AFNetworking网络请求数据

        //创建AFNetworking的请求操作
    AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:[NSString stringWithFormat:@"http://lib.wap.zol.com.cn/ipj/docList.php?class_id=%ld&page=%ld&vs=and380&retina=1", selfId, page + 1]]]];
    
        //设置AFNetworking返回的数据 自动进行json解析
    operation.responseSerializer = [AFJSONResponseSerializer serializer];
    
    [operation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) {
        [_netDataDelegate dataRead:responseObject];
        
        
    } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
        

        NSLog(@"%@", error);
    }];
        //开启数据请求
    [operation start];

AFNetworking网络请求数据

原文：http://www.cnblogs.com/tian-sun/p/4218969.html