JavaScript 获取URL请求参数

 function getUrlVars() 
        { 
            var vars = [], hash; 
            var hashes = window.location.href.slice(window.location.href.indexOf('?') + 1).split('&'); 
            for(var i = 0; i < hashes.length; i++) 
            { 

                hash = hashes[i].split('='); 
                 vars.push(hash[0]); 
                 vars[hash[0]] = hash[1]; 
            } 
            return vars; 
       }

 

 var strFileName=getUrlVars()["filename"];