IOS开发UIWebView获取页面动态高度

2018-07-09 本文已影响0人 MrBan

上一段代码大家体会一下。

UIWebView *webView =[[UIWebView alloc]initWithFrame:CGRectMake(0,kScreenWidth*300/375 +128,kScreenWidth,self.view.height-49-44)];

NSString *content =[item.note stringByReplacingOccurrencesOfString:@""" withString:@"'"];

content =[content stringByReplacingOccurrencesOfString:@"<" withString:@"<"];

content =[content stringByReplacingOccurrencesOfString:@">" withString:@">"];

content =[content stringByReplacingOccurrencesOfString:@""" withString:@"\""];

NSString *htmls =[NSString stringWithFormat:@" \n"

" \n"

"body {font-size:15px;}\n"

" \n"

"window.onload = function(){\n"

"var $img = document.getElementsByTagName('img');\n"

"for(var p in $img){\n"

" $img[p].style.width = '100%%';\n"

"$img[p].style.height ='auto'\n"

"}\n"

"}"

"%@"

"",content];

[webView loadHTMLString:htmls baseURL:nil];

webViewHeight =[[webView stringByEvaluatingJavaScriptFromString:@"document.body.scrollHeight"]floatValue]/2+40;