js获取url参数值

该文档出自：http://www.cnblogs.com/jiekk/archive/2011/06/28/2092444.html

 

方法一：正则分析法

function getQueryString(name) {    
var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i");    
var r = window.location.search.substr(1).match(reg);    
if (r != null) return unescape(r[2]); return null;    
}

 

这样调用：

alert(GetQueryString("参数名1"));
alert(GetQueryString("参数名2"));
alert(GetQueryString("参数名3"));

方法二：

<SPAN style="FONT-SIZE: 16px"><Script language="javascript"> 
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; 
} 
</Script></SPAN> 

这样调用：

<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>