更新

go.mod

@@ -3,12 +3,14 @@ module code.fnuoos.com/go_rely_warehouse/zyos_go_pay.git
 go 1.15
 
 require (
+	github.com/boombuler/barcode v1.0.1
 	github.com/forgoer/openssl v1.2.1
 	github.com/gin-gonic/gin v1.8.0
 	github.com/go-redis/redis v6.15.9+incompatible
 	github.com/go-sql-driver/mysql v1.6.0
 	github.com/gomodule/redigo v1.8.8
 	github.com/iGoogle-ink/gopay v1.5.36
+	github.com/makiuchi-d/gozxing v0.1.1
 	github.com/pkg/errors v0.9.1
 	github.com/shopspring/decimal v1.2.0
 	github.com/syyongx/php2go v0.9.7

lib/local_wechat/api.go

@@ -3,12 +3,14 @@ package local_wxpay
 import (
 	zhios_pay_utils "code.fnuoos.com/go_rely_warehouse/zyos_go_pay.git/utils"
 	"code.fnuoos.com/go_rely_warehouse/zyos_go_pay.git/utils/logx"
+	"code.fnuoos.com/go_rely_warehouse/zyos_go_pay.git/utils/qrcode"
 	"fmt"
 	"github.com/iGoogle-ink/gopay"
 	"github.com/iGoogle-ink/gopay/pkg/util"
 	"github.com/iGoogle-ink/gopay/wechat"
 	v3 "github.com/iGoogle-ink/gopay/wechat/v3"
 	"strconv"
+	"strings"
 	"time"
 )
 
@@ -142,8 +144,13 @@ func TradePcPay(client *wechat.Client, subject, orderID, amount, notifyUrl, prod
 		_ = zhios_pay_logx.Warn(err)
 		return nil, err
 	}
+	QRcode := ""
+	if wxRsp.CodeUrl != "" {
+		QRcode = qrcode.GetPNGBase64(wxRsp.CodeUrl)
+	}
+	QRcode = strings.ReplaceAll(QRcode, "\u0000", "")
 	r := map[string]string{
-		"payQrcode": wxRsp.CodeUrl,
+		"payQrcode": QRcode,
 	}
 	return r, 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 +1,43 @@
+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"
+
+	"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)
+}

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
+}