) ([]byte, error) {
+	var reqBody io.Reader
+	contentType := "application/json"
+
+	if header == nil {
+		header = map[string]string{"Content-Type": contentType}
+	}
+	if _, ok := header["Content-Type"]; !ok {
+		header["Content-Type"] = contentType
+	}
+	resp, er := CurlReq(method, router, reqBody, header)
+	if er != nil {
+		return nil, er
+	}
+	res, err := ioutil.ReadAll(resp.Body)
+	if CurlDebug {
+		blob := SerializeStr(body)
+		if contentType != "application/json" {
+			blob = HttpBuild(body)
+		}
+		fmt.Printf("\n\n=====================\n[url]: %s\n[time]: %s\n[method]: %s\n[content-type]: %v\n[req_header]: %s\n[req_body]: %#v\n[resp_err]: %v\n[resp_header]: %v\n[resp_body]: %v\n=====================\n\n",
+			router,
+			time.Now().Format("2006-01-02 15:04:05.000"),
+			method,
+			contentType,
+			HttpBuildQuery(header),
+			blob,
+			err,
+			SerializeStr(resp.Header),
+			string(res),
+		)
+	}
+	resp.Body.Close()
+	return res, err
+}
+
+func CurlReq(method, router string, reqBody io.Reader, header map[string]string) (*http.Response, error) {
+	req, _ := http.NewRequest(method, router, reqBody)
+	if header != nil {
+		for k, v := range header {
+			req.Header.Set(k, v)
+		}
+	}
+	// 绕过github等可能因为特征码返回503问题
+	// https://www.imwzk.com/posts/2021-03-14-why-i-always-get-503-with-golang/
+	defaultCipherSuites := []uint16{0xc02f, 0xc030, 0xc02b, 0xc02c, 0xcca8, 0xcca9, 0xc013, 0xc009,
+		0xc014, 0xc00a, 0x009c, 0x009d, 0x002f, 0x0035, 0xc012, 0x000a}
+	client := &http.Client{
+		Transport: &http.Transport{
+			TLSClientConfig: &tls.Config{
+				InsecureSkipVerify: true,
+				CipherSuites:       append(defaultCipherSuites[8:], defaultCipherSuites[:8]...),
+			},
+		},
+		// 获取301重定向
+		CheckRedirect: func(req *http.Request, via []*http.Request) error {
+			return http.ErrUseLastResponse
+		},
+	}
+	return client.Do(req)
+}
+
+// 组建get请求参数,sortAsc true为小到大,false为大到小,nil不排序  a=123&b=321
+func HttpBuildQuery(args map[string]string, sortAsc ...bool) string {
+	str := ""
+	if len(args) == 0 {
+		return str
+	}
+	if len(sortAsc) > 0 {
+		keys := make([]string, 0, len(args))
+		for k := range args {
+			keys = append(keys, k)
+		}
+		if sortAsc[0] {
+			sort.Strings(keys)
+		} else {
+			sort.Sort(sort.Reverse(sort.StringSlice(keys)))
+		}
+		for _, k := range keys {
+			str += "&" + k + "=" + args[k]
+		}
+	} else {
+		for k, v := range args {
+			str += "&" + k + "=" + v
+		}
+	}
+	return str[1:]
+}
+
+func HttpBuild(body interface{}, sortAsc ...bool) string {
+	params := map[string]string{}
+	if args, ok := body.(map[string]interface{}); ok {
+		for k, v := range args {
+			params[k] = AnyToString(v)
+		}
+		return HttpBuildQuery(params, sortAsc...)
+	}
+	if args, ok := body.(map[string]string); ok {
+		for k, v := range args {
+			params[k] = AnyToString(v)
+		}
+		return HttpBuildQuery(params, sortAsc...)
+	}
+	if args, ok := body.(map[string]int); ok {
+		for k, v := range args {
+			params[k] = AnyToString(v)
+		}
+		return HttpBuildQuery(params, sortAsc...)
+	}
+	return AnyToString(body)
+}

utils/debug.go

@@ -0,0 +1,25 @@
+package utils
+
+import (
+	"fmt"
+	"os"
+	"strconv"
+	"time"
+)
+
+func Debug(args ...interface{}) {
+	s := ""
+	l := len(args)
+	if l < 1 {
+		fmt.Println("please input some data")
+		os.Exit(0)
+	}
+	i := 1
+	for _, v := range args {
+		s += fmt.Sprintf("【"+strconv.Itoa(i)+"】: %#v\n", v)
+		i++
+	}
+	s = "******************** 【DEBUG - " + time.Now().Format("2006-01-02 15:04:05") + "】 ********************\n" + s + "******************** 【DEBUG - END】 ********************\n"
+	fmt.Println(s)
+	os.Exit(0)
+}

utils/distance.go

@@ -0,0 +1,16 @@
+package utils
+
+import "math"
+
+//返回单位为：千米
+func GetDistance(lat1, lat2, lng1, lng2 float64) float64 {
+	radius := 6371000.0 //6378137.0
+	rad := math.Pi / 180.0
+	lat1 = lat1 * rad
+	lng1 = lng1 * rad
+	lat2 = lat2 * rad
+	lng2 = lng2 * rad
+	theta := lng2 - lng1
+	dist := math.Acos(math.Sin(lat1)*math.Sin(lat2) + math.Cos(lat1)*math.Cos(lat2)*math.Cos(theta))
+	return dist * radius / 1000
+}

utils/duplicate.go

@@ -0,0 +1,37 @@
+package utils
+
+func RemoveDuplicateString(elms []string) []string {
+	res := make([]string, 0, len(elms))
+	temp := map[string]struct{}{}
+	for _, item := range elms {
+		if _, ok := temp[item]; !ok {
+			temp[item] = struct{}{}
+			res = append(res, item)
+		}
+	}
+	return res
+}
+
+func RemoveDuplicateInt(elms []int) []int {
+	res := make([]int, 0, len(elms))
+	temp := map[int]struct{}{}
+	for _, item := range elms {
+		if _, ok := temp[item]; !ok {
+			temp[item] = struct{}{}
+			res = append(res, item)
+		}
+	}
+	return res
+}
+
+func RemoveDuplicateInt64(elms []int64) []int64 {
+	res := make([]int64, 0, len(elms))
+	temp := map[int64]struct{}{}
+	for _, item := range elms {
+		if _, ok := temp[item]; !ok {
+			temp[item] = struct{}{}
+			res = append(res, item)
+		}
+	}
+	return res
+}

utils/file.go

@@ -0,0 +1,22 @@
+package utils
+
+import (
+	"os"
+	"path"
+	"strings"
+	"time"
+)
+
+// 获取文件后缀
+func FileExt(fname string) string {
+	return strings.ToLower(strings.TrimLeft(path.Ext(fname), "."))
+}
+
+func FilePutContents(fileName string, content string) {
+	fd, _ := os.OpenFile("./tmp/"+fileName+".log", os.O_RDWR|os.O_CREATE|os.O_APPEND, 0644)
+	fd_time := time.Now().Format("2006-01-02 15:04:05")
+	fd_content := strings.Join([]string{"[", fd_time, "] ", content, "\n"}, "")
+	buf := []byte(fd_content)
+	fd.Write(buf)
+	fd.Close()
+}

utils/file_and_dir.go

@@ -0,0 +1,29 @@
+package utils
+
+import "os"
+
+// 判断所给路径文件、文件夹是否存在
+func Exists(path string) bool {
+	_, err := os.Stat(path) //os.Stat获取文件信息
+	if err != nil {
+		if os.IsExist(err) {
+			return true
+		}
+		return false
+	}
+	return true
+}
+
+// 判断所给路径是否为文件夹
+func IsDir(path string) bool {
+	s, err := os.Stat(path)
+	if err != nil {
+		return false
+	}
+	return s.IsDir()
+}
+
+// 判断所给路径是否为文件
+func IsFile(path string) bool {
+	return !IsDir(path)
+}

utils/format.go

@@ -0,0 +1,66 @@
+package utils
+
+import (
+	"math"
+)
+
+func CouponFormat(data string) string {
+	switch data {
+	case "0.00", "0", "":
+		return ""
+	default:
+		return Int64ToStr(FloatToInt64(StrToFloat64(data)))
+	}
+}
+func CommissionFormat(data string) string {
+	if StrToFloat64(data) > 0 {
+		return data
+	}
+
+	return ""
+}
+
+func HideString(src string, hLen int) string {
+	str := []rune(src)
+	if hLen == 0 {
+		hLen = 4
+	}
+	hideStr := ""
+	for i := 0; i < hLen; i++ {
+		hideStr += "*"
+	}
+	hideLen := len(str) / 2
+	showLen := len(str) - hideLen
+	if hideLen == 0 || showLen == 0 {
+		return hideStr
+	}
+	subLen := showLen / 2
+	if subLen == 0 {
+		return string(str[:showLen]) + hideStr
+	}
+	s := string(str[:subLen])
+	s += hideStr
+	s += string(str[len(str)-subLen:])
+	return s
+}
+
+//SaleCountFormat is 格式化销量
+func SaleCountFormat(s string) string {
+	if StrToInt(s) > 0 {
+		if StrToInt(s) >= 10000 {
+			num := FloatFormat(StrToFloat64(s)/10000, 2)
+			s = Float64ToStr(num) + "w"
+		}
+		return s + "已售"
+	}
+	return ""
+}
+
+// 小数格式化
+func FloatFormat(f float64, i int) float64 {
+	if i > 14 {
+		return f
+	}
+	p := math.Pow10(i)
+	return float64(int64((f+0.000000000000009)*p)) / p
+}

utils/json.go

@@ -0,0 +1,37 @@
+package utils
+
+import (
+	"bytes"
+	"encoding/json"
+	"regexp"
+)
+
+func JsonMarshal(interface{}) {
+
+}
+
+// 不科学计数法
+func JsonDecode(data []byte, v interface{}) error {
+	d := json.NewDecoder(bytes.NewReader(data))
+	d.UseNumber()
+	return d.Decode(v)
+}
+
+// json字符串驼峰命名格式 转为 下划线命名格式
+// 	c :json字符串
+func MarshalJSONCamelCase2JsonSnakeCase(c string) []byte {
+	// Regexp definitions
+	var keyMatchRegex = regexp.MustCompile(`\"(\w+)\":`)
+	var wordBarrierRegex = regexp.MustCompile(`(\w)([A-Z])`)
+	marshalled := []byte(c)
+	converted := keyMatchRegex.ReplaceAllFunc(
+		marshalled,
+		func(match []byte) []byte {
+			return bytes.ToLower(wordBarrierRegex.ReplaceAll(
+				match,
+				[]byte(`${1}_${2}`),
+			))
+		},
+	)
+	return converted
+}

