/// <summary> /// 获取键值对 /// </summary> internal static object GetValue(string key, bool onlyMemoryCache = false) { lock (_dictLocksForReadCache.GetOrAdd(key, key)) { object memoryCacheValue = MemoryCacheUtil.GetValue(key); if (memoryCacheValue != null) { return(memoryCacheValue); } else { if (!onlyMemoryCache) { CacheData cacheData = FileCacheUtil.GetCacheData(key); if (cacheData != null) { int expirationSeconds = (int)cacheData.updateTime.AddSeconds(cacheData.expirationSeconds).Subtract(DateTime.Now).TotalSeconds; //剩余过期时间 if (cacheData.expirationSeconds == 0) { expirationSeconds = 0; //永不过期的情况 } MemoryCacheUtil.SetValue(key, cacheData.value, expirationSeconds); //登录系统后(非首次登录),MemoryCache为空,FileCache不为空 return(cacheData.value); } } } return(null); } }
/// <summary> /// 保存键值对 /// </summary> internal static void SetValue(string key, object value, bool onlyMemoryCache = false, int expirationSeconds = 0) { MemoryCacheUtil.SetValue(key, value, expirationSeconds); if (!onlyMemoryCache) //有的数据是不能缓存在文件中的,只能缓存在内存中 { FileCacheUtil.SetValue(key, value, expirationSeconds); } }
/// <summary> /// 删除全部缓存 /// </summary> public static void DeleteAll() { MemoryCacheUtil.DeleteAll(); FileCacheUtil.DeleteAll(); }
/// <summary> /// 删除缓存 /// </summary> public static void Delete(string key) { MemoryCacheUtil.Delete(key); FileCacheUtil.Delete(key); }