页面缓存设置

来源：互联网发布：千兆路由器知乎编辑：程序博客网时间：2024/05/22 14:43
using System;using System.Web;using System.Web.Mvc;namespace FmallExternal.Helper.MvcWeb{    /// <summary>    /// 页面缓存设置    /// </summary>    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, Inherited = false, AllowMultiple = false)]    public sealed class CacheFilterAttribute : OutputCacheAttribute    {        bool IgnoreChildCache(ControllerContext filterContext)        {            return filterContext.IsChildAction                && (Location == System.Web.UI.OutputCacheLocation.None || Duration == 0);        }        /// <summary>        /// 在执行操作方法后由 ASP.NET MVC 框架调用。        /// </summary>        /// <param name="filterContext">筛选器上下文。</param>        public override void OnActionExecuting(ActionExecutingContext filterContext)        {            if (filterContext != null)            {                if (IgnoreChildCache(filterContext))                {                    return;                }                else                {                    filterContext.HttpContext.Response.Cache.SetOmitVaryStar(true);                    base.OnActionExecuting(filterContext);                }            }        }        /// <summary>        /// 此方法是 System.Web.Mvc.IActionFilter.OnActionExecuted(System.Web.Mvc.ActionExecutedContext)        /// 的实现并支持 ASP.NET MVC 基础结构。它不应直接在您的代码中使用。        /// </summary>        /// <param name="filterContext">筛选器上下文。</param>        public override void OnResultExecuted(ResultExecutedContext filterContext)        {            if (IgnoreChildCache(filterContext))            {                return;            }            else            {                base.OnResultExecuted(filterContext);            }        }        /// <summary>        /// 在操作结果执行之前调用。        /// </summary>        /// <param name="filterContext">筛选器上下文，它封装有关使用 System.Web.Mvc.AuthorizeAttribute 的信息。</param>        public override void OnResultExecuting(ResultExecutingContext filterContext)        {            if (IgnoreChildCache(filterContext))            {                return;            }            else            {                base.OnResultExecuting(filterContext);            }        }    }}
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