utils/logx/log.go

@@ -0,0 +1,245 @@
+package logx
+
+import (
+	"os"
+	"strings"
+	"time"
+
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+)
+
+type LogConfig struct {
+	AppName         string `yaml:"app_name" json:"app_name" toml:"app_name"`
+	Level           string `yaml:"level" json:"level" toml:"level"`
+	StacktraceLevel string `yaml:"stacktrace_level" json:"stacktrace_level" toml:"stacktrace_level"`
+	IsStdOut        bool   `yaml:"is_stdout" json:"is_stdout" toml:"is_stdout"`
+	TimeFormat      string `yaml:"time_format" json:"time_format" toml:"time_format"` // second, milli, nano, standard, iso,
+	Encoding        string `yaml:"encoding" json:"encoding" toml:"encoding"`          // console, json
+	Skip            int    `yaml:"skip" json:"skip" toml:"skip"`
+
+	IsFileOut   bool   `yaml:"is_file_out" json:"is_file_out" toml:"is_file_out"`
+	FileDir     string `yaml:"file_dir" json:"file_dir" toml:"file_dir"`
+	FileName    string `yaml:"file_name" json:"file_name" toml:"file_name"`
+	FileMaxSize int    `yaml:"file_max_size" json:"file_max_size" toml:"file_max_size"`
+	FileMaxAge  int    `yaml:"file_max_age" json:"file_max_age" toml:"file_max_age"`
+}
+
+var (
+	l    *LogX = defaultLogger()
+	conf *LogConfig
+)
+
+// default logger setting
+func defaultLogger() *LogX {
+	conf = &LogConfig{
+		Level:           "debug",
+		StacktraceLevel: "error",
+		IsStdOut:        true,
+		TimeFormat:      "standard",
+		Encoding:        "console",
+		Skip:            2,
+	}
+	writers := []zapcore.WriteSyncer{os.Stdout}
+	lg, lv := newZapLogger(setLogLevel(conf.Level), setLogLevel(conf.StacktraceLevel), conf.Encoding, conf.TimeFormat, conf.Skip, zapcore.NewMultiWriteSyncer(writers...))
+	zap.RedirectStdLog(lg)
+	return &LogX{logger: lg, atomLevel: lv}
+}
+
+// initial standard log, if you don't init, it will use default logger setting
+func InitDefaultLogger(cfg *LogConfig) {
+	var writers []zapcore.WriteSyncer
+	if cfg.IsStdOut || (!cfg.IsStdOut && !cfg.IsFileOut) {
+		writers = append(writers, os.Stdout)
+	}
+	if cfg.IsFileOut {
+		writers = append(writers, NewRollingFile(cfg.FileDir, cfg.FileName, cfg.FileMaxSize, cfg.FileMaxAge))
+	}
+
+	lg, lv := newZapLogger(setLogLevel(cfg.Level), setLogLevel(cfg.StacktraceLevel), cfg.Encoding, cfg.TimeFormat, cfg.Skip, zapcore.NewMultiWriteSyncer(writers...))
+	zap.RedirectStdLog(lg)
+	if cfg.AppName != "" {
+		lg = lg.With(zap.String("app", cfg.AppName)) // 加上应用名称
+	}
+	l = &LogX{logger: lg, atomLevel: lv}
+}
+
+// create a new logger
+func NewLogger(cfg *LogConfig) *LogX {
+	var writers []zapcore.WriteSyncer
+	if cfg.IsStdOut || (!cfg.IsStdOut && !cfg.IsFileOut) {
+		writers = append(writers, os.Stdout)
+	}
+	if cfg.IsFileOut {
+		writers = append(writers, NewRollingFile(cfg.FileDir, cfg.FileName, cfg.FileMaxSize, cfg.FileMaxAge))
+	}
+
+	lg, lv := newZapLogger(setLogLevel(cfg.Level), setLogLevel(cfg.StacktraceLevel), cfg.Encoding, cfg.TimeFormat, cfg.Skip, zapcore.NewMultiWriteSyncer(writers...))
+	zap.RedirectStdLog(lg)
+	if cfg.AppName != "" {
+		lg = lg.With(zap.String("app", cfg.AppName)) // 加上应用名称
+	}
+	return &LogX{logger: lg, atomLevel: lv}
+}
+
+// create a new zaplog logger
+func newZapLogger(level, stacktrace zapcore.Level, encoding, timeType string, skip int, output zapcore.WriteSyncer) (*zap.Logger, *zap.AtomicLevel) {
+	encCfg := zapcore.EncoderConfig{
+		TimeKey:        "T",
+		LevelKey:       "L",
+		NameKey:        "N",
+		CallerKey:      "C",
+		MessageKey:     "M",
+		StacktraceKey:  "S",
+		LineEnding:     zapcore.DefaultLineEnding,
+		EncodeCaller:   zapcore.ShortCallerEncoder,
+		EncodeDuration: zapcore.NanosDurationEncoder,
+		EncodeLevel:    zapcore.LowercaseLevelEncoder,
+	}
+	setTimeFormat(timeType, &encCfg) // set time type
+	atmLvl := zap.NewAtomicLevel()   // set level
+	atmLvl.SetLevel(level)
+	encoder := zapcore.NewJSONEncoder(encCfg) // 确定encoder格式
+	if encoding == "console" {
+		encoder = zapcore.NewConsoleEncoder(encCfg)
+	}
+	return zap.New(zapcore.NewCore(encoder, output, atmLvl), zap.AddCaller(), zap.AddStacktrace(stacktrace), zap.AddCallerSkip(skip)), &atmLvl
+}
+
+// set log level
+func setLogLevel(lvl string) zapcore.Level {
+	switch strings.ToLower(lvl) {
+	case "panic":
+		return zapcore.PanicLevel
+	case "fatal":
+		return zapcore.FatalLevel
+	case "error":
+		return zapcore.ErrorLevel
+	case "warn", "warning":
+		return zapcore.WarnLevel
+	case "info":
+		return zapcore.InfoLevel
+	default:
+		return zapcore.DebugLevel
+	}
+}
+
+// set time format
+func setTimeFormat(timeType string, z *zapcore.EncoderConfig) {
+	switch strings.ToLower(timeType) {
+	case "iso": // iso8601 standard
+		z.EncodeTime = zapcore.ISO8601TimeEncoder
+	case "sec": // only for unix second, without millisecond
+		z.EncodeTime = func(t time.Time, enc zapcore.PrimitiveArrayEncoder) {
+			enc.AppendInt64(t.Unix())
+		}
+	case "second": // unix second, with millisecond
+		z.EncodeTime = zapcore.EpochTimeEncoder
+	case "milli", "millisecond": // millisecond
+		z.EncodeTime = zapcore.EpochMillisTimeEncoder
+	case "nano", "nanosecond": // nanosecond
+		z.EncodeTime = zapcore.EpochNanosTimeEncoder
+	default: // standard format
+		z.EncodeTime = func(t time.Time, enc zapcore.PrimitiveArrayEncoder) {
+			enc.AppendString(t.Format("2006-01-02 15:04:05.000"))
+		}
+	}
+}
+
+func GetLevel() string {
+	switch l.atomLevel.Level() {
+	case zapcore.PanicLevel:
+		return "panic"
+	case zapcore.FatalLevel:
+		return "fatal"
+	case zapcore.ErrorLevel:
+		return "error"
+	case zapcore.WarnLevel:
+		return "warn"
+	case zapcore.InfoLevel:
+		return "info"
+	default:
+		return "debug"
+	}
+}
+
+func SetLevel(lvl string) {
+	l.atomLevel.SetLevel(setLogLevel(lvl))
+}
+
+// temporary add call skip
+func AddCallerSkip(skip int) *LogX {
+	l.logger.WithOptions(zap.AddCallerSkip(skip))
+	return l
+}
+
+// permanent add call skip
+func AddDepth(skip int) *LogX {
+	l.logger = l.logger.WithOptions(zap.AddCallerSkip(skip))
+	return l
+}
+
+// permanent add options
+func AddOptions(opts ...zap.Option) *LogX {
+	l.logger = l.logger.WithOptions(opts...)
+	return l
+}
+
+func AddField(k string, v interface{}) {
+	l.logger.With(zap.Any(k, v))
+}
+
+func AddFields(fields map[string]interface{}) *LogX {
+	for k, v := range fields {
+		l.logger.With(zap.Any(k, v))
+	}
+	return l
+}
+
+// Normal log
+func Debug(e interface{}, args ...interface{}) error {
+	return l.Debug(e, args...)
+}
+func Info(e interface{}, args ...interface{}) error {
+	return l.Info(e, args...)
+}
+func Warn(e interface{}, args ...interface{}) error {
+	return l.Warn(e, args...)
+}
+func Error(e interface{}, args ...interface{}) error {
+	return l.Error(e, args...)
+}
+func Panic(e interface{}, args ...interface{}) error {
+	return l.Panic(e, args...)
+}
+func Fatal(e interface{}, args ...interface{}) error {
+	return l.Fatal(e, args...)
+}
+
+// Format logs
+func Debugf(format string, args ...interface{}) error {
+	return l.Debugf(format, args...)
+}
+func Infof(format string, args ...interface{}) error {
+	return l.Infof(format, args...)
+}
+func Warnf(format string, args ...interface{}) error {
+	return l.Warnf(format, args...)
+}
+func Errorf(format string, args ...interface{}) error {
+	return l.Errorf(format, args...)
+}
+func Panicf(format string, args ...interface{}) error {
+	return l.Panicf(format, args...)
+}
+func Fatalf(format string, args ...interface{}) error {
+	return l.Fatalf(format, args...)
+}
+
+func formatFieldMap(m FieldMap) []Field {
+	var res []Field
+	for k, v := range m {
+		res = append(res, zap.Any(k, v))
+	}
+	return res
+}

