BLL/CacheHelper.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using Common;

namespace BLL
{
    public  class CacheHelper
    {
        /// <summary>
        /// 字典所有数据缓存
        /// </summary>
        /// <returns></returns>
        public static DataSet DictionaryData()
        {
            DataSet ds = null;
            CacheManage cache = new CacheManage();
            object objDs = cache.RetrieveObject("Dictionary");
            if (objDs == null)
            {

                string sSql = @"select m.DictionaryID,m.DictionaryCode,m.IsPublic,m.Status,m.Description,d.ItemKey,d.ItemValue,d.IsDef
    FROM T_Dictionary m join T_DictionaryInfo d on m.DictionaryID=d.DictionaryID
";
                ds = DbHelperSQL.Query(sSql);
                cache.AddObjectWith("Dictionary", ds);
            }
            else
            {
                ds = (DataSet)objDs;
            }
            return ds;
        }
        public static T_WebSite  website()
        {
            T_WebSite model = null;
            CacheManage cache = new CacheManage();
            WeiMaiShopEntities ef = new WeiMaiShopEntities();

            object objDs = cache.RetrieveObject("website");
            if (objDs == null)
            {

                model = ef.T_WebSite.FirstOrDefault(p => p.ID == 1);
                cache.AddObjectWith("website", model);
            }
            else
            {
                model = (T_WebSite)objDs;
            }
            ef.Dispose();
            return model;
        }
        public static DataSet IndexRoom()
        {
            DataSet ds = null;
            CacheManage cache = new CacheManage();
            object objDs = cache.RetrieveObject("IndexRoom");