js 获取url的参数值 一个或多个参数

 1 function getQueryVariable(variable)
 2 {
 3        var query = window.location.search.substring(1);
 4        var vars = query.split("&");
 5        for (var i=0;i<vars.length;i++) {
 6                var pair = vars[i].split("=");
 7                if(pair[0] == variable){return pair[1];}
 8        }
 9        return(false);
10 }