From 4b2baddce0615f26bcb468d9a483ba01dcb75411 Mon Sep 17 00:00:00 2001
From: Weller <1812208341@qq.com>
Date: Thu, 17 Sep 2020 20:32:27 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=E7=BD=91=E7=BB=9C=E8=AF=B7?=
 =?UTF-8?q?=E6=B1=82?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 example/lib/main.dart     |  64 ++++++----
 lib/util/api.dart         | 250 ++++++++++++++++++++++++++++++++++++++
 lib/util/router_util.dart |  24 ++--
 lib/zhiying_comm.dart     |   1 +
 4 files changed, 308 insertions(+), 31 deletions(-)
 create mode 100644 lib/util/api.dart

diff --git a/example/lib/main.dart b/example/lib/main.dart
index e594288..f594c99 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -1,8 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:zhiying_comm/zhiying_comm.dart';
-import 'package:zhiying_comm_example/device_info_page.dart';
-import 'package:zhiying_comm_example/log_util.dart';
-import 'package:zhiying_comm_example/package_info_page.dart';
+// import 'package:zhiying_comm_example/device_info_page.dart';
+// import 'package:zhiying_comm_example/log_util.dart';
+// import 'package:zhiying_comm_example/package_info_page.dart';
 
 void main() => runApp(MyApp());
 
@@ -32,11 +32,11 @@ class _MyAppState extends State<MyApp> {
 
 class HomePage extends StatelessWidget {
   netPost() async {
-    dynamic result =  await NetUtil.post('/api/v1/rec/featured?page=1', params: null);
+    dynamic result =
+        await NetUtil.post('/api/v1/rec/featured?page=1', params: null);
     print("result === ${result?.toString()}");
   }
 
-
   @override
   Widget build(BuildContext context) {
     return SingleChildScrollView(
@@ -48,7 +48,7 @@ class HomePage extends StatelessWidget {
             RaisedButton(
               onPressed: () {
                 Navigator.push(context, MaterialPageRoute(builder: (_) {
-                  return DeviceInfoPage();
+                  // return DeviceInfoPage();
                 }));
               },
               child: Text('设备信息'),
@@ -56,7 +56,7 @@ class HomePage extends StatelessWidget {
             RaisedButton(
               onPressed: () {
                 Navigator.push(context, MaterialPageRoute(builder: (_) {
-                  return PackageInfoPage();
+                  // return PackageInfoPage();
                 }));
               },
               child: Text('应用信息'),
@@ -89,26 +89,22 @@ class HomePage extends StatelessWidget {
               },
               child: Text('网络同步请求(无缓存)'),
             ),
-
             RaisedButton(
-              onPressed: (){
-                LogUtil.test();
+              onPressed: () {
+                // LogUtil.test();
               },
               child: Text('显示日志'),
             ),
             RaisedButton(
-              onPressed: (){
-                Navigator.push(context, MaterialPageRoute(
-                  builder: (_){
-                    return Logger();
-                  }
-                ));
+              onPressed: () {
+                Navigator.push(context, MaterialPageRoute(builder: (_) {
+                  return Logger();
+                }));
               },
               child: Text('打开日志视图'),
             ),
-
             RaisedButton(
-              onPressed: (){
+              onPressed: () {
 //                NetUtil.request('/api/v1/mod', params: {'ids': [6] } ,method: NetMethod.POST,
 //                    onSuccess: (params){
 //                  Logger.log("onSuccess#$params");
@@ -118,23 +114,43 @@ class HomePage extends StatelessWidget {
 //                });
 
                 testPost();
-
               },
               child: Text('测试接口'),
             ),
+            RaisedButton(
+              onPressed: () async {
+                Api api = Api('/api/v1/user/info', method: NetMethod.GET);
 
-
+                // api.onCache().then((cache) {
+                //   print('读取缓存 ${cache.toString()}');
+                //   return api.onRequest();
+                // }).then((result) {
+                //   print('网络请求 ${result.toString().length}');
+                // }).catchError((error) {
+                //   print('aaaa');
+                //   print('error: ${error.toString()}');
+                // });
+                var cache = await api.onCache();
+                var result = await api.onRequest();
+              },
+              child: Text('新网络请求'),
+            ),
           ],
         ),
       ),
     );
   }
 
