var jm = window.location.host;//获取计算机名
var dk =
window.location.port;//获取端口
var str =
"/Lists/List2/EditForm.aspx";
var wh =
window.location.search;//问号后面的
window.location.href = ‘http://‘+jm+dk+str+wh;
原文：http://www.cnblogs.com/914556495wxkj/p/3579647.html