【强烈推荐】开源C#工具类MSCL系列（四）缓存Cache帮助类

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>
/// <param name="CacheKey">键</param>
/// <param name="objObject">值</param>
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>
/// <param name="CacheKey">键</param>
/// <param name="objObject">值</param>
/// <param name="Timeout">过期时间</param>
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 如SetCache("mydata", list, DateTime.Now.AddSeconds(30), TimeSpan.Zero)
/// </summary>
/// <param name="CacheKey">键</param>
/// <param name="objObject">值</param>
/// <param name="absoluteExpiration">参数</param>
/// <param name="slidingExpiration">参数</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>
/// <param name="CacheKey">键</param>
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());
}
}
}
}