-  void testPost() async{
-    var cached = await NetUtil.getRequestCachedData( '/api/v1/mod', params: {'ids': [7] });
+  void testPost() async {
+    var cached = await NetUtil.getRequestCachedData('/api/v1/mod', params: {
+      'ids': [7]
+    });
     print("cahced ${cached?.toString()}");
-    var param =  await NetUtil.post('/api/v1/mod', params: {'ids': [7] }, method: NetMethod.POST);
+    var param = await NetUtil.post('/api/v1/mod',
+        params: {
+          'ids': [7]
+        },
+        method: NetMethod.POST);
     print('apapapsdjfdsjf: ${param?.toString()}');
   }
-
 }
diff --git a/lib/util/api.dart b/lib/util/api.dart
new file mode 100644
index 0000000..8f13fdc
--- /dev/null
+++ b/lib/util/api.dart
@@ -0,0 +1,250 @@
+import 'package:dio/dio.dart';
+import 'package:dio/adapter.dart';
+import 'package:zhiying_comm/util/empty_util.dart';
+import 'dart:io';
+import 'dart:convert';
+import 'package:zhiying_comm/zhiying_comm.dart';
+
+import 'global_config.dart';
+import 'shared_prefe_util.dart';
+
+class Api {
+  final String path;
+  Map<String, dynamic> params;
+  final NetMethod method;
+
+  static Dio _dio;
+  static get _net async {
+    if (_dio == null) {
+      var setting = await NativeUtil.getSetting();
+      String domain = setting['domain']; //'http://www.hairuyi.com/';
+      _config(domain, proxyUrl: '192.168.0.112:8888');
+    }
+    return _dio;
+  }
+
+  Api(this.path, {this.params, this.method = NetMethod.POST}) {
+    this.params = params ?? {};
+  }
+
+  Future<Map> onCache() async {
+    String cacheKey = getRequestParamsCachedKey(params, path);
+    // 读取缓存
+    Map<String, dynamic> cacheMap =
+        await SharedPreferencesUtil.getNetCacheResult(cacheKey);
+
+    if (!EmptyUtil.isEmpty(cacheMap) &&
+        cacheMap.containsKey(GlobalConfig.HTTP_RESPONSE_KEY_CODE) &&
+        (cacheMap[GlobalConfig.HTTP_RESPONSE_KEY_CODE] ==
+                GlobalConfig.RESPONSE_SUCCESS_CODE ||
+            cacheMap[GlobalConfig.HTTP_RESPONSE_KEY_CODE] ==
+                '${GlobalConfig.RESPONSE_SUCCESS_CODE}') &&
+        !EmptyUtil.isEmpty(cacheMap[GlobalConfig.HTTP_RESPONSE_KEY_DATA])) {
+      return cacheMap[GlobalConfig.HTTP_RESPONSE_KEY_DATA];
+    }
+    return {};
+  }
+
+  Future<Map> onRequest() async {
+    Map result = {};
+
+    try {
+      Dio net = await _net;
+      Map<String, String> headers = await _getHeaders();
+      var responds = await net.request(path,
+          data: params,
+          options: Options(method: enumToString(method), headers: headers));
+
+      result = responds.data is Map ? responds.data : jsonDecode(responds.data);
+
+      String cacheKey = getRequestParamsCachedKey(params, path);
+      _setCallBackCacheData(cacheKey,
+          responds.data is Map ? jsonEncode(responds.data) : responds.data);
+    } on DioError catch (e) {
+      _formatError(e);
+    }
+
+    return result;
+  }
+
+  // 获取headers，headers保存各种签名认证信息
+  Future<Map<String, String>> _getHeaders() async {
+    Map<String, String> headers = Map();
+    headers['device'] = 'wx_applet';
+    headers['Platform'] = 'wx_applet';
+
+    // token 读取SP缓存中的用户token
+    String token = await SharedPreferencesUtil.getStringValue(
+            GlobalConfig.SHARED_KEY_TOKEN) ??
+        '';
+    const bool inProduction = const bool.fromEnvironment("dart.vm.product");
+    if (!inProduction && token != '') {
+      token = '7f7bdb785dcb02a4536bea2ffe299eda352e127f';
+    }
+
+    if (token != null && token != '') {
+      headers['token'] = token;
+    }
+    return headers;
+  }
+
+  /// 配置网络请求，基础地址，代理地址,如：192.168.0.123:8888（代理地址生产环境无效）
+  /// apiVersion 接口版本
+  static void _config(String baseUrl, {String proxyUrl}) {
+    _dio = Dio(BaseOptions(
+      method: "post",
+      baseUrl: baseUrl,
+      connectTimeout: 15000,
+      receiveTimeout: 15000,
+      contentType: Headers.jsonContentType,
+      followRedirects: true,
+    ));
+    _dio.interceptors.add(_NetInterceptors());
+//    _dio.interceptors.add(LogInterceptor());
+
+    const bool inProduction = const bool.fromEnvironment("dart.vm.product");
+    if (proxyUrl != null && proxyUrl != '' && !inProduction) {
+      _setProxy(proxyUrl);
+    }
+  }
+
+  /// 设置代理
+  static void _setProxy(String proxyUrl) {
+    (_dio.httpClientAdapter as DefaultHttpClientAdapter).onHttpClientCreate =
+        (HttpClient client) {
+      client.findProxy = (uri) {
+        return "PROXY $proxyUrl";
