loadhtmlstring显示空白屏幕webview ios10

Question

网页视图的

loadhtmlstring在iOS10

中显示空白屏幕

 [webView loadHTMLString:[NSString stringWithFormat:@"<div style='font-size:13px;font-family:Helvetica;color:#0000;word-break:keep-all'>%@",myshtmalstring] baseURL:nil];

加载时显示空白屏幕