在Asp.Net MVC項目中通過重寫ActionFilterAttribute中的方法，我們就可以在輕松的在Action方法執行前后做一些特殊的操作如：[身份認證、日志記錄、內容截取等]。

但是我們要想在OnResultExecuting\OnResultExecuted中獲取Actioin返回的HTML該怎么做呢？

廢話不多說先看代碼如下：

運行結果如下：

微軟官方的ActionFilterAttribute定義如下：

using System;namespace System.Web.Mvc{/// <summary>Represents the base class for filter attributes.</summary>[AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, Inherited = true, AllowMultiple = false)]public abstract class ActionFilterAttribute : FilterAttribute, IActionFilter, IResultFilter{/// <summary>Called by the ASP.NET MVC framework before the action method executes.</summary>/// <param name="filterContext">The filter context.</param>public virtual void OnActionExecuting(ActionExecutingContext filterContext){}/// <summary>Called by the ASP.NET MVC framework after the action method executes.</summary>/// <param name="filterContext">The filter context.</param>public virtual void OnActionExecuted(ActionExecutedContext filterContext){}/// <summary>Called by the ASP.NET MVC framework before the action result executes.</summary>/// <param name="filterContext">The filter context.</param>public virtual void OnResultExecuting(ResultExecutingContext filterContext){}/// <summary>Called by the ASP.NET MVC framework after the action result executes.</summary>/// <param name="filterContext">The filter context.</param>public virtual void OnResultExecuted(ResultExecutedContext filterContext){}}}

轉載于:https://www.cnblogs.com/lcxmvc/p/4637753.html

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