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  • mvc 缓存页面 减轻服务器压力

    方法:

     1 using System;
     2 using System.Collections.Generic;
     3 using System.Linq;
     4 using System.Web;
     5 using System.Web.Mvc;
     6 namespace PaiXie.Pos.Admin {
     7     /// <summary>
     8     /// 缓存页面
     9     /// </summary>
    10     public class CacheFilterAttribute : ActionFilterAttribute {
    11         /// <summary>
    12         /// Gets or sets the cache duration in seconds. The default is 10 seconds.
    13         /// </summary>
    14         /// <value>The cache duration in seconds.</value>
    15         public int Duration {
    16             get;
    17             set;
    18         }
    19         public CacheFilterAttribute() {
    20             Duration = 60;
    21         }
    22         public override void OnActionExecuted(ActionExecutedContext filterContext) {        
    23             if (Duration <= 0) return;
    24             HttpCachePolicyBase cache = filterContext.HttpContext.Response.Cache;
    25             TimeSpan cacheDuration = TimeSpan.FromSeconds(Duration);
    26             cache.SetCacheability(HttpCacheability.Public);
    27             cache.SetExpires(DateTime.Now.Add(cacheDuration));
    28             cache.SetMaxAge(cacheDuration);
    29             cache.AppendCacheExtension("must-revalidate, proxy-revalidate");
    30         }    
    31     }
    32 }
    View Code

    调用:

    1      [CacheFilter]
    2         public ActionResult Index() {
    3 }
    View Code
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  • 原文地址:https://www.cnblogs.com/lyl6796910/p/5213334.html
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