自适应页面高度

80酷酷网    80kuku.com

  页面|自适应

main.htm:

<html> 
    <head> 
       <meta  http-equiv='Content-Type'  content='text/html;  charset=gb2312' /> 
       <meta  name='author'  content='F.R.Huang(meizz梅花雪)//www.meizz.com' /> 
       <title>iframe自适应加载的页面高度</title> 
    </head> 
    
    <body>
        <div><iframe src="child.htm"></iframe></div>
    </body>
</html>

child.htm:

<html> 
<head> 
    <meta  http-equiv='Content-Type'  content='text/html;  charset=gb2312' /> 
    <meta  name='author'  content='F.R.Huang(meizz梅花雪)//www.meizz.com' /> 
    <title>iframe  自适应其加载的网页(多浏览器兼容)</title> 
    <script type="text/javascript">
    <!--
    function iframeAutoFit()
    {
        try
        {
            if(window!=parent)
            {
                var a = parent.document.getElementsByTagName("IFRAME");
                for(var i=0; i<a.length; i++) //author:meizz
                {
                    if(a[i].contentWindow==window)
                    {
                        var h1=0, h2=0;
                        a[i].parentNode.style.height = a[i].offsetHeight +"px";
                        a[i].style.height = "10px";
                        if(document.documentElement&&document.documentElement.scrollHeight)
                        {
                            h1=document.documentElement.scrollHeight;
                        }
                        if(document.body) h2=document.body.scrollHeight;

                        var h=Math.max(h1, h2);
                        if(document.all) {h += 4;}
                        if(window.opera) {h += 1;}
                        a[i].style.height = a[i].parentNode.style.height = h +"px";
                    }
                }
            }
        }
        catch (ex){}
    }
    if(window.attachEvent)
    {
        window.attachEvent("onload",  iframeAutoFit);
        //window.attachEvent("onresize",  iframeAutoFit);
    }
    else if(window.addEventListener)
    {
        window.addEventListener('load',  iframeAutoFit,  false);
        //window.addEventListener('resize',  iframeAutoFit,  false);
    }
    //-->
    </script> 
</head> 
<body>
    <table border="1" width="200" 400px; background-color: yellow">
        <tr>
            <td>iframe  自适应其加载的网页(多浏览器兼容,支持XHTML)</td>
        </tr>
    </table>
</body> 
</html>

 很多人反应在IE7里使用它会死机,那是因为在自适应高度时触发了 window.onresize 事件,而这个事件又去调用这个调整 <iframe> 高度的函数,产生了死循环调用。

 

 



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