检测是否正在加载视图，因为按下了后按钮

请在 

1.  
   - (void)webViewDidFinishLoad:(UIWebView *)webView
2.  
   {
3.  
   //This Check is for if still webview is Loading the page or content
4.  
   if (webView.isLoading) {
5.  
   NSLog(@"your webview is still loading");
6.  
   return;
7.  
   }
8.  
   else {
9.  
   //this is for when its finish loading
10.  
    NSLog(@"your webview is loaded completely");
11.  
    }
12.