AFNetworking 3.0简单数据请求get&post

/**
 *get请求方法
 */
- (void)AFNGetUrl
{
    AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
    manager.responseSerializer.acceptableContentTypes = [NSSet setWithObject:@"text/html"];
    [manager GET:@"http://www.wjizk.com/qr.php" parameters:nil progress:^(NSProgress * _Nonnull downloadProgress) {

    }
         success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {

             NSLog(@"%@这里打印请求成功要做的事",responseObject);

         }

         failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull   error) {

             NSLog(@"%@",error);  //这里打印错误信息

         }];
}
/**
 *post请求方法
 */
-(void) AFNPostUrl
{
    AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];

    NSMutableDictionary *parameters = @{@"":@"",@"":@""};

    [manager POST:@"http://www.wjizk.com/qr.php" parameters:parameters progress:^(NSProgress * _Nonnull uploadProgress) {

    } success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
        NSLog(@"%@这里打印请求成功要做的事",responseObject);

    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        NSLog(@"%@",error);  //这里打印错误信息
    }];
}