utils/logx/output.go

@@ -0,0 +1,105 @@
+package logx
+
+import (
+	"bytes"
+	"io"
+	"os"
+	"path/filepath"
+	"time"
+
+	"gopkg.in/natefinch/lumberjack.v2"
+)
+
+// output interface
+type WriteSyncer interface {
+	io.Writer
+	Sync() error
+}
+
+// split writer
+func NewRollingFile(dir, filename string, maxSize, MaxAge int) WriteSyncer {
+	s, err := os.Stat(dir)
+	if err != nil || !s.IsDir() {
+		os.RemoveAll(dir)
+		if err := os.MkdirAll(dir, 0766); err != nil {
+			panic(err)
+		}
+	}
+	return newLumberjackWriteSyncer(&lumberjack.Logger{
+		Filename:  filepath.Join(dir, filename),
+		MaxSize:   maxSize, // megabytes, MB
+		MaxAge:    MaxAge,  // days
+		LocalTime: true,
+		Compress:  false,
+	})
+}
+
+type lumberjackWriteSyncer struct {
+	*lumberjack.Logger
+	buf       *bytes.Buffer
+	logChan   chan []byte
+	closeChan chan interface{}
+	maxSize   int
+}
+
+func newLumberjackWriteSyncer(l *lumberjack.Logger) *lumberjackWriteSyncer {
+	ws := &lumberjackWriteSyncer{
+		Logger:    l,
+		buf:       bytes.NewBuffer([]byte{}),
+		logChan:   make(chan []byte, 5000),
+		closeChan: make(chan interface{}),
+		maxSize:   1024,
+	}
+	go ws.run()
+	return ws
+}
+
+func (l *lumberjackWriteSyncer) run() {
+	ticker := time.NewTicker(1 * time.Second)
+
+	for {
+		select {
+		case <-ticker.C:
+			if l.buf.Len() > 0 {
+				l.sync()
+			}
+		case bs := <-l.logChan:
+			_, err := l.buf.Write(bs)
+			if err != nil {
+				continue
+			}
+			if l.buf.Len() > l.maxSize {
+				l.sync()
+			}
+		case <-l.closeChan:
+			l.sync()
+			return
+		}
+	}
+}
+
+func (l *lumberjackWriteSyncer) Stop() {
+	close(l.closeChan)
+}
+
+func (l *lumberjackWriteSyncer) Write(bs []byte) (int, error) {
+	b := make([]byte, len(bs))
+	for i, c := range bs {
+		b[i] = c
+	}
+	l.logChan <- b
+	return 0, nil
+}
+
+func (l *lumberjackWriteSyncer) Sync() error {
+	return nil
+}
+
+func (l *lumberjackWriteSyncer) sync() error {
+	defer l.buf.Reset()
+	_, err := l.Logger.Write(l.buf.Bytes())
+	if err != nil {
+		return err
+	}
+	return nil
+}

utils/logx/sugar.go

@@ -0,0 +1,192 @@
+package logx
+
+import (
+	"errors"
+	"fmt"
+	"strconv"
+
+	"go.uber.org/zap"
+)
+
+type LogX struct {
+	logger    *zap.Logger
+	atomLevel *zap.AtomicLevel
+}
+
+type Field = zap.Field
+type FieldMap map[string]interface{}
+
+// 判断其他类型--start
+func getFields(msg string, format bool, args ...interface{}) (string, []Field) {
+	var str []interface{}
+	var fields []zap.Field
+	if len(args) > 0 {
+		for _, v := range args {
+			if f, ok := v.(Field); ok {
+				fields = append(fields, f)
+			} else if f, ok := v.(FieldMap); ok {
+				fields = append(fields, formatFieldMap(f)...)
+			} else {
+				str = append(str, AnyToString(v))
+			}
+		}
+		if format {
+			return fmt.Sprintf(msg, str...), fields
+		}
+		str = append([]interface{}{msg}, str...)
+		return fmt.Sprintln(str...), fields
+	}
+	return msg, []Field{}
+}
+
+func (l *LogX) Debug(s interface{}, args ...interface{}) error {
+	es, e := checkErr(s)
+	if es != "" {
+		msg, field := getFields(es, false, args...)
+		l.logger.Debug(msg, field...)
+	}
+	return e
+}
+func (l *LogX) Info(s interface{}, args ...interface{}) error {
+	es, e := checkErr(s)
+	if es != "" {
+		msg, field := getFields(es, false, args...)
+		l.logger.Info(msg, field...)
+	}
+	return e
+}
+func (l *LogX) Warn(s interface{}, args ...interface{}) error {
+	es, e := checkErr(s)
+	if es != "" {
+		msg, field := getFields(es, false, args...)
+		l.logger.Warn(msg, field...)
+	}
+	return e
+}
+func (l *LogX) Error(s interface{}, args ...interface{}) error {
+	es, e := checkErr(s)
+	if es != "" {
+		msg, field := getFields(es, false, args...)
+		l.logger.Error(msg, field...)
+	}
+	return e
+}
+func (l *LogX) DPanic(s interface{}, args ...interface{}) error {
+	es, e := checkErr(s)
+	if es != "" {
+		msg, field := getFields(es, false, args...)
+		l.logger.DPanic(msg, field...)
+	}
+	return e
+}
+func (l *LogX) Panic(s interface{}, args ...interface{}) error {
+	es, e := checkErr(s)
+	if es != "" {
+		msg, field := getFields(es, false, args...)
+		l.logger.Panic(msg, field...)
+	}
+	return e
+}
+func (l *LogX) Fatal(s interface{}, args ...interface{}) error {
+	es, e := checkErr(s)
+	if es != "" {
+		msg, field := getFields(es, false, args...)
+		l.logger.Fatal(msg, field...)
+	}
+	return e
+}
+
+func checkErr(s interface{}) (string, error) {
+	switch e := s.(type) {
+	case error:
+		return e.Error(), e
+	case string:
+		return e, errors.New(e)
+	case []byte:
+		return string(e), nil
+	default:
+		return "", nil
+	}
+}
+
+func (l *LogX) LogError(err error) error {
+	return l.Error(err.Error())
+}
+
+func (l *LogX) Debugf(msg string, args ...interface{}) error {
+	s, f := getFields(msg, true, args...)
+	l.logger.Debug(s, f...)
+	return errors.New(s)
+}
+
+func (l *LogX) Infof(msg string, args ...interface{}) error {
+	s, f := getFields(msg, true, args...)
+	l.logger.Info(s, f...)
+	return errors.New(s)
+}
+
+func (l *LogX) Warnf(msg string, args ...interface{}) error {
+	s, f := getFields(msg, true, args...)
+	l.logger.Warn(s, f...)
+	return errors.New(s)
+}
+
+func (l *LogX) Errorf(msg string, args ...interface{}) error {
+	s, f := getFields(msg, true, args...)
+	l.logger.Error(s, f...)
+	return errors.New(s)
+}
+
+func (l *LogX) DPanicf(msg string, args ...interface{}) error {
+	s, f := getFields(msg, true, args...)
+	l.logger.DPanic(s, f...)
+	return errors.New(s)
+}
+
+func (l *LogX) Panicf(msg string, args ...interface{}) error {
+	s, f := getFields(msg, true, args...)
+	l.logger.Panic(s, f...)
+	return errors.New(s)
+}
+
+func (l *LogX) Fatalf(msg string, args ...interface{}) error {
+	s, f := getFields(msg, true, args...)
+	l.logger.Fatal(s, f...)
+	return errors.New(s)
+}
+
+func AnyToString(raw interface{}) string {
+	switch i := raw.(type) {
+	case []byte:
+		return string(i)
+	case int:
+		return strconv.FormatInt(int64(i), 10)
+	case int64:
+		return strconv.FormatInt(i, 10)
+	case float32:
+		return strconv.FormatFloat(float64(i), 'f', 2, 64)
+	case float64:
+		return strconv.FormatFloat(i, 'f', 2, 64)
+	case uint:
+		return strconv.FormatInt(int64(i), 10)
+	case uint8:
+		return strconv.FormatInt(int64(i), 10)
+	case uint16:
+		return strconv.FormatInt(int64(i), 10)
+	case uint32:
+		return strconv.FormatInt(int64(i), 10)
+	case uint64:
+		return strconv.FormatInt(int64(i), 10)
+	case int8:
+		return strconv.FormatInt(int64(i), 10)
+	case int16:
+		return strconv.FormatInt(int64(i), 10)
+	case int32:
+		return strconv.FormatInt(int64(i), 10)
+	case string:
+		return i
+	case error:
+		return i.Error()
+	}
+	return fmt.Sprintf("%#v", raw)
+}

