windows 2003 cookie 中文乱码终极解决方案

//编码

System.Text.Encoding enc = System.Text.Encoding.GetEncoding("utf-8");
cookie.Values.Add("type", HttpUtility.UrlEncode(type,enc));

//解码

System.Text.Encoding enc = System.Text.Encoding.GetEncoding("utf-8");

HttpUtility.UrlDecode(Request.Cookies["cai"]["type"],enc)