`
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iframe自动扩展 iframe高度自动伸展 

<iframe width="100%" align="center" height="200" id="cwin" onload="Javascrīpt:SetCwinHeight()" frameborder="0" scrolling="no" src="one.jsp" ></iframe>


<script type="text/javascript">
			
 function SetCwinHeight()
{
    var cwin=document.getElementById("cwin");
    if (document.getElementById)
    {
	if (cwin && !window.opera)
	{
	    if (cwin.contentDocument && cwin.contentDocument.body.offsetHeight)
	    cwin.height = cwin.contentDocument.body.offsetHeight; 
	    else if(cwin.Document && cwin.Document.body.scrollHeight)
	    cwin.height = cwin.Document.body.scrollHeight;
	}
    }
}
</script>
Global site tag (gtag.js) - Google Analytics