企业库缓存类（EnterpriseLibrary CacheHelper ）

public class CacheHelper<T>
    {
        CacheManager cache = CacheFactory.GetCacheManager();
        /// <summary>
        /// 从缓存中取数据
        /// </summary>
        /// <param name="keyword"></param>
        /// <returns></returns>
        public T GetCache(string keyword)
        {
            return (T)cache.GetData(keyword);
        }
        /// <summary>
        /// 加入缓存
        /// </summary>
        /// <param name="keyword"></param>
        /// <param name="cachedata"></param>
        public void PushCache(string keyword, T cachedata)
        {
            cache.Add(keyword, cachedata);
        }
        /// <summary>
        /// 从缓存中移除一项
        /// </summary>
        /// <param name="keyword"></param>
        public void RemoveCache(string keyword)
        {
            cache.Remove(keyword);
        }
        /// <summary>
        /// 清除缓存
        /// </summary>
        public void FlushCache()
        {
            cache.Flush();
        }

    }