asp.net中緩衝Cache類的使用案例（附源碼）

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Collections;
using System.Web;

namespace Utility
{
    public class DataCache
    {
        /// <summary>
        /// 擷取當前應用程式指定CacheKey的Cache值
        /// </summary>
        /// <param name="CacheKey"></param>
        /// <returns></returns>
        public static object GetCache(string CacheKey)
        {
            System.Web.Caching.Cache objCache = HttpRuntime.Cache;
            return objCache[CacheKey];
        }

        /// <summary>
        /// 設定當前應用程式指定CacheKey的Cache值
        /// </summary>
        /// <param name="CacheKey"></param>
        /// <param name="objObject"></param>
        public static void SetCache(string CacheKey, object objObject)
        {
            System.Web.Caching.Cache objCache = HttpRuntime.Cache;
            objCache.Insert(CacheKey, objObject);
        }

        /// <summary>
        /// 設定當前應用程式指定CacheKey的Cache值
        /// </summary>
        /// <param name="CacheKey"></param>
        /// <param name="objObject"></param>
        public static void SetCache(string CacheKey, object objObject, DateTime absoluteExpiration, TimeSpan slidingExpiration)
        {
            System.Web.Caching.Cache objCache = HttpRuntime.Cache;
            objCache.Insert(CacheKey, objObject, null, absoluteExpiration, slidingExpiration);
        }
        /// <summary>
        /// 清除單一金鑰快取
        /// </summary>
        /// <param name="key"></param>
        public static void RemoveOneCache(string CacheKey)
        {
            System.Web.Caching.Cache objCache = HttpRuntime.Cache;
            objCache.Remove(CacheKey);
        }
        /// <summary>
        /// 清除所有緩衝
        /// </summary>
        public static void RemoveAllCache()
        {
            System.Web.Caching.Cache _cache = HttpRuntime.Cache;
            IDictionaryEnumerator CacheEnum = _cache.GetEnumerator();
            if (_cache.Count > 0)
            {
                ArrayList al = new ArrayList();
                while (CacheEnum.MoveNext())
                {
                    al.Add(CacheEnum.Key);
                }
                foreach (string key in al)
                {
                    _cache.Remove(key);
                }
            }
        }
        /// <summary>
        /// 以列表形式返回已存在的所有緩衝
        /// </summary>
        /// <returns></returns>
        public static ArrayList ShowAllCache()
        {
            ArrayList al = new ArrayList();
            System.Web.Caching.Cache _cache = HttpRuntime.Cache;
            if (_cache.Count > 0)
            {
                IDictionaryEnumerator CacheEnum = _cache.GetEnumerator();
                while (CacheEnum.MoveNext())
                {
                    al.Add(CacheEnum.Key);
                }
            }
            return al;
        }
    }
   
}