分享今天的学习代码

        public ActionResult Demo4_2() 
        {
            //cookie写入的是中文，那么读取时，会产生乱码
            //中文乱码解决方案 Server.UrlDecode
            //读取客户端指定名字的cookie
            HttpCookie cook = Request.Cookies.Get("_accp_name");
            StringBuilder html = new StringBuilder("
");
            html.Append("
临时cookie,_accp_name="
                +(cook==null?"没有":Server.UrlDecode( cook.Value))
                +""
                );
            //可以直接使用索引器方式
            HttpCookie cook2 = Request.Cookies["_accp_emp"];
            //读取键值对的cookie
            html.Append("
临时cookie,_accp_emp="
                +( cook2 == null ? "没有" :Server.UrlDecode( cook2.Values["name"])
                + "   " + Server.UrlDecode(cook2.Values["address"])
                +"   "+ cook2.Values["age"] )
                + ""
                );
            //读取的永久的，有效的
            HttpCookie cook3 = Request.Cookies.Get("_accp_name2");
            html.Append("
永久cookie,_accp_name2="
               +( cook3 == null ? "没有" :Server.UrlDecode( cook3.Value))
               + ""
               );
            HttpCookie cook4 = Request.Cookies["_accp_emp2"];
            //读取键值对的cookie
            html.Append("
永久cookie,_accp_emp2="
                + (cook4 == null ? "没有" : Server.UrlDecode(cook4.Values["name"])
                + "   " + Server.UrlDecode(cook4.Values["address"])
                + "   " + cook4.Values["age"])
                + ""
                );
            html.Append("");
            return Content(html.ToString());

        }