利用AFnetworking

AFHTTPSessionManager *manager=[[AFHTTPSessionManager alloc]init];

    

    //拼接参数

    NSMutableDictionary *parameters=[NSMutableDictionary dictionary];

    parameters[@"a"]=@"list";

    parameters[@"c"]=@"data";

    parameters[@"type"]=@"1";

    

    

    [manager GET:@"http://api.budejie.com/api/api_open.php" parameters:parameters progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {

        NSLog(@"请求成功--------%@",responseObject);

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

        NSLog(@"请求失败--------%@",error);

    }];