//Get請求數據

+ (void)get:(NSString *)urlStr params:(NSDictionary *)params success:(void (^)(id))success failure:(void (^)(NSError *))failure

{

        // 1.獲得請求管理者

        AFHTTPRequestOperationManager *mgr = [AFHTTPRequestOperationManager manager];

        NSString *URL = [NSString stringWithFormat:@"%@%@",HOST,urlStr];

        NSLog(@"%@",URL);

        // 2.發送GET請求

        [mgr GET:URL parameters:params

        success:^(AFHTTPRequestOperation *operation, id responSEObj) {

            if (success) {

                success(responseObj);

            }

        } failure:^(AFHTTPRequestOperation *operation, NSError *error) {

            if (failure) {

                failure(error);

            }

        }];

}

//Post請求數據

+ (void)post:(NSString *)urlStr params:(NSDictionary *)params success:(void (^)(id))success failure:(void (^)(NSError *))failure

{

    if ([[self class] checkNetworkState]) {

        //獲取公用參數

        NSMutableDictionary *requestParms = [[self class] publicParms];

        if (params!=nil) {

            //不為空 合并字典，公共參數字典

            [requestParms addEntriesFromDictionary:params];

        }

        //1.獲得請求管理者

        AFHTTPRequestOperationManager *mgr = [AFHTTPRequestOperationManager manager];

　　  /********這里很重要********/

        //1.mgr.responseSerializer = [AFJSONResponseSerializer serializer];

        //2.mgr.requestSerializer = [AFJSONRequestSerializer serializer];

        //3.mgr.responseSerializer.acceptableContentTypes = [NSSet setWithObject:@"application/json"];

        NSString *URL = [NSString stringWithFormat:@"%@%@",HOST,urlStr];

        NSLog(@"當前接口URL==%@",URL);

        NSLog(@"當前接請求的 參數 ==%@",requestParms);

        // 2.發送POST請求

        [mgr POST:URL parameters:requestParms success:^(AFHTTPRequestOperation *operation, id responseObj) {

            success(responseObj);

        } failure:^(AFHTTPRequestOperation *operation, NSError *error) {

            failure(error);

            [MBProgressHUD hideAllHUDsForView:[UIApplication sharedApplication].keyWindow animated:YES];

            NSLog(@"底層失敗 ==error ==%@",[error localizedDescription]);

            [MBProgressHUD showError:@"網絡不給力，稍后再試" toView:[UIApplication sharedApplication].keyWindow];

        }];

    }else{

        [MBProgressHUD hideAllHUDsForView:[UIApplication sharedApplication].keyWindow animated:YES];

        [MBProgressHUD showError:@"網絡已斷開，請檢查網絡連接" toView:[UIApplication sharedApplication].keyWindow];

        failure(nil);

    }

}