有什么方法可以在asp.net中設置到期標頭，而無需在IIS 6 Configuration Manager中進行更改

Question

我需要在Asp.net代碼中設置到期標頭。是否可以通過任何方法通過代碼添加到期標頭？

我試圖在我的asp頁面中添加以下代碼

<% System.Web.HttpContext.Current.Response.AddHeader( "Cache-Control","no-cache"); System.Web.HttpContext.Current.Response.Expires = 0; System.Web.HttpContext.Current.Response.Cache.SetNoStore(); System.Web.HttpContext.Current.Response.AddHeader("Pragma", "no-cache");%>

<%@ OutputCache Duration="86400" Location="Client" VaryByParam="None" %>

並在我的C＃頁面中添加了以下內容...

Response.AddHeader("Expires", "Thu, 01 Dec 2014 16:00:00 GMT");
和

Response.Cache.SetCacheability(HttpCacheability.Public); Response.Cache.SetMaxAge(TimeSpan.FromSeconds(3600)); Response.Cache.SetExpires(DateTime.UtcNow.AddSeconds(3600));

並將其添加到web，config文件

<clientCache httpExpires="Sun, 29 Mar 2020 00:00:00 GMT" cacheControlMode="UseExpires" />

Answer 1

HttpContext.Current.Response.Cache.SetCacheability(HttpCacheability.Public);
HttpContext.Current.Response.Cache.SetExpires(yourCalculatedDateTime);

Answer 2

您可以按如下所示在每頁上定義它

Response.Cache.SetExpires(DateTime.Now.AddSeconds(60));
Response.Cache.SetCacheability(HttpCacheability.Public);
Response.Cache.SetValidUntilExpires(true);

或者，您也可以在aspx頁面中以聲明方式進行操作，如下所示

<%@ OutputCache Duration="60" VaryByParam="None" %>