.NET平台依赖注入机制及IoC的设计与实现_.Net教程

using System;
using System.Web;
using System.Web.Caching;

namespace NGuestBook.Utility
{
/**//// <summary>
/// 辅助类，用于缓存操作
/// </summary>
public sealed class CacheAccess
{
/**//// <summary>
/// 将对象加入到缓存中
/// </summary>
/// <param name="cacheKey">缓存键</param>
/// <param name="cacheObject">缓存对象</param>
/// <param name="dependency">缓存依赖项</param>
public static void SaveToCache(string cacheKey, object cacheObject, CacheDependency dependency)
{
Cache cache = HttpRuntime.Cache;
cache.Insert(cacheKey, cacheObject, dependency);
}

/**//// <summary>
/// 从缓存中取得对象，不存在则返回null
/// </summary>
/// <param name="cacheKey">缓存键</param>
/// <returns>获取的缓存对象</returns>
public static object GetFromCache(string cacheKey)
{
Cache cache = HttpRuntime.Cache;

return cache[cacheKey];
}
}
}