1 protected void Page_Load(object sender, EventArgs e) 2 { 3 //打开登录页面时获取客户端cookie值并写入前台控件中 4 HttpCookie cookie = Request.Cookies["name"]; 5 if (cookie == null) 6 { 7 UserName.Text = ""; 8 9 } 10 else 11 { 12 UserName.Text = cookie.Value; 13 } 14 } 15 16 protected void btnSubmit_Click(object sender, EventArgs e) 17 { 18 string username = Request.QueryString["UserName"]; 19 string password = Request.QueryString["PassWord"]; 20 if (登录成功) 21 { 22 Response.Write("登陆成功"); 23 HttpCookie cookie=new HttpCookie("name",username);//获取用户的用户名 24 cookie.Expires = DateTime.Now.AddDays(10);//设置cookie过期时间为10天后 25 Response.Cookies.Add(cookie);//将cookie写入客户端 26 } 27 else 28 { 29 Response.Write("登陆失败"); 30 } 31 }