utils/map_and_struct.go

@@ -0,0 +1,341 @@
+package utils
+
+import (
+	"encoding/json"
+	"fmt"
+	"reflect"
+	"strconv"
+	"strings"
+)
+
+func Map2Struct(vals map[string]interface{}, dst interface{}) (err error) {
+	return Map2StructByTag(vals, dst, "json")
+}
+
+func Map2StructByTag(vals map[string]interface{}, dst interface{}, structTag string) (err error) {
+	defer func() {
+		e := recover()
+		if e != nil {
+			if v, ok := e.(error); ok {
+				err = fmt.Errorf("Panic: %v", v.Error())
+			} else {
+				err = fmt.Errorf("Panic: %v", e)
+			}
+		}
+	}()
+
+	pt := reflect.TypeOf(dst)
+	pv := reflect.ValueOf(dst)
+
+	if pv.Kind() != reflect.Ptr || pv.Elem().Kind() != reflect.Struct {
+		return fmt.Errorf("not a pointer of struct")
+	}
+
+	var f reflect.StructField
+	var ft reflect.Type
+	var fv reflect.Value
+
+	for i := 0; i < pt.Elem().NumField(); i++ {
+		f = pt.Elem().Field(i)
+		fv = pv.Elem().Field(i)
+		ft = f.Type
+
+		if f.Anonymous || !fv.CanSet() {
+			continue
+		}
+
+		tag := f.Tag.Get(structTag)
+
+		name, option := parseTag(tag)
+
+		if name == "-" {
+			continue
+		}
+
+		if name == "" {
+			name = strings.ToLower(f.Name)
+		}
+		val, ok := vals[name]
+
+		if !ok {
+			if option == "required" {
+				return fmt.Errorf("'%v' not found", name)
+			}
+			if len(option) != 0 {
+				val = option // default value
+			} else {
+				//fv.Set(reflect.Zero(ft)) // TODO set zero value or just ignore it?
+				continue
+			}
+		}
+
+		// convert or set value to field
+		vv := reflect.ValueOf(val)
+		vt := reflect.TypeOf(val)
+
+		if vt.Kind() != reflect.String {
+			// try to assign and convert
+			if vt.AssignableTo(ft) {
+				fv.Set(vv)
+				continue
+			}
+
+			if vt.ConvertibleTo(ft) {
+				fv.Set(vv.Convert(ft))
+				continue
+			}
+
+			return fmt.Errorf("value type not match: field=%v(%v) value=%v(%v)", f.Name, ft.Kind(), val, vt.Kind())
+		}
+		s := strings.TrimSpace(vv.String())
+		if len(s) == 0 && option == "required" {
+			return fmt.Errorf("value of required argument can't not be empty")
+		}
+		fk := ft.Kind()
+
+		// convert string to value
+		if fk == reflect.Ptr && ft.Elem().Kind() == reflect.String {
+			fv.Set(reflect.ValueOf(&s))
+			continue
+		}
+		if fk == reflect.Ptr || fk == reflect.Struct {
+			err = convertJsonValue(s, name, fv)
+		} else if fk == reflect.Slice {
+			err = convertSlice(s, f.Name, ft, fv)
+		} else {
+			err = convertValue(fk, s, f.Name, fv)
+		}
+
+		if err != nil {
+			return err
+		}
+		continue
+	}
+
+	return nil
+}
+
+func Struct2Map(s interface{}) map[string]interface{} {
+	return Struct2MapByTag(s, "json")
+}
+func Struct2MapByTag(s interface{}, tagName string) map[string]interface{} {
+	t := reflect.TypeOf(s)
+	v := reflect.ValueOf(s)
+
+	if v.Kind() == reflect.Ptr && v.Elem().Kind() == reflect.Struct {
+		t = t.Elem()
+		v = v.Elem()
+	}
+
+	if v.Kind() != reflect.Struct {
+		return nil
+	}
+
+	m := make(map[string]interface{})
+
+	for i := 0; i < t.NumField(); i++ {
+		fv := v.Field(i)
+		ft := t.Field(i)
+
+		if !fv.CanInterface() {
+			continue
+		}
+
+		if ft.PkgPath != "" { // unexported
+			continue
+		}
+
+		var name string
+		var option string
+		tag := ft.Tag.Get(tagName)
+		if tag != "" {
+			ts := strings.Split(tag, ",")
+			if len(ts) == 1 {
+				name = ts[0]
+			} else if len(ts) > 1 {
+				name = ts[0]
+				option = ts[1]
+			}
+			if name == "-" {
+				continue // skip this field
+			}
+			if name == "" {
+				name = strings.ToLower(ft.Name)
+			}
+			if option == "omitempty" {
+				if isEmpty(&fv) {
+					continue // skip empty field
+				}
+			}
+		} else {
+			name = strings.ToLower(ft.Name)
+		}
+
+		if ft.Anonymous && fv.Kind() == reflect.Ptr && fv.IsNil() {
+			continue
+		}
+		if (ft.Anonymous && fv.Kind() == reflect.Struct) ||
+			(ft.Anonymous && fv.Kind() == reflect.Ptr && fv.Elem().Kind() == reflect.Struct) {
+
+			// embedded struct
+			embedded := Struct2MapByTag(fv.Interface(), tagName)
+			for embName, embValue := range embedded {
+				m[embName] = embValue
+			}
+		} else if option == "string" {
+			kind := fv.Kind()
+			if kind == reflect.Int || kind == reflect.Int8 || kind == reflect.Int16 || kind == reflect.Int32 || kind == reflect.Int64 {
+				m[name] = strconv.FormatInt(fv.Int(), 10)
+			} else if kind == reflect.Uint || kind == reflect.Uint8 || kind == reflect.Uint16 || kind == reflect.Uint32 || kind == reflect.Uint64 {
+				m[name] = strconv.FormatUint(fv.Uint(), 10)
+			} else if kind == reflect.Float32 || kind == reflect.Float64 {
+				m[name] = strconv.FormatFloat(fv.Float(), 'f', 2, 64)
+			} else {
+				m[name] = fv.Interface()
+			}
+		} else {
+			m[name] = fv.Interface()
+		}
+	}
+
+	return m
+}
+
+func isEmpty(v *reflect.Value) bool {
+	k := v.Kind()
+	if k == reflect.Bool {
+		return v.Bool() == false
+	} else if reflect.Int < k && k < reflect.Int64 {
+		return v.Int() == 0
+	} else if reflect.Uint < k && k < reflect.Uintptr {
+		return v.Uint() == 0
+	} else if k == reflect.Float32 || k == reflect.Float64 {
+		return v.Float() == 0
+	} else if k == reflect.Array || k == reflect.Map || k == reflect.Slice || k == reflect.String {
+		return v.Len() == 0
+	} else if k == reflect.Interface || k == reflect.Ptr {
+		return v.IsNil()
+	}
+	return false
+}
+
+func convertSlice(s string, name string, ft reflect.Type, fv reflect.Value) error {
+	var err error
+	et := ft.Elem()
+
+	if et.Kind() == reflect.Ptr || et.Kind() == reflect.Struct {
+		return convertJsonValue(s, name, fv)
+	}
+
+	ss := strings.Split(s, ",")
+
+	if len(s) == 0 || len(ss) == 0 {
+		return nil
+	}
+
+	fs := reflect.MakeSlice(ft, 0, len(ss))
+
+	for _, si := range ss {
+		ev := reflect.New(et).Elem()
+
+		err = convertValue(et.Kind(), si, name, ev)
+		if err != nil {
+			return err
+		}
+		fs = reflect.Append(fs, ev)
+	}
+
+	fv.Set(fs)
+
+	return nil
+}
+
+func convertJsonValue(s string, name string, fv reflect.Value) error {
+	var err error
+	d := StringToSlice(s)
+
+	if fv.Kind() == reflect.Ptr {
+		if fv.IsNil() {
+			fv.Set(reflect.New(fv.Type().Elem()))
+		}
+	} else {
+		fv = fv.Addr()
+	}
+
+	err = json.Unmarshal(d, fv.Interface())
+
+	if err != nil {
+		return fmt.Errorf("invalid json '%v': %v, %v", name, err.Error(), s)
+	}
+
+	return nil
+}
+
+func convertValue(kind reflect.Kind, s string, name string, fv reflect.Value) error {
+	if !fv.CanAddr() {
+		return fmt.Errorf("can not addr: %v", name)
+	}
+
+	if kind == reflect.String {
+		fv.SetString(s)
+		return nil
+	}
+
+	if kind == reflect.Bool {
+		switch s {
+		case "true":
+			fv.SetBool(true)
+		case "false":
+			fv.SetBool(false)
+		case "1":
+			fv.SetBool(true)
+		case "0":
+			fv.SetBool(false)
+		default:
+			return fmt.Errorf("invalid bool: %v value=%v", name, s)
+		}
+		return nil
+	}
+
+	if reflect.Int <= kind && kind <= reflect.Int64 {
+		i, err := strconv.ParseInt(s, 10, 64)
+		if err != nil {
+			return fmt.Errorf("invalid int: %v value=%v", name, s)
+		}
+		fv.SetInt(i)
+
+	} else if reflect.Uint <= kind && kind <= reflect.Uint64 {
+		i, err := strconv.ParseUint(s, 10, 64)
+		if err != nil {
+			return fmt.Errorf("invalid int: %v value=%v", name, s)
+		}
+		fv.SetUint(i)
+
+	} else if reflect.Float32 == kind || kind == reflect.Float64 {
+		i, err := strconv.ParseFloat(s, 64)
+
+		if err != nil {
+			return fmt.Errorf("invalid float: %v value=%v", name, s)
+		}
+
+		fv.SetFloat(i)
+	} else {
+		// not support or just ignore it?
+		// return fmt.Errorf("type not support: field=%v(%v) value=%v(%v)", name, ft.Kind(), val, vt.Kind())
+	}
+	return nil
+}
+
+func parseTag(tag string) (string, string) {
+	tags := strings.Split(tag, ",")
+
+	if len(tags) <= 0 {
+		return "", ""
+	}
+
+	if len(tags) == 1 {
+		return tags[0], ""
+	}
+
+	return tags[0], tags[1]
+}

utils/md5.go

@@ -0,0 +1,12 @@
+package utils
+
+import (
+	"crypto/md5"
+	"encoding/hex"
+)
+
+func Md5(str string) string {
+	h := md5.New()
+	h.Write([]byte(str))
+	return hex.EncodeToString(h.Sum(nil))
+}

utils/qrcode/decodeFile.go

@@ -0,0 +1,33 @@
+package qrcode
+
+import (
+	"image"
+	_ "image/jpeg"
+	_ "image/png"
+	"os"
+
+	"github.com/makiuchi-d/gozxing"
+	"github.com/makiuchi-d/gozxing/qrcode"
+)
+
+func DecodeFile(fi string) (string, error) {
+	file, err := os.Open(fi)
+	if err != nil {
+		return "", err
+	}
+	img, _, err := image.Decode(file)
+	if err != nil {
+		return "", err
+	}
+	// prepare BinaryBitmap
+	bmp, err := gozxing.NewBinaryBitmapFromImage(img)
+	if err != nil {
+		return "", err
+	}
+	// decode image
+	result, err := qrcode.NewQRCodeReader().Decode(bmp, nil)
+	if err != nil {
+		return "", err
+	}
+	return result.String(), nil
+}

