开启SQLSERVER数据库缓存依赖优化网站性能(2)

using System;
using System.Collections.Generic;
using System.Web;
using System.Text;
namespace Jake
{
public class DataCache
{
/// <summary>
/// 获取当前应用程序指定CacheKey的Cache值
/// </summary>
/// <param></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></param>
/// <param></param>
public static void SetCache(string CacheKey, object objObject)
{
System.Web.Caching.Cache objCache = HttpRuntime.Cache;
objCache.Insert(CacheKey, objObject);
}
/// <summary>
/// 设置已缓存依赖的方式缓存数据
/// </summary>
/// <param>键值</param>
/// <param>缓存对象</param>
/// <param>缓存依赖项</param>
public static void SetCache(string CacheKey, object objObject, System.Web.Caching.CacheDependency dep)
{
System.Web.Caching.Cache objCache = HttpRuntime.Cache;
objCache.Insert(
CacheKey,
objObject,
dep,
System.Web.Caching.Cache.NoAbsoluteExpiration,//从不过期
System.Web.Caching.Cache.NoSlidingExpiration,//禁用可调过期
System.Web.Caching.CacheItemPriority.Default,
null
);
}
}
}

至此，对于数据表的缓存依赖就已经开启，这样可以大大加快网站访问的速度。
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