RM.Common/DotNetCode/CacheHelper.cs

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using RM.Common.DotNetConfig;
using System;
using System.Collections;
using System.Web;
using System.Web.Caching;

namespace RM.Common.DotNetCode
{
    public class CacheHelper
    {
        public static void InsertFile(string key, object obj, string fileName)
        {
            CacheDependency dep = new CacheDependency(fileName);
            HttpContext.Current.Cache.Insert(key, obj, dep);
        }

        public static void Insert(string key, object obj)
        {
            if (obj != null)
            {
                int expires = CommonHelper.GetInt(ConfigHelper.GetAppSettings("TimeCache"));
                HttpContext.Current.Cache.Insert(key, obj, null, Cache.NoAbsoluteExpiration, new TimeSpan(0, expires, 0));
            }
        }

        public static bool IsExist(string strKey)
        {
            return HttpContext.Current.Cache[strKey] != null;
        }

        public static object GetCache(string key)
        {
            object result;
            if (string.IsNullOrEmpty(key))
            {
                result = null;
            }
            else
            {
                if (ConfigHelper.GetAppSettings("IsCache") == "false")
                {
                    result = null;
                }
                else
                {
                    result = HttpContext.Current.Cache.Get(key);
                }
            }
            return result;
        }

        public static T Get<T>(string key)
        {
            object obj = CacheHelper.GetCache(key);
            return (obj == null) ? default(T) : ((T)((object)obj));
        }

        public static void RemoveAllCache(string CacheKey)
        {
            Cache _cache = HttpRuntime.Cache;