utils/qrcode/getBase64.go

@@ -0,0 +1,55 @@
+package qrcode
+
+// 生成登录二维码图片, 方便在网页上显示
+
+import (
+	"bytes"
+	"encoding/base64"
+	"image/jpeg"
+	"image/png"
+	"io/ioutil"
+	"net/http"
+
+	"github.com/boombuler/barcode"
+	"github.com/boombuler/barcode/qr"
+)
+
+func GetJPGBase64(content string, edges ...int) string {
+	edgeLen := 300
+	if len(edges) > 0 && edges[0] > 100 && edges[0] < 2000 {
+		edgeLen = edges[0]
+	}
+	img, _ := qr.Encode(content, qr.L, qr.Unicode)
+	img, _ = barcode.Scale(img, edgeLen, edgeLen)
+
+	emptyBuff := bytes.NewBuffer(nil) // 开辟一个新的空buff缓冲区
+	jpeg.Encode(emptyBuff, img, nil)
+	dist := make([]byte, 50000)                        // 开辟存储空间
+	base64.StdEncoding.Encode(dist, emptyBuff.Bytes()) // buff转成base64
+	return "data:image/png;base64," + string(dist)     // 输出图片base64(type = []byte)
+}
+
+func GetPNGBase64(content string, edges ...int) string {
+	edgeLen := 300
+	if len(edges) > 0 && edges[0] > 100 && edges[0] < 2000 {
+		edgeLen = edges[0]
+	}
+	img, _ := qr.Encode(content, qr.L, qr.Unicode)
+	img, _ = barcode.Scale(img, edgeLen, edgeLen)
+
+	emptyBuff := bytes.NewBuffer(nil) // 开辟一个新的空buff缓冲区
+	png.Encode(emptyBuff, img)
+	dist := make([]byte, 50000)                        // 开辟存储空间
+	base64.StdEncoding.Encode(dist, emptyBuff.Bytes()) // buff转成base64
+	return string(dist)                                // 输出图片base64(type = []byte)
+}
+func GetFileBase64(content string) string {
+	res, err := http.Get(content)
+	if err != nil {
+		return ""
+	}
+	defer res.Body.Close()
+	data, _ := ioutil.ReadAll(res.Body)
+	imageBase64 := base64.StdEncoding.EncodeToString(data)
+	return imageBase64
+}

utils/qrcode/saveFile.go

@@ -0,0 +1,85 @@
+package qrcode
+
+// 生成登录二维码图片
+
+import (
+	"errors"
+	"image"
+	"image/jpeg"
+	"image/png"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/boombuler/barcode"
+	"github.com/boombuler/barcode/qr"
+)
+
+func SaveJpegFile(filePath, content string, edges ...int) error {
+	edgeLen := 300
+	if len(edges) > 0 && edges[0] > 100 && edges[0] < 2000 {
+		edgeLen = edges[0]
+	}
+	img, _ := qr.Encode(content, qr.L, qr.Unicode)
+	img, _ = barcode.Scale(img, edgeLen, edgeLen)
+
+	return writeFile(filePath, img, "jpg")
+}
+
+func SavePngFile(filePath, content string, edges ...int) error {
+	edgeLen := 300
+	if len(edges) > 0 && edges[0] > 100 && edges[0] < 2000 {
+		edgeLen = edges[0]
+	}
+	img, _ := qr.Encode(content, qr.L, qr.Unicode)
+	img, _ = barcode.Scale(img, edgeLen, edgeLen)
+
+	return writeFile(filePath, img, "png")
+}
+
+func writeFile(filePath string, img image.Image, format string) error {
+	if err := createDir(filePath); err != nil {
+		return err
+	}
+	file, err := os.Create(filePath)
+	defer file.Close()
+	if err != nil {
+		return err
+	}
+	switch strings.ToLower(format) {
+	case "png":
+		err = png.Encode(file, img)
+		break
+	case "jpg":
+		err = jpeg.Encode(file, img, nil)
+	default:
+		return errors.New("format not accept")
+	}
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func createDir(filePath string) error {
+	var err error
+	// filePath, _ = filepath.Abs(filePath)
+	dirPath := filepath.Dir(filePath)
+	dirInfo, err := os.Stat(dirPath)
+	if err != nil {
+		if !os.IsExist(err) {
+			err = os.MkdirAll(dirPath, 0777)
+			if err != nil {
+				return err
+			}
+		} else {
+			return err
+		}
+	} else {
+		if dirInfo.IsDir() {
+			return nil
+		}
+		return errors.New("directory is a file")
+	}
+	return nil
+}

utils/qrcode/writeWeb.go

@@ -0,0 +1,39 @@
+package qrcode
+
+import (
+	"bytes"
+	"image/jpeg"
+	"image/png"
+	"net/http"
+
+	"github.com/boombuler/barcode"
+	"github.com/boombuler/barcode/qr"
+)
+
+func WritePng(w http.ResponseWriter, content string, edges ...int) error {
+	edgeLen := 300
+	if len(edges) > 0 && edges[0] > 100 && edges[0] < 2000 {
+		edgeLen = edges[0]
+	}
+	img, _ := qr.Encode(content, qr.L, qr.Unicode)
+	img, _ = barcode.Scale(img, edgeLen, edgeLen)
+	buff := bytes.NewBuffer(nil)
+	png.Encode(buff, img)
+	w.Header().Set("Content-Type", "image/png")
+	_, err := w.Write(buff.Bytes())
+	return err
+}
+
+func WriteJpg(w http.ResponseWriter, content string, edges ...int) error {
+	edgeLen := 300
+	if len(edges) > 0 && edges[0] > 100 && edges[0] < 2000 {
+		edgeLen = edges[0]
+	}
+	img, _ := qr.Encode(content, qr.L, qr.Unicode)
+	img, _ = barcode.Scale(img, edgeLen, edgeLen)
+	buff := bytes.NewBuffer(nil)
+	jpeg.Encode(buff, img, nil)
+	w.Header().Set("Content-Type", "image/jpg")
+	_, err := w.Write(buff.Bytes())
+	return err
+}

utils/rand.go

@@ -0,0 +1,46 @@
+package utils
+
+import (
+	crand "crypto/rand"
+	"fmt"
+	"math/big"
+	"math/rand"
+	"time"
+)
+
+func RandString(l int, c ...string) string {
+	var (
+		chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
+		str   string
+		num   *big.Int
+	)
+	if len(c) > 0 {
+		chars = c[0]
+	}
+	chrLen := int64(len(chars))
+	for len(str) < l {
+		num, _ = crand.Int(crand.Reader, big.NewInt(chrLen))
+		str += string(chars[num.Int64()])
+	}
+	return str
+}
+
+func RandNum() string {
+	seed := time.Now().UnixNano() + rand.Int63()
+	return fmt.Sprintf("%05v", rand.New(rand.NewSource(seed)).Int31n(1000000))
+}
+
+//x的y次方
+func RandPow(l int) string {
+	var i = "1"
+	for j := 0; j < l; j++ {
+		i += "0"
+	}
+	k := StrToInt64(i)
+	n := rand.New(rand.NewSource(time.Now().UnixNano())).Int63n(k)
+	ls := "%0" + IntToStr(l) + "v"
+	str := fmt.Sprintf(ls, n)
+	//min := int(math.Pow10(l - 1))
+	//max := int(math.Pow10(l) - 1)
+	return str
+}

utils/rsa.go

@@ -0,0 +1,170 @@
+package utils
+
+import (
+	"bytes"
+	"crypto/rand"
+	"crypto/rsa"
+	"crypto/x509"
+	"encoding/pem"
+	"errors"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os"
+)
+
+// 生成私钥文件 TODO 未指定路径
+func RsaKeyGen(bits int) error {
+	privateKey, err := rsa.GenerateKey(rand.Reader, bits)
+	if err != nil {
+		return err
+	}
+	derStream := x509.MarshalPKCS1PrivateKey(privateKey)
+	block := &pem.Block{
+		Type:  "RSA PRIVATE KEY",
+		Bytes: derStream,
+	}
+	priFile, err := os.Create("private.pem")
+	if err != nil {
+		return err
+	}
+	err = pem.Encode(priFile, block)
+	priFile.Close()
+	if err != nil {
+		return err
+	}
+	// 生成公钥文件
+	publicKey := &privateKey.PublicKey
+	derPkix, err := x509.MarshalPKIXPublicKey(publicKey)
+	if err != nil {
+		return err
+	}
+	block = &pem.Block{
+		Type:  "PUBLIC KEY",
+		Bytes: derPkix,
+	}
+	pubFile, err := os.Create("public.pem")
+	if err != nil {
+		return err
+	}
+	err = pem.Encode(pubFile, block)
+	pubFile.Close()
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+// 生成私钥文件, 返回 privateKey , publicKey, error
+func RsaKeyGenText(bits int) (string, string, error) { // bits 字节位 1024/2048
+	privateKey, err := rsa.GenerateKey(rand.Reader, bits)
+	if err != nil {
+		return "", "", err
+	}
+	derStream := x509.MarshalPKCS1PrivateKey(privateKey)
+	block := &pem.Block{
+		Type:  "RSA PRIVATE KEY",
+		Bytes: derStream,
+	}
+	priBuff := bytes.NewBuffer(nil)
+	err = pem.Encode(priBuff, block)
+	if err != nil {
+		return "", "", err
+	}
+	// 生成公钥文件
+	publicKey := &privateKey.PublicKey
+	derPkix, err := x509.MarshalPKIXPublicKey(publicKey)
+	if err != nil {
+		return "", "", err
+	}
+	block = &pem.Block{
+		Type:  "PUBLIC KEY",
+		Bytes: derPkix,
+	}
+	pubBuff := bytes.NewBuffer(nil)
+	err = pem.Encode(pubBuff, block)
+	if err != nil {
+		return "", "", err
+	}
+	return priBuff.String(), pubBuff.String(), nil
+}
+
+// 加密
+func RsaEncrypt(rawData, publicKey []byte) ([]byte, error) {
+	block, _ := pem.Decode(publicKey)
+	if block == nil {
+		return nil, errors.New("public key error")
+	}
+	pubInterface, err := x509.ParsePKIXPublicKey(block.Bytes)
+	if err != nil {
+		return nil, err
+	}
+	pub := pubInterface.(*rsa.PublicKey)
+	return rsa.EncryptPKCS1v15(rand.Reader, pub, rawData)
+}
+
+// 公钥加密
+func RsaEncrypts(data, keyBytes []byte) []byte {
+	//解密pem格式的公钥
+	block, _ := pem.Decode(keyBytes)
+	if block == nil {
+		panic(errors.New("public key error"))
+	}
+	// 解析公钥
+	pubInterface, err := x509.ParsePKIXPublicKey(block.Bytes)
+	if err != nil {
+		panic(err)
+	}
+	// 类型断言
+	pub := pubInterface.(*rsa.PublicKey)
+	//加密
+	ciphertext, err := rsa.EncryptPKCS1v15(rand.Reader, pub, data)
+	if err != nil {
+		panic(err)
+	}
+	return ciphertext
+}
+
+// 解密
+func RsaDecrypt(cipherText, privateKey []byte) ([]byte, error) {
+	block, _ := pem.Decode(privateKey)
+	if block == nil {
+		return nil, errors.New("private key error")
+	}
+	priv, err := x509.ParsePKCS1PrivateKey(block.Bytes)
+	if err != nil {
+		return nil, err
+	}
+	return rsa.DecryptPKCS1v15(rand.Reader, priv, cipherText)
+}
+
+// 从证书获取公钥
+func OpensslPemGetPublic(pathOrString string) (interface{}, error) {
+	var certPem []byte
+	var err error
+	if IsFile(pathOrString) && Exists(pathOrString) {
+		certPem, err = ioutil.ReadFile(pathOrString)
+		if err != nil {
+			return nil, err
+		}
+		if string(certPem) == "" {
+			return nil, errors.New("empty pem file")
+		}
+	} else {
+		if pathOrString == "" {
+			return nil, errors.New("empty pem string")
+		}
+		certPem = StringToSlice(pathOrString)
+	}
+	block, rest := pem.Decode(certPem)
+	if block == nil || block.Type != "PUBLIC KEY" {
+		//log.Fatal("failed to decode PEM block containing public key")
+		return nil, errors.New("failed to decode PEM block containing public key")
+	}
+	pub, err := x509.ParsePKIXPublicKey(block.Bytes)
+	if err != nil {
+		log.Fatal(err)
+	}
+	fmt.Printf("Got a %T, with remaining data: %q", pub, rest)
+	return pub, nil
+}