+      };
+      client.badCertificateCallback =
+          (X509Certificate cert, String host, int port) => true;
+    };
+  }
+
+  /// 获取请求缓存成功的数据
+  static Future<void> _onCallBackCacheData(
+      OnCache onCache, String cacheKey) async {
+    // 读取缓存
+    Map<String, dynamic> cacheMap =
+        await SharedPreferencesUtil.getNetCacheResult(cacheKey);
+
+    if (!EmptyUtil.isEmpty(cacheMap) &&
+        cacheMap.containsKey(GlobalConfig.HTTP_RESPONSE_KEY_CODE) &&
+        (cacheMap[GlobalConfig.HTTP_RESPONSE_KEY_CODE] ==
+                GlobalConfig.RESPONSE_SUCCESS_CODE ||
+            cacheMap[GlobalConfig.HTTP_RESPONSE_KEY_CODE] ==
+                '${GlobalConfig.RESPONSE_SUCCESS_CODE}') &&
+        !EmptyUtil.isEmpty(cacheMap[GlobalConfig.HTTP_RESPONSE_KEY_DATA])) {
+      onCache(cacheMap[GlobalConfig.HTTP_RESPONSE_KEY_DATA]);
+      return;
+    }
+    return;
+  }
+
+  /// 缓存请求成功的数据
+  static void _setCallBackCacheData(String cacheKey, String value) async {
+    SharedPreferencesUtil.setNetCacheResult(cacheKey, value);
+  }
+
+  /// 根据请求参数，获取缓存的数据
+  static Future<dynamic> getRequestCachedData(String url,
+      {Map<String, dynamic> params}) async {
+    Map<String, dynamic> cacheMap =
+        await SharedPreferencesUtil.getNetCacheResult(
+            getRequestParamsCachedKey(params, url));
+    if (!EmptyUtil.isEmpty(cacheMap) &&
+        cacheMap.containsKey(GlobalConfig.HTTP_RESPONSE_KEY_CODE) &&
+        (cacheMap[GlobalConfig.HTTP_RESPONSE_KEY_CODE] ==
+                GlobalConfig.RESPONSE_SUCCESS_CODE ||
+            cacheMap[GlobalConfig.HTTP_RESPONSE_KEY_CODE] ==
+                '${GlobalConfig.RESPONSE_SUCCESS_CODE}') &&
+        !EmptyUtil.isEmpty(cacheMap[GlobalConfig.HTTP_RESPONSE_KEY_DATA])) {
+      return cacheMap[GlobalConfig.HTTP_RESPONSE_KEY_DATA];
+    }
+    return null;
+  }
+
+  /// 判断后台返回是否成功
+  static bool isSuccess(Map<String, dynamic> data) {
+    try {
+      if (!EmptyUtil.isEmpty(data) &&
+          (data[GlobalConfig.HTTP_RESPONSE_KEY_CODE] ==
+                  GlobalConfig.RESPONSE_SUCCESS_CODE ||
+              data[GlobalConfig.HTTP_RESPONSE_KEY_CODE] ==
+                  '${GlobalConfig.RESPONSE_SUCCESS_CODE}')) {
+        return true;
+      }
+    } catch (e) {
+      return false;
+    }
+    return false;
+  }
+
+  /// 根据请求参数，获取缓存的Key
+  static String getRequestParamsCachedKey(
+      Map<String, dynamic> map, String path) {
+    if (EmptyUtil.isEmpty(map)) {
+      return EncodeUtil.generateMd5(path);
+    }
+    return EncodeUtil.generateMd5(path + map.toString());
+  }
+
+  /// 签名
+  static String signWithArray(List<String> params) {
+    // 字母升序
+    params.sort();
+    String result = "";
+//    result += secret_key;
+    params.forEach((param) {
+      result += param;
+    });
+//    result += secret_key;
+    return EncodeUtil.generateMd5(result);
+  }
+
+  /*
+   * error统一处理
+   */
+  static void _formatError(DioError e) {
+    if (e.type == DioErrorType.CONNECT_TIMEOUT) {
+      Logger.error('连接超时: ${e.toString()}');
+    } else if (e.type == DioErrorType.SEND_TIMEOUT) {
+      Logger.error('请求超时: ${e.toString()}');
+    } else if (e.type == DioErrorType.RECEIVE_TIMEOUT) {
+      Logger.error('响应超时: ${e.toString()}');
+    } else if (e.type == DioErrorType.RESPONSE) {
+      Logger.error('出现异常: ${e.toString()}');
+    } else if (e.type == DioErrorType.CANCEL) {
+      Logger.error('请求取消: ${e.toString()}');
+    } else {
+      Logger.error('未知错误: ${e.toString()}');
+    }
+  }
+}
+
+/**
+ * @description: 网络请求拦截器
+ * @param {type}
+ * @return:
+ */
+class _NetInterceptors extends InterceptorsWrapper {
+  @override
+  Future onRequest(RequestOptions options) {
+    Logger.net(options?.uri?.toString(), data: options.data.toString());
+    // TODO 加密？
+    return super.onRequest(options);
+  }
+
+  @override
+  Future onResponse(Response response) {
+    Logger.endNet(response?.request?.uri?.toString(),
+        data: response?.data?.toString() ?? '');
+    // TODO 解密？
+    return super.onResponse(response);
+  }
+
+  @override
+  Future onError(DioError err) {
+//    Logger.error(err);
+    return super.onError(err);
+  }
+}
diff --git a/lib/util/router_util.dart b/lib/util/router_util.dart
index 705ec7d..4686504 100644
--- a/lib/util/router_util.dart
+++ b/lib/util/router_util.dart
@@ -19,21 +19,31 @@ class RouterUtil {
     print('skipIdentifier: ${skipIdentifier}');
 
