<script>

     //JavaScript获取url，并把url中的参数变成数组的方法，arr数组的值就是各参数值

     var url = window.document.location.href.toString();

     var u = url.split("?");

     var arr = [];

     if(typeof(u[1]) == "string"){

         u = u[1].split("&");

         for(var i in u){

             var a =  (u[i].split("="));

             arr[a[0]] = decodeURI(a[1]);

         }

     }

 </script>