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

namespace?Common
{
????public?class?CacheHelper
????{
????????///?

????????///?創(chuàng)建緩存項(xiàng)的文件依賴
????????///?

????????///?緩存Key
????????///?object對象
????????///?文件絕對路徑
????????public?static?void?Insert（string?key?object?obj?string?fileName）
????????{
????????????//創(chuàng)建緩存依賴項(xiàng)
????????????CacheDependency?dep?=?new?CacheDependency（fileName）;
????????????//創(chuàng)建緩存
????????????HttpContext.Current.Cache.Insert（key?obj?dep）;
????????}

????????///?
?Cache.NoAbsoluteExpiration?new?TimeSpan（0?expires?0）
????????///?創(chuàng)建緩存項(xiàng)過期
????????///?

????????///?