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我面臨ASP .NET MVC的問題。我正在研究一種允許會話在死亡(過期)後恢復的技術。為了使這項技術起作用,我需要一種能夠在調用控制器的操作方法之後寫入響應的方法。
哪種方法最好?是否有一個動作過濾器? 
如果要使用基於屬性的方法,請從ActionFilterAttribute派生並重寫OnActionExecuted(在執行動作之後執行,但在執行結果之前運行)或OnResultExecuted(在執行結果之後執行,例如在視圖執行之後)呈現)。
如果您不採用屬性方式,請實現IActionFilter或IResultFilter並實現上述方法。
您可以分別通過filterContext.HttpContext.Response.Output或filterContext.HttpContext.Response.OutputStream訪問輸出編寫器/輸出流。
1個
|
創建一個將在執行操作後發生的過濾器,如下所示:
使用系統;
命名空間示例
{
[AttributeUsage(AttributeTargets.Method,AllowMultiple = false,Inherited = true)]
公共類SampleFilter:ActionFilterAttribute
{
公共重寫void OnActionExecuted(ActionExecutedContext filterContext)
{
base.OnActionExecuted(filterContext);
}
}
}
然後像這樣裝飾您的動作:
[SampleFilter]
公共虛擬ActionResult Index()
{
返回View();
}
|
你的答案
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