C# 数据缓存帮助类

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using System;using System.Web;using System.Collections;namespace DotNet.Utilities{    public class CacheHelper    {        /// <summary>        /// 获取数据缓存        /// </summary>        /// <param name="CacheKey">键</param>        public static object GetCache(string CacheKey)        {            System.Web.Caching.Cache objCache = HttpRuntime.Cache;            return objCache[CacheKey];        }        /// <summary>        /// 设置数据缓存        /// </summary>        public static void SetCache(string CacheKey, object objObject)        {            System.Web.Caching.Cache objCache = HttpRuntime.Cache;            objCache.Insert(CacheKey, objObject);        }        /// <summary>        /// 设置数据缓存        /// </summary>        public static void SetCache(string CacheKey, object objObject, TimeSpan Timeout)        {            System.Web.Caching.Cache objCache = HttpRuntime.Cache;            objCache.Insert(CacheKey, objObject, null, DateTime.MaxValue, Timeout, System.Web.Caching.CacheItemPriority.NotRemovable, null);        }        /// <summary>        /// 设置数据缓存        /// </summary>        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>        /// 移除指定数据缓存        /// </summary>        public static void RemoveAllCache(string CacheKey)        {            System.Web.Caching.Cache _cache = HttpRuntime.Cache;            _cache.Remove(CacheKey);        }        /// <summary>        /// 移除全部缓存        /// </summary>        public static void RemoveAllCache()        {            System.Web.Caching.Cache _cache = HttpRuntime.Cache;            IDictionaryEnumerator CacheEnum = _cache.GetEnumerator();            while (CacheEnum.MoveNext())            {                _cache.Remove(CacheEnum.Key.ToString());            }        }    }}
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