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  • CacheHelper.cs(20170223)

    using System;
    using System.Collections;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;
    using System.Web;
    using System.Web.Caching;
    
    namespace System.CRM.Common
    {
        /// <summary>
        /// 缓存操作助手类
        /// </summary>
        public class CacheHelper
        {
            /// <summary>
            /// 获取数据缓存
            /// </summary>
            /// <param name="key">Cache的Key值</param>
            public static object GetCache(string key)
            {
                return HttpRuntime.Cache.Get(key);
            }
    
            /// <summary>
            /// 设置数据缓存
            /// </summary>
            /// <param name="key">Cache的Key值</param>
            /// <param name="value">Cache的Value值</param>
            public static void SetCache(string key, object value)
            {
                HttpRuntime.Cache.Insert(key, value);
            }
    
            /// <summary>
            /// 设置数据缓存
            /// </summary>
            /// <param name="key">Cache的Key值</param>
            /// <param name="value">Cache的Value值</param>
            /// <param name="timeout">最后一次访问Cache超过该时间间隔,则该Cache会被移除</param>
            public static void SetCache(string key, object value, TimeSpan timeout)
            {
                Cache objCache = HttpRuntime.Cache;
                objCache.Insert(key, value, null, DateTime.MaxValue, timeout, CacheItemPriority.NotRemovable, null);
            }
    
            /// <summary>
            /// 设置数据缓存
            /// </summary>
            /// <param name="key">Cache的Key值</param>
            /// <param name="value">Cache的Value值</param>
            /// <param name="absolute">超时时间(单位:天)</param>
            /// <param name="timeout">最后一次访问Cache超过该时间间隔,则该Cache会被移除</param>
            public static void SetCache(string key, object value, double absolute, TimeSpan timeout)
            {
                Cache objCache = HttpRuntime.Cache;
                objCache.Insert(key, value, null, DateTime.UtcNow.AddDays(absolute), timeout);
            }
    
            /// <summary>
            /// 移除指定数据缓存
            /// </summary>
            /// <param name="key">Cache的Key值</param>
            public static void RemoveCache(string key)
            {
                HttpRuntime.Cache.Remove(key);
            }
    
            /// <summary>
            /// 移除全部缓存
            /// </summary>
            public static void RemoveAllCache()
            {
                Cache cache = HttpRuntime.Cache;
                IDictionaryEnumerator ide = cache.GetEnumerator();
                while (ide.MoveNext())
                {
                    cache.Remove(ide.Key.ToString());
                }
            }
        }
    
    }
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  • 原文地址:https://www.cnblogs.com/zyx321/p/6435838.html
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