     if (requiredLogin == '1') {
-      UserInfoModel user = await Provider.of<UserInfoNotifier>(context, listen: false).getUserInfoModel();
+      UserInfoModel user =
+          await Provider.of<UserInfoNotifier>(context, listen: false)
+              .getUserInfoModel();
       print(user.toString());
       if (user?.token == null || user.token == '') {
         print('need login...');
-        return Navigator.of(context).push(MaterialPageRoute(builder: (BuildContext context) {
+        return Navigator.of(context)
+            .push(MaterialPageRoute(builder: (BuildContext context) {
           return LoginPage(model);
         }));
       }
     }
 
-    return Navigator.of(context).push(MaterialPageRoute(builder: (BuildContext context) {
-      if (PageFactory.hasRegisted(skipIdentifier)) {
-        return PageFactory.create(skipIdentifier, model);
-      }
-      return EmptyPage();
+    Widget page = EmptyPage();
+    if (PageFactory.hasRegisted(skipIdentifier)) {
+      page = PageFactory.create(skipIdentifier, model);
+    } else {
+      Api api = Api('/api/v1/mod/${skipIdentifier.toString()}',
+          method: NetMethod.GET);
+      var result = await api.onRequest();
+      page = PageFactory.create('index', Map<String, dynamic>.from(result));
+    }
+    return Navigator.of(context)
+        .push(MaterialPageRoute(builder: (BuildContext context) {
+      return page;
     }));
   }
 }
diff --git a/lib/zhiying_comm.dart b/lib/zhiying_comm.dart
index 190df4c..2e2af93 100644
--- a/lib/zhiying_comm.dart
+++ b/lib/zhiying_comm.dart
@@ -17,6 +17,7 @@ export 'util/router_util.dart';
 export 'util/log/let_log.dart';
 export 'util/empty_util.dart';
 export 'util/global_config.dart';
+export 'util/api.dart';
 
 // 用户信息
 export 'models/user/user_info_model.dart';