..net cookie的写入与读取

        //写入cookie  创建带有子键的cookie        HttpCookie newcookie = new HttpCookie("user");        newcookie.Values["username"] = "abc";        newcookie.Values["roleid"] = "1";        newcookie.Expires = DateTime.Now.AddHours(1);        HttpContext.Current.Response.Cookies.Add(newcookie);

        //读取cookie        if (System.Web.HttpContext.Current.Request.Cookies["user"] == null)        {            Response.Write("无此cookie");        }        else        {            Response.Write(HttpContext.Current.Request.Cookies["user"]["username"].ToString());        }