UIWebView

UIWebView 委托功能: -

Objective-C Declerations

- (BOOL)webView:(UIWebView *)webView 
shouldStartLoadWithRequest:(NSURLRequest *)request 
 navigationType:(UIWebViewNavigationType)navigationType;

- (void)webView:(UIWebView *)webView 
didFailLoadWithError:(NSError *)error;

- (void)webViewDidFinishLoad:(UIWebView *)webView;

- (void)webViewDidStartLoad:(UIWebView *)webView;