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;}

console.log(pars.PackageID);

javascript取querystring，存储为hash