.net中使用cookie

.net中使用cookie

            //.net中使用cookie

            //在一个Cookie中储存单个信息
            HttpCookie cookie = new HttpCookie("UserInfo1");
            cookie.Value = "cookieming1";
            cookie.Expires = DateTime.Now.AddDays(7);//过期时间
            Response.AppendCookie(cookie);
            //获取信息：
            HttpCookie cookie2 = Request.Cookies["UserInfo1"];
            string UserInfo = cookie2.Value;                 

            //在一个Cookie中储存多个信息
            HttpCookie cookied = new HttpCookie("UserInfo2");
            cookied.Values.Add("username", "name1");
            cookied.Values.Add("password", "pwd1");
            cookied.Expires = DateTime.Now.AddDays(7);//过期时间
            Response.AppendCookie(cookied);
            //获取信息：
            HttpCookie cookied2 = Request.Cookies["UserInfo2"];
            if (null == cookied2)
            {
                //cookie不存在 
            }
            else
            {
                string username = cookied2.Values["username"];
                string password = cookied2.Values["password"];                     
            } 

            //删除cookie
            HttpCookie cookiedel = Request.Cookies["UserInfo2"];
            if (cookiedel != null)
            {
                cookiedel.Expires = System.DateTime.Now.AddDays(-1);
            }
            Response.Cookies.Add(cookiedel);

菜鸟总结 多存疏漏 感谢指正