以下操作写在body里面,form表单外
<iframe id="agentframe" name="agentframe" src="" width="0" height="0" style="display:none;" ></iframe>
<script type="text/javascript">
function sethash(){
hashh = document.documentelement.scrollheight; //获取自身高度
urlc = "/test.jsp"; //设置iframea的src
document.getelementbyid("agentframe").src=urlc+"#"+hashh; //将高度作为参数传递
}
window.onload=sethash;
</script>
test.jsp如下:
<%@ page contenttype="text/html;charset=gbk" language="java"%>
<script>
function pseth() {
var iobj = parent.parent.document.getelementbyid('infoframe');
iobjh = parent.parent.frames["infoframe"].frames["agentframe"].location.hash;
iobj.style.height = iobjh.split("#")[1]+"px";
}
window.onload=pseth();
</script>
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