内嵌框架自适应页面大小

main.htm  主页面

<html>  
    <head>  
       <meta  http-equiv='Content-Type'  content='text/html;  charset=gb2312' />  
       <title>iframe自适应加载的页面高度</title>  
    </head>  
     
    <body>
        <iframe src="child.htm"></iframe>
    </body>
</html>


frame.htm 内嵌框架页

<html>  
<head>  
    <meta  http-equiv='Content-Type'  content='text/html;  charset=gb2312' />  
      <title>iframe  自适应其加载的网页(多浏览器兼容)</title>  
    <script type="text/javascript">
    <!--
    function iframeAutoFit()
    {
        var ex;
        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, h3=0, h4=0;
                        if(document.documentElement&&document.documentElement.scrollHeight)
                        {
                            h1 = document.documentElement.scrollHeight;
                            h3 = document.documentElement.scrollWidth;
                        }
                        if(document.body) h2=document.body.scrollHeight;h4=document.body.scrollWidth;
                        

                        var h=Math.max(h1, h2);
                        var h0=Math.max(h3,h4);
                       
                        a[i].style.height = h +"px";
                        a[i].style.width = h0 + "px";
                    }
                }
            }
        }
        catch (ex){}
    }
    
    if(document.attachEvent)
    {
        window.attachEvent("onload",  iframeAutoFit);
        window.attachEvent("onresize",  iframeAutoFit);
    }
    else
    {
        window.addEventListener('load',  iframeAutoFit,  false);
        window.addEventListener('resize',  iframeAutoFit,  false);
    }
    //-->
    </script>  
</head>  
<body style="overflow:hidden;border:0px">
    <table border="1" width="200" style="height: 200px;width:300px;">
        <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>

posted on 2008-08-13 14:29  莫莫  阅读(1544)  评论(0)    收藏  举报

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