Question

我从最近几个月开始研究C＃.net MVC3项目。我没有通过任何教程来了解.net是如何工作的，但我是基于Java和.Net之间的比较而学习的。现在我无法理解一些基本的东西。

这是我的问题我想维护应用程序级缓存（不是会话级别或请求级别），所以我在内存字典对象中创建并想要使用它。不幸的是，即使我在global.asax.cs文件中声明并初始化，缓存对象也会重新初始化每个请求。

这是我的代码请帮帮我。

CachedComponents.cs
==============

public class CachedComponents
   {
    private static readonly ILog log = LogManager.GetLogger("CachedComponents");
    private Dictionary<string, TridionComponent> componentCache = new Dictionary<string, TridionComponent>();

    public CachedTridionComponentsRepository()
    {
    }
 public bool IsExistInCache(string uri)
    {
        return componentCache.ContainsKey(uri);
    }

    public TridionComponent getCachedItem(string key)
    {
        if (componentCache.ContainsKey(key))
        {
            log.Info("[getCachedItem] Cached Item found " + key);
            return componentCache[key];
        }
        else
        {
            return null;
        }

    }

    public void Add(string key, TridionComponent value)
    {
        if (componentCache.ContainsKey(key))
        {
            log.Debug("[Add] Item is already Cached...Cache has been Updated...");
            componentCache[key] = value;
        }
        else
        {
            log.Debug("[Add] Item has been added to cache");
            componentCache.Add(key, value);
        }
    }

     }

Global.asax.cs
========= 
protected void Application_Start(object sender, EventArgs e)
    {
        AreaRegistration.RegisterAllAreas();
        RegisterGlobalFilters(GlobalFilters.Filters);
        RegisterRoutes(RouteTable.Routes);
        log4net.Config.XmlConfigurator.Configure();


        CachedComponents componentsCache = new CachedComponents();
        Application.Add("seeta", "seeta");
        Application.Add("componentsCache", componentsCache);
    }

    MyBusiness.cs
    ============= 

    public class MyBusiness
{
    private CachedComponets cache = null;
    public MyBusiness() 
    {
        if(cache == null)
            cache = HttpContext.Cuurent.Application.get("componentsCache");
    }
    public TridionComponent myBusinessMethod() 
    {
        if (cache.IsExistInCach("uri"))
            return cache.getCachedItem("uri");
        TridionComponent tc = GetTridionComponent();
        cache.Add("uri",tc);
        return tc;
    }

}

Answer 1

像对ILog一样设置为static字典。这应该有效

如何在MVC3中使用特定于应用程序的对象？

1 个答案: