jquery获取url的参数乱码怎么办

<Script language="javascript">

var Request = new Object();

Request = GetRequest();

var 参数1,参数2,参数3,参数N;

参数1 = Request['参数1'];

参数2 = Request['参数2'];

参数3 = Request['参数3'];

参数N = Request['参数N'];

</Script>

<span style="font-size:18px;">1.传参页面

Javascript代码：<script type=”text/javascript”>

function send(){

var url = "test01.html";

var userName = $("#userName").html();

window.open(encodeURI(url + "?userName=" + userName)); }

</script>

<script>

var urlinfo = window.location.href;//获取url

var userName = urlinfo.split(“?”)[1].split(“=”)[1];//拆分url得到”=”后面的参数

$(“#userName”).html(decodeURI(userName));

</script></span>