我正在尝试将 UILabel pageTitle 更改为 UIWebView 上显示的页面标题。我没有返回任何警告或错误,它只是没有改变。
视图控制器.h
@interface ViewController : UIViewController <UITextFieldDelegate, UIWebViewDelegate, UIActionSheetDelegate> {
UIWebView *_webView;
UILabel *_pageTitle;
}
@property (nonatomic, retain) IBOutlet UIWebView *webView;
@property (nonatomic, retain) IBOutlet UILabel *pageTitle;
@end
视图控制器.m
- (void)webViewDidFinishLoad:(UIWebView *)webView {
self.pageTitle.text = [_webView stringByEvaluatingJavaScriptFromString:@"document.title"];
[_webView setDelegate:self];
}
IB截图