添加请求拦截器

netrain_flutter_app/lib/zhangfeng/Network/HttpManager.dart

@@ -16,8 +16,35 @@ class HttpManager {
   ///通用全局单例，第一次使用时初始化
   HttpManager._internal({String baseUrl}) {
     if (null == _dio) {
+      ///connectTimeout连接超时时长
+      ///receiveTimeout响应流上前后两次接受到数据的间隔，单位为毫秒。如果两次间隔超过[receiveTimeout]，[Dio] 将会抛出一个[DioErrorType.RECEIVE_TIMEOUT]的异常.注意: 这并不是接收数据的总时限
+      ///sendTimeout请求超时时长
+      ///如果返回数据是json(content-type)，dio默认会自动将数据转为json，
+      ///
       _dio = new Dio(new BaseOptions(
-          baseUrl: UrlPath.baseUrl, connectTimeout: 15000));
+          baseUrl: UrlPath.baseUrl, connectTimeout: 15000,sendTimeout: 15000));
+      // 添加拦截器
+      _dio.interceptors.add(InterceptorsWrapper(onRequest:
+          (RequestOptions options, RequestInterceptorHandler hander) {
+        print("\n================== 请求数据 ==========================");
+        print("url = ${options.uri.toString()}");
+        print("headers = ${options.headers}");
+        print("params = ${options.data}");
+        hander.next(options);
+      }, onResponse: (Response response, ResponseInterceptorHandler handler) {
+        print("\n================== 响应数据 ==========================");
+        print("code = ${response.statusCode}");
+        print("data = ${response.data}");
+        print("\n");
+        handler.next(response);
+      }, onError: (DioError e, ErrorInterceptorHandler handler) {
+        print("\n================== 错误响应数据 ======================");
+        print("type = ${e.type}");
+        print("message = ${e.message}");
+        print("stackTrace = ${e.stackTrace}");
+        print("\n");
+        handler.next(e);
+      }));
     }
   }
 
@@ -73,7 +100,7 @@ class HttpManager {
         map[UserModel.getModel().header] = UserModel.getModel().tokenHead + UserModel.getModel().token;
       }
       Response response = await _dio.request(url,
-          queryParameters: parameters, data: formdata, options: new Options(method: method,headers: map));
+          queryParameters: parameters, data: formdata, options: new Options(method: method,headers: map,responseType: ResponseType.plain));
       Map<String, dynamic> result = json.decode(response.toString());
       BaseHttpModel httpModel = BaseHttpModel.fromJson(result);
       if (httpModel.isSuccess()) {