以下操作写在body里面，form表单外 1 2 3 4 5 6 7 8 9 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： 1 2 3 4 5 6 7 8 9 %@ 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