利用AFnetworking

AFHTTPSessionManager *manager=[[AFHTTPSessionManageralloc]init];

    

    //拼接参数

    NSMutableDictionary *parameters=[NSMutableDictionarydictionary];

    parameters[@"a"]=@"list";

    parameters[@"c"]=@"data";

    parameters[@"type"]=@"1";

    

    

    [manager GET:@"http://api.budejie.com/api/api_open.php"parameters:parameters progress:nilsuccess:^(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);

    }];