.NET WEB 缓存

using System;
using System.Web;

/// <summary>
/// 缓存相关的操作类
/// Copyright (C) Maticsoft
/// </summary>
public class DataCache
{
/// <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];
}

/// <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>
/// 移除指定数据缓存
/// </summary>
public static void RemoveCache(string CacheKey)
{
try
{
System.Web.Caching.Cache _cache = HttpRuntime.Cache;
_cache.Remove(CacheKey);
}
catch { }
}
/// <summary>
/// 移除全部缓存
/// </summary>
public static void RemoveAllCache()
{
System.Web.Caching.Cache _cache = HttpRuntime.Cache;
System.Collections.IDictionaryEnumerator CacheEnum = _cache.GetEnumerator();
while (CacheEnum.MoveNext())
{
_cache.Remove(CacheEnum.Key.ToString());
}
}
}