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<script>
var oldname;
var oldpassword;
window.onload = function(){
oldname = document.getElementById("name").value;
oldpassword = document.getElementById("password").value;
}
function fun(){
document.getElementById("oldname").value=oldname;
document.getElementById("oldpassword").value=oldpassword;
document.getElementById("f1").submit();
}
</script>
<body>
<form action="t1.jsp" method="post" id="f1">
<input type="hidden" name="oldname" id="oldname"/>
<input type="hidden" name="oldpassword" id="oldpassword"/>
姓名:<input type="text" name="name" id="name" value="张三"/>
密码:<input type="password" name="password" id="password" value="123456"/>
<input type="button" value="提交" onclick="fun()"/>
</form>
</body>
获取就不用说了吧? 还有一种就是用location.href然后把参数传过去