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[英]stringByEvaluatingJavaScriptFromString in didReceiveRemoteNotification but after webView is loaded
[英]stringByEvaluatingJavaScriptFromString recognize webview content height
我在UIscrollview中放置了一個Uiwebview,因為在uiwebview之后,我想使用PageController顯示一些圖像。
我正在使用這一行代碼。
-(void)webViewDidFinishLoad:(UIWebView *)webView{
if (webView!=WebView)return;
float h;
NSLog(@"web view is %f high", WebView.frame.size.height);
NSString *heightString = [WebView stringByEvaluatingJavaScriptFromString:@"document.getElementById(\"body\").offsetHeight;"];
NSLog(@"web content is %@ high",heightString);
h = [heightString floatValue] +12.0f;
WebView.frame = CGRectMake(WebView.frame.origin.x, WebView.frame.origin.y, WebView.frame.size.width, h);
h = WebView.frame.origin.y + h + 20;
[ScrollView setContentSize:CGSizeMake(320, h)];
}
但是, Web view is %f high
無法正常工作,它無法協調WebView的高度,有人知道我可以解決此問題嗎? 這是因為我正在使用[WebView loadHTMLString:html baseURL:nil];
並且: NSString *heightString = [WebView stringByEvaluatingJavaScriptFromString:@"document.getElementById(\\"body\\").offsetHeight;"];
NSString *html = [NSString stringWithFormat:@"<html><head><!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\"><meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" /><style>body { font: normal 13px helvetica; color: #565656; } </style></head><body><p>%@</p></body></html> ",text];
[WebView loadHTMLString:html baseURL:nil];
嘗試
NSString *heightString = [Bericht stringByEvaluatingJavaScriptFromString:@"document.body.offsetHeight;"];
內森,祝你好運
UIWebView已經包含一個scrollView,為什么還要再次將其添加為子視圖。 在此處查看Apple的文檔
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