//获取地址栏参数方法
function getQueryVariable (variable) {//获取参数id
var query = window.location.search.substring(1);
var vars = query.split("&");
for (var i = 0; i < vars.length; i++) {
var pair = vars[i].split("=");
if (pair[0] == variable) { return pair[1]; }
}
return (false);
}
原文：https://www.cnblogs.com/rabbitstudent/p/14803956.html