安康;(NSURLSessionDataTask *) dataTaskWithURL: (NSURL *) url completionHandler: (void (^) (NSData *数据,NSURLResponse *反应,,NSError *误差))completionHandler
安康;(NSURLSessionDataTask *) dataTaskWithRequest:(NSURLRequest *) request completionHandler: (void (^) (NSData *数据,NSURLResponse *反应,,NSError *误差))completionHandler ,,,,在块中处理请求后的结果(响应数据,响应对象,错误对象)
,,,,如:发送一个得到请求,获取指定游戏任务信息的JSON数据
NSString * urlStr =, @“http://localhost/lolShow.php?number=20&从=0”;
时间=NSURL *, url [NSURL URLWithString urlStr):;
时间=NSURLRequest *, request [NSURLRequest requestWithURL: url];//创建数据任务
时间=NSURLSession *, session [NSURLSession sharedSession];
时间=NSURLSessionDataTask *, dataTask [session dataTaskWithRequest: request completionHandler: ^ (NSData *, __nullable 数据,NSURLResponse *, __nullable 反应,NSError *, __nullable 错误),{
,,,if (, error ), {
,,,,,,,NSLog (@“1, % @”, [error localizedDescription]);
,,,,,,,return ;
,,,}
,,,//将JSON数据序列化为OC对象
,,,NSArray *, arr =, (NSJSONSerialization JSONObjectWithData: data 选择:0,错误:和错误);
,,,if (, error ), {
,,,,,,,NSLog (@“2, % @”, [error localizedDescription]);
,,,,,,,return ;
,,,}
,,,//字典转模型
,,,for (NSDictionary *, dict 拷贝arr ), {
,,,,,,,AMHeroModel *, model =, (AMHeroModel heroModelWithDict: dict类型);
,,,,,,,(self.heroInfoArray addObject:模型);
,,,}
,,,[[NSOperationQueue mainQueue], addOperationWithBlock: ^ {
,,,,,,,(self stopLoading);//刷新UI
,,,}];
});//启动任务
[dataTask 恢复];
<李> <强>
安康;(NSURLSessionDataTask *) dataTaskWithURL: (NSURL *)的url
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