Common/Cache/CacheManage.cs

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using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Web.Caching;
namespace Common
{
    //方法1：Cache["CacheName"] = "CacheValue";
    //方法2：Cache.Insert("CacheName","CacheValue","缓存依赖","绝对过期时间","弹性过期时间","优先级","");
    //方法3：Cache.Add("CacheName","CacheValue","缓存依赖","绝对过期时间","弹性过期时间","优先级","");

    /// <summary>
    ///CacheManage 的摘要说明
    /// </summary>
    public class CacheManage
    {
        protected static volatile System.Web.Caching.Cache webCache = System.Web.HttpRuntime.Cache;
        protected int _timeOut = 1440; // 默认缓存存活期为1440分钟(24小时)
        public CacheManage()
        {
            CacheItemRemovedCallback callback = new CacheItemRemovedCallback(onRemove);
        }
        /// <summary>
        /// 设置到期相对时间[单位：／分钟] 
        /// </summary>
        public int TimeOut
        {
            set { _timeOut = value > 0 ? value : 6000; }
            get { return _timeOut > 0 ? _timeOut : 6000; }
        }
        public static System.Web.Caching.Cache GetWebCacheObj
        {
            get { return webCache; }
        }
        /// <summary>
        /// 加入当前对象到缓存中
        /// </summary>
        /// <param name="objId">对象的键值</param>
        /// <param name="o">缓存的对象</param>
        public void AddObject(string objId, object o)
        {

            if (objId == null || objId.Length == 0 || o == null)
            {
                return;
            }

            CacheItemRemovedCallback callBack = new CacheItemRemovedCallback(onRemove);

            if (TimeOut == 6000)
            {
                webCache.Insert(objId, o, null, DateTime.MaxValue, TimeSpan.Zero, System.Web.Caching.CacheItemPriority.High, callBack);
            }