HttpResponse.Cache 屬性

定義

命名空間:

System.Web

組件:

System.Web.dll

取得網頁的快取原則 (例如，到期時間、隱私權設定與 Vary 子句)。

public:
 property System::Web::HttpCachePolicy ^ Cache { System::Web::HttpCachePolicy ^ get(); };

public System.Web.HttpCachePolicy Cache { get; }

member this.Cache : System.Web.HttpCachePolicy

Public ReadOnly Property Cache As HttpCachePolicy

屬性值

HttpCachePolicy

HttpCachePolicy 物件，包含目前回應之快取原則的相關資訊。

範例

下列範例會將目前快取原則的屬性寫入 HTTP 輸出資料流程。

Response.Cache.SetExpires(DateTime.Now.AddSeconds(60));
Response.Cache.SetCacheability(HttpCacheability.Public);
Response.Cache.SetValidUntilExpires(false);
Response.Cache.VaryByParams["Category"] = true;

if (Response.Cache.VaryByParams["Category"])
{
   //...
}

Response.Cache.SetExpires(DateTime.Now.AddSeconds(60))
Response.Cache.SetCacheability(HttpCacheability.Public)
Response.Cache.SetValidUntilExpires(False)
Response.Cache.VaryByParams("Category") = True

If Response.Cache.VaryByParams("Category") Then
   '...
End If