js获取URL中的参数

1 var $url = location.href ; alert(getQueStr($url,"lk"));

2 function getQueStr(url,ref)

3 {

4 var str = url.substr(url.indexOf('?')+1);

5 if(str.indexOf('&')!=-1)

6 {

7 var arr = str.split('&');

8 for(i in arr)

9 {

10

11 if(arr[i].split('=')[0]==ref)

12 return arr[i].split('=')[1];

13 }

14 }else

15 {

16 return url.substr(url.indexOf('=')+1)

17 }

18 }