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The author:(作者)归海一刀
published in(发表于) 2014/1/30 1:18:35
ASP.NET中读写cookie数据示例代码_[Asp.Net教程]

ASP.NET中读写cookie数据示例代码_[Asp.Net教程]
ASP.NET中的cookie：创建Cookie方法 (1)
Response.Cookies["userName"].Value = “admin";
Response.Cookies[“userName”].Expires = DateTime.Now.AddDays(1);
//如果不设置失效时间,Cookie信息不会写到用户硬盘,浏览器关闭将会丢弃。

ASP.NET中的cookie：创建Cookie方法 (2)
HttpCookie aCookie = new HttpCookie(“lastVisit”);
//上一次访问时间
aCookie.Value = DateTime.Now.ToString();
aCookie.Expires = DateTime.Now.AddDays(1);
Response.Cookies.Add(aCookie);

ASP.NET中的cookie：访问Cookie方法(1)
if(Request.Cookies["userName"] != null)
Label1.Text = Server.HtmlEncode(Request.Cookies["userName"].Value);

访问Cookie方法(2)
if(Request.Cookies["userName"] != null) {
HttpCookie aCookie = Request.Cookies["userName"];
Label1.Text = Server.HtmlEncode(aCookie.Value);
}

ASP.NET中的cookie：创建多值Cookie方法 (1)
Response.Cookies["userInfo"]["userName"] = “admin";
Response.Cookies["userInfo"]["lastVisit"] = DateTime.Now.ToString();
Response.Cookies["userInfo"].Expires = DateTime.Now.AddDays(1);

ASP.NET中的cookie：创建多值Cookie方法 (2)
HttpCookie aCookie = new HttpCookie("userInfo");
aCookie.Values["userName"] = “admin";
aCookie.Values["lastVisit"] = DateTime.Now.ToString();
aCookie.Expires = DateTime.Now.AddDays(1);
Response.Cookies.Add(aCookie);

ASP.NET中的cookie：读取多值Cookie
HttpCookie aCookie = Request.Cookies["userInfo"];
string userName=aCookie.Values[“userName”];
string lastVisit=aCookie.Values[“lastVisit”];

ASP.NET中的cookie：修改和删除Cookie
不能直接修改或删除Cookie，只能创建一个新的Cookie，发送到客户端以实现修改或删除Cookie。

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