utils/serialize.go

@@ -0,0 +1,23 @@
+package utils
+
+import (
+	"encoding/json"
+)
+
+func Serialize(data interface{}) []byte {
+	res, err := json.Marshal(data)
+	if err != nil {
+		return []byte{}
+	}
+	return res
+}
+
+func Unserialize(b []byte, dst interface{}) {
+	if err := json.Unmarshal(b, dst); err != nil {
+		dst = nil
+	}
+}
+
+func SerializeStr(data interface{}, arg ...interface{}) string {
+	return string(Serialize(data))
+}

utils/shuffle.go

@@ -0,0 +1,48 @@
+package utils
+
+import (
+	"math/rand"
+	"time"
+)
+
+// 打乱随机字符串
+func ShuffleString(s *string) {
+	if len(*s) > 1 {
+		b := []byte(*s)
+		rand.Seed(time.Now().UnixNano())
+		rand.Shuffle(len(b), func(x, y int) {
+			b[x], b[y] = b[y], b[x]
+		})
+		*s = string(b)
+	}
+}
+
+// 打乱随机slice
+func ShuffleSliceBytes(b []byte) {
+	if len(b) > 1 {
+		rand.Seed(time.Now().UnixNano())
+		rand.Shuffle(len(b), func(x, y int) {
+			b[x], b[y] = b[y], b[x]
+		})
+	}
+}
+
+// 打乱slice int
+func ShuffleSliceInt(i []int) {
+	if len(i) > 1 {
+		rand.Seed(time.Now().UnixNano())
+		rand.Shuffle(len(i), func(x, y int) {
+			i[x], i[y] = i[y], i[x]
+		})
+	}
+}
+
+// 打乱slice interface
+func ShuffleSliceInterface(i []interface{}) {
+	if len(i) > 1 {
+		rand.Seed(time.Now().UnixNano())
+		rand.Shuffle(len(i), func(x, y int) {
+			i[x], i[y] = i[y], i[x]
+		})
+	}
+}

utils/sign_check.go

@@ -0,0 +1,129 @@
+package utils
+
+import (
+	"code.fnuoos.com/go_rely_warehouse/zyos_go_tool.git/utils/logx"
+	"fmt"
+	"github.com/forgoer/openssl"
+	"github.com/gin-gonic/gin"
+	"github.com/syyongx/php2go"
+	"strings"
+)
+
+var publicKey = []byte(`-----BEGIN PUBLIC KEY-----
+MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCFQD7RL2tDNuwdg0jTfV0zjAzh
+WoCWfGrcNiucy2XUHZZU2oGhHv1N10qu3XayTDD4pu4sJ73biKwqR6ZN7IS4Sfon
+vrzaXGvrTG4kmdo3XrbrkzmyBHDLTsJvv6pyS2HPl9QPSvKDN0iJ66+KN8QjBpw1
+FNIGe7xbDaJPY733/QIDAQAB
+-----END PUBLIC KEY-----`)
+
+var privateKey = []byte(`-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----`)
+
+func GetApiVersion(c *gin.Context) int {
+	var apiVersion = c.GetHeader("apiVersion")
+	if StrToInt(apiVersion) == 0 { //没有版本号先不校验
+		apiVersion = c.GetHeader("Apiversion")
+	}
+	if StrToInt(apiVersion) == 0 { //没有版本号先不校验
+		apiVersion = c.GetHeader("api_version")
+	}
+	return StrToInt(apiVersion)
+}
+
+//签名校验
+func SignCheck(c *gin.Context) bool {
+	var apiVersion = GetApiVersion(c)
+	if apiVersion == 0 { //没有版本号先不校验
+		return true
+	}
+	//1.通过rsa 解析出 aes
+	var key = c.GetHeader("key")
+
+	//拼接对应参数
+	var uri = c.Request.RequestURI
+	var query = GetQueryParam(uri)
+	fmt.Println(query)
+	query["timestamp"] = c.GetHeader("timestamp")
+	query["nonce"] = c.GetHeader("nonce")
+	query["key"] = key
+	token := c.GetHeader("Authorization")
+	if token != "" {
+		// 按空格分割
+		parts := strings.SplitN(token, " ", 2)
+		if len(parts) == 2 && parts[0] == "Bearer" {
+			token = parts[1]
+		}
+	}
+	query["token"] = token
+	//2.query参数按照 ASCII 码从小到大排序
+	str := JoinStringsInASCII(query, "&", false, false, "")
+	//3.拼上密钥
+	secret := ""
+	if InArr(c.GetHeader("platform"), []string{"android", "ios"}) {
+		secret = c.GetString("app_api_secret_key")
+	} else if c.GetHeader("platform") == "wap" {
+		secret = c.GetString("h5_api_secret_key")
+	} else {
+		secret = c.GetString("applet_api_secret_key")
+	}
+
+	str = fmt.Sprintf("%s&secret=%s", str, secret)
+	fmt.Println(str)
+	//4.md5加密 转小写
+	sign := strings.ToLower(Md5(str))
+	//5.判断跟前端传来的sign是否一致
+	if sign != c.GetHeader("sign") {
+		return false
+	}
+	return true
+}
+
+func ResultAes(c *gin.Context, raw []byte) string {
+	var key = c.GetHeader("key")
+	base, _ := php2go.Base64Decode(key)
+	aes, err := RsaDecrypt([]byte(base), privateKey)
+	if err != nil {
+		logx.Info(err)
+		return ""
+	}
+	fmt.Println("============aes============")
+	fmt.Println(string(aes))
+	fmt.Println(string(raw))
+	str, _ := openssl.AesECBEncrypt(raw, aes, openssl.PKCS7_PADDING)
+	value := php2go.Base64Encode(string(str))
+	fmt.Println(value)
+
+	return value
+}
+
+func ResultAesDecrypt(c *gin.Context, raw string) string {
+	var key = c.GetHeader("key")
+	base, _ := php2go.Base64Decode(key)
+	aes, err := RsaDecrypt([]byte(base), privateKey)
+	if err != nil {
+		logx.Info(err)
+		return ""
+	}
+	fmt.Println(raw)
+	value1, _ := php2go.Base64Decode(raw)
+	if value1 == "" {
+		return ""
+	}
+	str1, _ := openssl.AesECBDecrypt([]byte(value1), aes, openssl.PKCS7_PADDING)
+	fmt.Println("==========解码=========")
+	fmt.Println(string(str1))
+	return string(str1)
+}

utils/slice.go

@@ -0,0 +1,13 @@
+package utils
+
+// ContainsString is 字符串是否包含在字符串切片里
+func ContainsString(array []string, val string) (index int) {
+	index = -1
+	for i := 0; i < len(array); i++ {
+		if array[i] == val {
+			index = i
+			return
+		}
+	}
+	return
+}

utils/slice_and_string.go

@@ -0,0 +1,47 @@
+package utils
+
+import (
+	"fmt"
+	"reflect"
+	"strings"
+	"unsafe"
+)
+
+// string与slice互转,零copy省内存
+
+// zero copy to change slice to string
+func Slice2String(b []byte) (s string) {
+	pBytes := (*reflect.SliceHeader)(unsafe.Pointer(&b))
+	pString := (*reflect.StringHeader)(unsafe.Pointer(&s))
+	pString.Data = pBytes.Data
+	pString.Len = pBytes.Len
+	return
+}
+
+// no copy to change string to slice
+func StringToSlice(s string) (b []byte) {
+	pBytes := (*reflect.SliceHeader)(unsafe.Pointer(&b))
+	pString := (*reflect.StringHeader)(unsafe.Pointer(&s))
+	pBytes.Data = pString.Data
+	pBytes.Len = pString.Len
+	pBytes.Cap = pString.Len
+	return
+}
+
+// 任意slice合并
+func SliceJoin(sep string, elems ...interface{}) string {
+	l := len(elems)
+	if l == 0 {
+		return ""
+	}
+	if l == 1 {
+		s := fmt.Sprint(elems[0])
+		sLen := len(s) - 1
+		if s[0] == '[' && s[sLen] == ']' {
+			return strings.Replace(s[1:sLen], " ", sep, -1)
+		}
+		return s
+	}
+	sep = strings.Replace(fmt.Sprint(elems), " ", sep, -1)
+	return sep[1 : len(sep)-1]
+}

