1using System;
2using System.Web;
3using System.Web.Mvc;
4
5public class CacheFilterAttribute : ActionFilterAttribute
6{
7    /// <summary>

8    /// Gets or sets the cache duration in seconds. The default is 10 seconds.

9    /// </summary>

10    /// <value>The cache duration in seconds.</value>

11    public int Duration
12    {
13        get;
14        set;
15    }
16
17    public CacheFilterAttribute()
18    {
19        Duration = 10;
20    }
21
22    public override void OnActionExecuted(FilterExecutedContext filterContext)
23    {
24        if (Duration <= 0) return;
25
26        HttpCachePolicyBase cache = filterContext.HttpContext.Response.Cache;
27        TimeSpan cacheDuration = TimeSpan.FromSeconds(Duration);
28
29        cache.SetCacheability(HttpCacheability.Public);
30        cache.SetExpires(DateTime.Now.Add(cacheDuration));
31        cache.SetMaxAge(cacheDuration);
32        cache.AppendCacheExtension("must-revalidate, proxy-revalidate");
33    }
34}

[CacheFilter(Duration = 60)]
public void Category(string name, int? page)