1、通过C#获取当前页面的URL
string url = Request.Url.AbsoluteUri; //结果: http://www.mystudy.cn/web/index.aspx
string host = Request.Url.Host; //结果:www.mystudy.cn
string rawUrl = Request.RawUrl; //结果:/web/index.aspx
string localPath = Request.Url.LocalPath; //结果:/web/index.aspx
2、通过Javascript获取当前页面的URL
var url = document.URL; //结果:http://www.mystudy.cn/web/index.aspx
var href = document.location.href; //结果:http://www.mystudy.cn/web/index.aspx
var host = location.hostname; //结果:www.mystudy.cn