//加载网页动画 - (void)webViewDidStartLoad:(UIWebView *)webView{     if (myAlert==nil){              myAlert = [[UIAlertView alloc] initWithTitle:nil                                                               message: @"读取中..."                                                                 delegate: self                                                  cancelButtonTitle: nil                                                  otherButtonTitles: nil];      UIActivityIndicatorView *activityView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite];      activityView.frame = CGRectMake(120.f, 48.0f, 38.0f, 38.0f);      [myAlert addSubview:activityView];      [activityView startAnimating];      [myAlert show];      } } - (void)webViewDidFinishLoad:(UIWebView *)webView{       [myAlert dismissWithClickedButtonIndex:0 animated:YES]; }

NSData *gif = [NSData dataWithContentsOfFile: [[NSBundle mainBundle] pathForResource:@"1" ofType:@"gif"]];  // view生成  UIWebView *webView = [[UIWebView alloc] initWithFrame:CGRectMake(100, 100, 70, 30)];  webView.userInteractionEnabled = NO;//用户不可交互  [webView loadData:gif MIMEType:@"image/gif" textEncodingName:nil baseURL:nil];  [self.view addSubview:webView];