using System; using System.Web; using System.Collections; namespace MSCL { /// <summary> /// Cache辅助类 /// </summary> 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()); } } } }
var cache = MSCL.CacheHelper.GetCache("mydata"); List<TestTable> list = new List<TestTable>(); if (cache == null) { int recordCount = 0; int totalPage = 0; list = RBAC.Dal.DataRootBase.QueryPagingMssql<TestTable>("TestTable", "*", "D_Id asc", 2, 10, "", out recordCount, out totalPage); //插入cache 缓存30秒 MSCL.CacheHelper.SetCache("mydata", list, DateTime.Now.AddSeconds(30), TimeSpan.Zero); } else { list = (List<TestTable>)cache; } foreach (var item in list) { str += string.Format("用户名{0}密码{1}真实姓名{2}--{3}<br>", item.D_Id, item.D_Password, item.D_Name, DateTime.Now); }