NO1:(本人最喜欢)

//普通参数
function GetQueryString(name)
{
var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)");
var r = window.location.search.substr(1).match(reg);
if(r!=null)return unescape(r[2]); return null; ----------------------->return为""也是可以的
}

//中文参数(防止乱码的)
function GetQueryString(name)
{
var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)");
var r = window.location.search.substr(1).match(reg);
if(r!=null)return decodeURI(r[2]); return null; ----------------------->return为""也是可以的


​​// 调用方法​​

​​alert(GetQueryString(​​​​"参数名1"​​​​));​​


​​alert(GetQueryString(​​​​"参数名2"​​​​));​​


​​alert(GetQueryString(​​​​"参数名3"​​​​));​​


第二种:

function GetRequest() { 
var url = location.search; //获取url中"?"符后的字串
var theRequest = new Object();
if (url.indexOf("?") != -1) {
var str = url.substr(1);
strs = str.split("&");
for(var i = 0; i < strs.length; i ++) {
theRequest[strs[i].split("=")[0]]=unescape(strs[i].split("=")[1]);
}
}
return theRequest;
}

//调用方法
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'];