//创建cookie
HttpCookie mycookie = new HttpCookie("Userinfo");
mycookie.Values["UID"] = model.UID.ToString();mycookie.Values["UName"] = model.UserId.ToString();
mycookie .Expires =DateTime .Now.AddDays(7);//保留7天
context.Response.Cookies.Add(mycookie);
//取
HttpCookie mycookie = Request.Cookies["Userinfo"];
uid = mycookie.Values["UID"].ToString();
uname = mycookie.Values["UName"].ToString();