utils/string.go

@@ -0,0 +1,181 @@
+package utils
+
+import (
+	"fmt"
+	"github.com/syyongx/php2go"
+	"reflect"
+	"regexp"
+	"sort"
+	"strings"
+	"unicode"
+)
+
+func Implode(glue string, args ...interface{}) string {
+	data := make([]string, len(args))
+	for i, s := range args {
+		data[i] = fmt.Sprint(s)
+	}
+	return strings.Join(data, glue)
+}
+
+//字符串是否在数组里
+func InArr(target string, strArray []string) bool {
+	for _, element := range strArray {
+		if target == element {
+			return true
+		}
+	}
+	return false
+}
+
+//把数组的值放到key里
+func ArrayColumn(array interface{}, key string) (result map[string]interface{}, err error) {
+	result = make(map[string]interface{})
+	t := reflect.TypeOf(array)
+	v := reflect.ValueOf(array)
+	if t.Kind() != reflect.Slice {
+		return nil, nil
+	}
+	if v.Len() == 0 {
+		return nil, nil
+	}
+	for i := 0; i < v.Len(); i++ {
+		indexv := v.Index(i)
+		if indexv.Type().Kind() != reflect.Struct {
+			return nil, nil
+		}
+		mapKeyInterface := indexv.FieldByName(key)
+		if mapKeyInterface.Kind() == reflect.Invalid {
+			return nil, nil
+		}
+		mapKeyString, err := InterfaceToString(mapKeyInterface.Interface())
+		if err != nil {
+			return nil, err
+		}
+		result[mapKeyString] = indexv.Interface()
+	}
+	return result, err
+}
+
+//转string
+func InterfaceToString(v interface{}) (result string, err error) {
+	switch reflect.TypeOf(v).Kind() {
+	case reflect.Int64, reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32:
+		result = fmt.Sprintf("%v", v)
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+		result = fmt.Sprintf("%v", v)
+	case reflect.String:
+		result = v.(string)
+	default:
+		err = nil
+	}
+	return result, err
+}
+
+func HideTrueName(name string) string {
+	res := "**"
+	if name != "" {
+		runs := []rune(name)
+		leng := len(runs)
+		if leng <= 3 {
+			res = string(runs[0:1]) + res
+		} else if leng < 5 {
+			res = string(runs[0:2]) + res
+		} else if leng < 10 {
+			res = string(runs[0:2]) + "***" + string(runs[leng-2:leng])
+		} else if leng < 16 {
+			res = string(runs[0:3]) + "****" + string(runs[leng-3:leng])
+		} else {
+			res = string(runs[0:4]) + "*****" + string(runs[leng-4:leng])
+		}
+	}
+	return res
+}
+
+//是否有中文
+func IsChineseChar(str string) bool {
+	for _, r := range str {
+		if unicode.Is(unicode.Scripts["Han"], r) || (regexp.MustCompile("[\u3002\uff1b\uff0c\uff1a\u201c\u201d\uff08\uff09\u3001\uff1f\u300a\u300b]").MatchString(string(r))) {
+			return true
+		}
+	}
+	return false
+}
+
+//清空前面是0的
+func LeadZeros(str string) string {
+	bytes := []byte(str)
+	var index int
+	for i, b := range bytes {
+		if b != byte(48) {
+			index = i
+			break
+		}
+	}
+	i := bytes[index:len(bytes)]
+	return string(i)
+}
+func GetQueryParam(uri string) map[string]string {
+	//根据问号分割路由还是query参数
+	uriList := strings.Split(uri, "?")
+	var query = make(map[string]string, 0)
+	//有参数才处理
+	if len(uriList) == 2 {
+		//分割query参数
+		var queryList = strings.Split(uriList[1], "&")
+		if len(queryList) > 0 {
+			//key value 分别赋值
+			for _, v := range queryList {
+				var valueList = strings.Split(v, "=")
+				if len(valueList) == 2 {
+					value, _ := php2go.URLDecode(valueList[1])
+					if value == "" {
+						value = valueList[1]
+					}
+					query[valueList[0]] = value
+				}
+			}
+		}
+	}
+	return query
+}
+
+//JoinStringsInASCII 按照规则，参数名ASCII码从小到大排序后拼接
+//data 待拼接的数据
+//sep 连接符
+//onlyValues 是否只包含参数值，true则不包含参数名，否则参数名和参数值均有
+//includeEmpty 是否包含空值，true则包含空值，否则不包含，注意此参数不影响参数名的存在
+//exceptKeys 被排除的参数名，不参与排序及拼接
+func JoinStringsInASCII(data map[string]string, sep string, onlyValues, includeEmpty bool, exceptKeys ...string) string {
+	var list []string
+	var keyList []string
+	m := make(map[string]int)
+	if len(exceptKeys) > 0 {
+		for _, except := range exceptKeys {
+			m[except] = 1
+		}
+	}
+	for k := range data {
+		if _, ok := m[k]; ok {
+			continue
+		}
+		value := data[k]
+		if !includeEmpty && value == "" {
+			continue
+		}
+		if onlyValues {
+			keyList = append(keyList, k)
+		} else {
+			list = append(list, fmt.Sprintf("%s=%s", k, value))
+		}
+	}
+	if onlyValues {
+		sort.Strings(keyList)
+		for _, v := range keyList {
+			list = append(list, AnyToString(data[v]))
+		}
+	} else {
+		sort.Strings(list)
+	}
+	return strings.Join(list, sep)
+}

utils/struct2UrlParams.go

@@ -0,0 +1,43 @@
+package utils
+
+import "sort"
+
+func Struct2UrlParams(obj interface{}) string {
+	var str = ""
+	mapVal := Struct2Map(obj)
+	var keys []string
+	for key := range mapVal {
+		keys = append(keys, key)
+	}
+	sort.Strings(keys)
+	for _, key := range keys {
+		str += key + "=" + AnyToString(mapVal[key]) + "&"
+	}
+	/*t := reflect.TypeOf(origin)
+	v := reflect.ValueOf(origin)
+
+	for i := 0; i < t.NumField(); i++ {
+		tag := strings.ToLower(t.Field(i).Tag.Get("json"))
+		if tag != "sign" {
+			switch v.Field(i).Kind(){
+			case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+				str += tag + "=" + utils.Int64ToStr(v.Field(i).Int()) + "&"
+				break
+			case reflect.String:
+				str += tag + "=" + v.Field(i).String() + "&"
+				break
+			case reflect.Bool:
+				str += tag + "=" + utils.BoolToStr(v.Field(i).Bool()) + "&"
+				break
+			case reflect.Float32, reflect.Float64:
+				str += tag + "=" + utils.Float64ToStr(v.Field(i).Float())
+				break
+			case reflect.Array, reflect.Struct, reflect.Slice:
+				str += ToUrlKeyValue(v.Field(i).Interface())
+			default:
+				break
+			}
+		}
+	}*/
+	return str
+}

utils/time.go

@@ -0,0 +1,208 @@
+package utils
+
+import (
+	"errors"
+	"fmt"
+	"strconv"
+	"strings"
+	"time"
+)
+
+func StrToTime(s string) (int64, error) {
+	// delete all not int characters
+	if s == "" {
+		return time.Now().Unix(), nil
+	}
+	r := make([]rune, 14)
+	l := 0
+	// 过滤除数字以外的字符
+	for _, v := range s {
+		if '0' <= v && v <= '9' {
+			r[l] = v
+			l++
+			if l == 14 {
+				break
+			}
+		}
+	}
+	for l < 14 {
+		r[l] = '0' // 补0
+		l++
+	}
+	t, err := time.Parse("20060102150405", string(r))
+	if err != nil {
+		return 0, err
+	}
+	return t.Unix(), nil
+}
+
+func TimeToStr(unixSecTime interface{}, layout ...string) string {
+	i := AnyToInt64(unixSecTime)
+	if i == 0 {
+		return ""
+	}
+	f := "2006-01-02 15:04:05"
+	if len(layout) > 0 {
+		f = layout[0]
+	}
+	return time.Unix(i, 0).Format(f)
+}
+
+func FormatNanoUnix() string {
+	return strings.Replace(time.Now().Format("20060102150405.0000000"), ".", "", 1)
+}
+
+func TimeParse(format, src string) (time.Time, error) {
+	return time.ParseInLocation(format, src, time.Local)
+}
+
+func TimeParseStd(src string) time.Time {
+	t, _ := TimeParse("2006-01-02 15:04:05", src)
+	return t
+}
+
+func TimeStdParseUnix(src string) int64 {
+	t, err := TimeParse("2006-01-02 15:04:05", src)
+	if err != nil {
+		return 0
+	}
+	return t.Unix()
+}
+
+// 获取一个当前时间 时间间隔 时间戳
+func GetTimeInterval(unit string, amount int) (startTime, endTime int64) {
+	t := time.Now()
+	nowTime := t.Unix()
+	tmpTime := int64(0)
+	switch unit {
+	case "years":
+		tmpTime = time.Date(t.Year()+amount, t.Month(), t.Day(), t.Hour(), 0, 0, 0, t.Location()).Unix()
+	case "months":
+		tmpTime = time.Date(t.Year(), t.Month()+time.Month(amount), t.Day(), t.Hour(), 0, 0, 0, t.Location()).Unix()
+	case "days":
+		tmpTime = time.Date(t.Year(), t.Month(), t.Day()+amount, t.Hour(), 0, 0, 0, t.Location()).Unix()
+	case "hours":
+		tmpTime = time.Date(t.Year(), t.Month(), t.Day(), t.Hour()+amount, 0, 0, 0, t.Location()).Unix()
+	}
+	if amount > 0 {
+		startTime = nowTime
+		endTime = tmpTime
+	} else {
+		startTime = tmpTime
+		endTime = nowTime
+	}
+	return
+}
+
+// 几天前
+func TimeInterval(newTime int) string {
+	now := time.Now().Unix()
+	newTime64 := AnyToInt64(newTime)
+	if newTime64 >= now {
+		return "刚刚"
+	}
+	interval := now - newTime64
+	switch {
+	case interval < 60:
+		return AnyToString(interval) + "秒前"
+	case interval < 60*60:
+		return AnyToString(interval/60) + "分前"
+	case interval < 60*60*24:
+		return AnyToString(interval/60/60) + "小时前"
+	case interval < 60*60*24*30:
+		return AnyToString(interval/60/60/24) + "天前"
+	case interval < 60*60*24*30*12:
+		return AnyToString(interval/60/60/24/30) + "月前"
+	default:
+		return AnyToString(interval/60/60/24/30/12) + "年前"
+	}
+}
+
+// 时分秒字符串转时间戳，传入示例：8:40 or 8:40:10
+func HmsToUnix(str string) (int64, error) {
+	t := time.Now()
+	arr := strings.Split(str, ":")
+	if len(arr) < 2 {
+		return 0, errors.New("Time format error")
+	}
+	h, _ := strconv.Atoi(arr[0])
+	m, _ := strconv.Atoi(arr[1])
+	s := 0
+	if len(arr) == 3 {
+		s, _ = strconv.Atoi(arr[3])
+	}
+	formatted1 := fmt.Sprintf("%d%02d%02d%02d%02d%02d", t.Year(), t.Month(), t.Day(), h, m, s)
+	res, err := time.ParseInLocation("20060102150405", formatted1, time.Local)
+	if err != nil {
+		return 0, err
+	} else {
+		return res.Unix(), nil
+	}
+}
+
+// 获取特定时间范围
+func GetTimeRange(s string) map[string]int64 {
+	t := time.Now()
+	var stime, etime time.Time
+	switch s {
+	case "today":
+		stime = time.Date(t.Year(), t.Month(), t.Day(), 0, 0, 0, 0, t.Location())
+		etime = time.Date(t.Year(), t.Month(), t.Day()+1, 0, 0, 0, 0, t.Location())
+	case "yesterday":
+		stime = time.Date(t.Year(), t.Month(), t.Day()-1, 0, 0, 0, 0, t.Location())
+		etime = time.Date(t.Year(), t.Month(), t.Day(), 0, 0, 0, 0, t.Location())
+	case "within_seven_days":
+		// 前6天0点
+		stime = time.Date(t.Year(), t.Month(), t.Day()-6, 0, 0, 0, 0, t.Location())
+		// 明天 0点
+		etime = time.Date(t.Year(), t.Month(), t.Day()+1, 0, 0, 0, 0, t.Location())
+	case "current_month":
+		stime = GetFirstDateOfMonth(t)
+		etime = time.Now()
+	case "last_month":
+		etime = GetFirstDateOfMonth(t)
+		monthTimes := TimeStdParseUnix(etime.Format("2006-01-02 15:04:05")) - 86400
+		times, _ := UnixToTime(Int64ToStr(monthTimes))
+		stime = GetFirstDateOfMonth(times)
+
+	}
+
+	return map[string]int64{
+		"start": stime.Unix(),
+		"end":   etime.Unix(),
+	}
+}
+
+//时间戳转时间格式
+func UnixToTime(e string) (datatime time.Time, err error) {
+	data, err := strconv.ParseInt(e, 10, 64)
+	datatime = time.Unix(data, 0)
+	return
+}
+
+//获取传入的时间所在月份的第一天，即某月第一天的0点。如传入time.Now(), 返回当前月份的第一天0点时间。
+func GetFirstDateOfMonth(d time.Time) time.Time {
+	d = d.AddDate(0, 0, -d.Day()+1)
+	return GetZeroTime(d)
+}
+
+//获取传入的时间所在月份的最后一天，即某月最后一天的0点。如传入time.Now(), 返回当前月份的最后一天0点时间。
+func GetLastDateOfMonth(d time.Time) time.Time {
+	return GetFirstDateOfMonth(d).AddDate(0, 1, -1)
+}
+
+//获取某一天的0点时间
+func GetZeroTime(d time.Time) time.Time {
+	return time.Date(d.Year(), d.Month(), d.Day(), 0, 0, 0, 0, d.Location())
+}
+
+//获取当月某天的某个时间的时间
+func GetDayToTime(day, timeStr string) string {
+	if timeStr == "" {
+		timeStr = "00:00:00"
+	}
+	year := time.Now().Year()
+	month := time.Now().Format("01")
+	times := fmt.Sprintf("%s-%s-%s %s", IntToStr(year), month, day, timeStr)
+	return times
+}

