这是我的代码:@IBOutletweakvarwebView:WKWebView!@IBOutletweakvarprogressView:UIProgressView!overridefuncviewDidLoad(){super.viewDidLoad()webView.uiDelegate=selfwebView.navigationDelegate=selfwebView.addObserver(self,forKeyPath:"estimatedProgress",options:.new,context:nil)}overridefuncobserveValue(forKe

我正在尝试在我的WKWebView中实现EstimatedProgress，但似乎无法弄清楚。你能帮忙吗？这是我得到的:self.view=self.webView;NSURL*url=[NSURLURLWithString:stringWeb];NSURLRequest*request=[NSURLRequestrequestWithURL:url];WKWebViewConfiguration*configuration=[[WKWebViewConfigurationalloc]init];self.webView=[[WKWebViewalloc]initWithFrame:s

我正在尝试在我的WKWebView中实现EstimatedProgress，但似乎无法弄清楚。你能帮忙吗？这是我得到的:self.view=self.webView;NSURL*url=[NSURLURLWithString:stringWeb];NSURLRequest*request=[NSURLRequestrequestWithURL:url];WKWebViewConfiguration*configuration=[[WKWebViewConfigurationalloc]init];self.webView=[[WKWebViewalloc]initWithFrame:s