Common/CacheManager.cs

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using System;
using System.Collections.Generic;
using System.Text;
using System.Web.Caching;


namespace Common
{
    /// <summary>
    /// 缓存处理类
    /// </summary>
    public class CacheManager
    {
        private static object lockObj = new object();
        /// <summary>
        /// 缓存对象
        /// </summary>
        private static System.Web.Caching.Cache webcache = System.Web.HttpRuntime.Cache;
        /// <summary>
        /// 默认缓存时间(1小时)
        /// </summary>
        private static int _timeOut = 3600;
        /// <summary>
        /// 设置到期相对时间[单位: 秒] 
        /// </summary>
        public static int TimeOut
        {
            set { _timeOut = value > 0 ? value : 3600; }
            get { return _timeOut > 0 ? _timeOut : 3600; }
        }
        /// <summary>
        /// 添加常用数据到缓存,使用滑动到期时间
        /// </summary>
        /// <param name="objId"></param>
        /// <param name="value"></param>
        public static void AddObjectOfenUsed(string objId, object value)
        {
            if (objId == null || objId.Length == 0 || value == null)
            {

                return;
            }
            lock (lockObj)
            {
                webcache.Insert(objId, value, null,
                    System.Web.Caching.Cache.NoAbsoluteExpiration,
                    TimeSpan.FromSeconds(TimeOut));//滑动到期时间
            }


        }
        /// <summary>
        /// 添加普通数据到缓存,使用绝对时间
        /// </summary>
        /// <param name="objId"></param>
        /// <param name="value"></param>
        public static void AddObjectNormal(string objId, object value)
        {
            if (objId == null || objId.Length == 0 || value == null)
            {