utils/translate.go

@@ -0,0 +1,109 @@
+package utils
+
+import (
+	"code.fnuoos.com/go_rely_warehouse/zyos_go_tool.git/utils/cache"
+	"encoding/json"
+	"github.com/gin-gonic/gin"
+	"github.com/go-creed/sat"
+	"strings"
+)
+
+func ReadReverse(c *gin.Context, str,WxappletFilepathURL string) string {
+	if c.GetString("translate_open") == "zh_Hant_" { //繁体先不改
+		sat.InitDefaultDict(sat.SetPath(WxappletFilepathURL + "/" + "sat.txt")) //使用自定义词库
+		sat := sat.DefaultDict()
+		res := sat.ReadReverse(str)
+		list := strings.Split(res, "http")
+		imgList := []string{".png", ".jpg", ".jpeg", ".gif"}
+		for _, v := range list {
+			for _, v1 := range imgList {
+				if strings.Contains(v, v1) { //判断是不是有图片 有图片就截取 替换简繁体
+					strs := strings.Split(v, v1)
+					if len(strs) > 0 {
+						oldStr := strs[0]
+						newStr := sat.Read(oldStr)
+						res = strings.ReplaceAll(res, oldStr, newStr)
+					}
+				}
+			}
+		}
+		return res
+	}
+	if c.GetString("translate_open") != "zh_Hant_" { //除了繁体，其他都走这里
+		//简体---其他语言
+		cTouString, err := cache.GetString("multi_language_c_to_" + c.GetString("translate_open"))
+		if err != nil {
+			return str
+		}
+		var cTou = make(map[string]string)
+		json.Unmarshal([]byte(cTouString), &cTou)
+		if len(cTou) == 0 {
+			return str
+		}
+		//其他语言--简体
+		getString1, err1 := cache.GetString("multi_language_" + c.GetString("translate_open") + "_to_c")
+		if err1 != nil {
+			return str
+		}
+		var uToc = make(map[string]string)
+		json.Unmarshal([]byte(getString1), &uToc)
+		if len(uToc) == 0 {
+			return str
+		}
+		res := str
+		for k, v := range cTou {
+			res = strings.ReplaceAll(res, k, v)
+		}
+		list := strings.Split(res, "http")
+		imgList := []string{".png", ".jpg", ".jpeg", ".gif"}
+		for _, v := range list {
+			for _, v1 := range imgList {
+				if strings.Contains(v, v1) { //判断是不是有图片 有图片就截取 替换简繁体
+					strs := strings.Split(v, v1)
+					if len(strs) > 0 {
+						oldStr := strs[0]
+						newStr := oldStr
+						for k2, v2 := range uToc {
+							newStr = strings.ReplaceAll(oldStr, k2, v2)
+						}
+						res = strings.ReplaceAll(res, oldStr, newStr)
+					}
+				}
+			}
+		}
+		return res
+	}
+	return str
+
+}
+
+func ReadReverse1(str, types string) string {
+	res := map[string]map[string]string{}
+	err := cache.GetJson("multi_language", &res)
+	if err != nil {
+		return str
+	}
+	for k, v := range res {
+		str = strings.ReplaceAll(str, k, v[types])
+	}
+	resStr := str
+	list := strings.Split(resStr, "http")
+	imgList := []string{".png", ".jpg", ".jpeg", ".gif"}
+	for _, v := range list {
+		for _, v1 := range imgList {
+			if strings.Contains(v, v1) { //判断是不是有图片 有图片就截取 替换简繁体
+				strs := strings.Split(v, v1)
+				if len(strs) > 0 {
+					oldStr := strs[0]
+					for k2, v2 := range res {
+						if v2[types] == oldStr {
+							resStr = strings.ReplaceAll(resStr, oldStr, k2)
+						}
+					}
+					//res = strings.ReplaceAll(res, oldStr, newStr)
+				}
+			}
+		}
+	}
+	return resStr
+}

utils/trim_html.go

@@ -0,0 +1,38 @@
+package utils
+
+import (
+	"regexp"
+	"strings"
+)
+
+func TrimHtml(src string) string {
+	re, _ := regexp.Compile("<[\\S\\s]+?>")
+	src = re.ReplaceAllStringFunc(src, strings.ToLower)
+
+	re, _ = regexp.Compile("<style[\\S\\s]+?</style>")
+	src = re.ReplaceAllString(src, "")
+
+	re, _ = regexp.Compile("<script[\\S\\s]+?</script>")
+	src = re.ReplaceAllString(src, "")
+
+	re, _ = regexp.Compile("<[\\S\\s]+?>")
+	src = re.ReplaceAllString(src, "\n")
+
+	re, _ = regexp.Compile("\\s{2,}")
+	src = re.ReplaceAllString(src, "\n")
+
+	return strings.TrimSpace(src)
+}
+
+func TrimScript(src string) string {
+	re, _ := regexp.Compile("<[\\S\\s]+?>")
+	src = re.ReplaceAllStringFunc(src, strings.ToLower)
+	re, _ = regexp.Compile("<script[\\S\\s]+?</script>")
+	src = re.ReplaceAllString(src, "")
+
+	re, _ = regexp.Compile("<script[\\S\\s]+?>")
+
+	src = re.ReplaceAllString(src, "")
+
+	return src
+}

utils/uuid.go

@@ -0,0 +1,61 @@
+package utils
+
+import (
+	"fmt"
+	"math/rand"
+	"time"
+)
+
+const (
+	KC_RAND_KIND_NUM   = 0 // 纯数字
+	KC_RAND_KIND_LOWER = 1 // 小写字母
+	KC_RAND_KIND_UPPER = 2 // 大写字母
+	KC_RAND_KIND_ALL   = 3 // 数字、大小写字母
+)
+
+func newUUID() *[16]byte {
+	u := &[16]byte{}
+	rand.Read(u[:16])
+	u[8] = (u[8] | 0x80) & 0xBf
+	u[6] = (u[6] | 0x40) & 0x4f
+	return u
+}
+
+func UUIDString() string {
+	u := newUUID()
+	return fmt.Sprintf("%x-%x-%x-%x-%x", u[:4], u[4:6], u[6:8], u[8:10], u[10:])
+}
+
+func UUIDHexString() string {
+	u := newUUID()
+	return fmt.Sprintf("%x%x%x%x%x", u[:4], u[4:6], u[6:8], u[8:10], u[10:])
+}
+func UUIDBinString() string {
+	u := newUUID()
+	return fmt.Sprintf("%s", [16]byte(*u))
+}
+
+func Krand(size int, kind int) []byte {
+	ikind, kinds, result := kind, [][]int{[]int{10, 48}, []int{26, 97}, []int{26, 65}}, make([]byte, size)
+	isAll := kind > 2 || kind < 0
+	rand.Seed(time.Now().UnixNano())
+	for i := 0; i < size; i++ {
+		if isAll { // random ikind
+			ikind = rand.Intn(3)
+		}
+		scope, base := kinds[ikind][0], kinds[ikind][1]
+		result[i] = uint8(base + rand.Intn(scope))
+	}
+	return result
+}
+
+// OrderUUID is only num for uuid
+func OrderUUID(uid int) string {
+	ustr := IntToStr(uid)
+	tstr := Int64ToStr(time.Now().Unix())
+	ulen := len(ustr)
+	tlen := len(tstr)
+	rlen := 18 - ulen - tlen
+	krb := Krand(rlen, KC_RAND_KIND_NUM)
+	return ustr + tstr + string(krb)
+}