cookie存取和設置過期時間

創建

//第一種 Response.Cookies["userName"].Value = "patrick"; Response.Cookies["userName"].Expires = DateTime.Now.AddDays(1);//存的時候指定過期時間

//第二種 HttpCookie aCookie = new HttpCookie("lastVisit"); aCookie.Value = DateTime.Now.ToString(); aCookie.Expires = DateTime.Now.AddDays(1); Response.Cookies.Add(aCookie);

讀取

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

 

設置cookie過期時間

默認cookies失效時間是直到關閉瀏覽器，cookies失效，也可以指定cookies時間。

Response.Cookies("user_name").Expires=Date+1 '指定cookie保存時間

保留COOKIES一個小時

Response.Cookies("MyCookie").Expires= (now()+1/24)
Response.Cookies("MyCookie").Expires = DateAdd("h", 1, Now())