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#pragma mark 自定义视图

- (void)loadView

{

    self.animationDetailView = [[[AnimationDetailView alloc] initWithFrame:[UIScreen mainScreen].bounds] autorelease];

    self.view = _animationDetailView;

}

- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view.

    self.animationDetailView.webView.delegate = self;

    

    // 请求网络数据

    [self loadDataAndShow];

}

#pragma mark 加载网络数据

- (void)loadDataAndShow

{

    [SVProgressHUD show];

    

    NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"http://news-at.zhihu.com/api/4/story/%@", _funModel.ID]];

    

    NSURLRequest *request = [NSURLRequest requestWithURL:url];

    

    __block MovieDetailViewController *weakSelf = self;

    [NSURLConnection sendAsynchronousRequest:request queue:[[NSOperationQueue new] autorelease] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {

        // 没有数据直接返回

        if (data == nil) {

            [NSTimer scheduledTimerWithTimeInterval:3 target:self selector:@selector(loadError:) userInfo:nil repeats:NO];

            return ;

        }

        NSDictionary *allDataDict = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments error:nil];

        NSString *bodyStr = allDataDict[@"share_url"];

        NSURLRequest *webRequest = [NSURLRequest requestWithURL:[NSURL URLWithString:bodyStr]];

        //回主线程刷新UI

        dispatch_async(dispatch_get_main_queue(), ^{

            [weakSelf.animationDetailView.webView loadRequest:webRequest];

            

            [SVProgressHUD dismiss];

        });

    }];

}

#pragma mark 网络加载失败

- (void)loadError:(NSTimer *)sender

{

    [SVProgressHUD showErrorWithStatus:@"加载失败"];

    [sender invalidate];

}

原文地址:https://www.cnblogs.com/iOS-mt/p/4250204.html