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public class CacheClass { /// <summary> /// 获取当前应用程序指定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].ToString(); } /// <summary> /// 设置当前应用程序指定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> /// 设置当前应用程序指定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> /// 清除单一键缓存 /// </summary> /// <param name="key"></param> public static void RemoveOneCache(string CacheKey) { System.Web.Caching.Cache objCache = HttpRuntime.Cache; objCache.Remove(CacheKey); } /// <summary> /// 以列表形式返回已存在的所有缓存 /// </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; } }
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