/// <summary>
        /// 添加与编辑COL_ORDER01记录
        /// </summary>
        /// <param name="page">当前页面指针</param>
        /// <param name="model">COL_ORDER01表实体</param>
        /// <param name="content">更新说明</param>
        /// <param name="isCache">是否更新缓存</param>
        /// <param name="isAddUseLog">是否添加用户操作日志</param>
        public void Save(Page page, COL_ORDER01 model, string content = null, bool isCache = true, bool isAddUseLog = true)
        {
            try {
                //保存
                model.Save();

                //判断是否启用缓存
                if (CommonBll.IsUseCache() && isCache)
                {
                    SetModelForCache(model);
                }

                if (isAddUseLog)
                {
                    if (string.IsNullOrEmpty(content))
                    {
                        content = "{0}" + (model.Id == 0 ? "添加" : "编辑") + "COL_ORDER01记录成功,ID为【" + model.Id + "】";
                    }

                    //添加用户访问记录
                    UseLogBll.GetInstence().Save(page, content);
                }
            }
            catch (Exception e) {
                var result = "执行COL_ORDER01Bll.Save()函数出错!";

                //出现异常,保存出错日志信息
                CommonBll.WriteLog(result, e);
            }
        }
        /// <summary>
        /// 从IIS缓存中获取指定Id记录
        /// </summary>
        /// <param name="id">主键Id</param>
        /// <returns>DataAccess.Model.COL_ORDER01</returns>
        public DataAccess.Model.COL_ORDER01 GetModelForCache(long id)
        {
            try
            {
                //从缓存中读取指定Id记录
                var model = GetModelForCache(x => x.Id == id);

                if (model == null)
                {
                    //从数据库中读取
                    var tem = COL_ORDER01.SingleOrDefault(x => x.Id == id);
                    if (tem == null)
                    {
                        return(null);
                    }
                    else
                    {
                        //对查询出来的实体进行转换
                        model = Transform(tem);
                        return(model);
                    }
                }
                else
                {
                    return(model);
                }
            }
            catch (Exception e)
            {
                //记录日志
                CommonBll.WriteLog("从IIS缓存中获取COL_ORDER01表记录时出现异常", e);

                return(null);
            }
        }
 /// <summary>
 /// 获取指定Id记录
 /// </summary>
 /// <param name="id">主键Id</param>
 /// <param name="isCache">是否从缓存中读取</param>
 /// <returns>DataAccess.Model.COL_ORDER01</returns>
 public DataAccess.Model.COL_ORDER01 GetModel(long id, bool isCache = true)
 {
     //判断是否使用缓存
     if (CommonBll.IsUseCache() && isCache)
     {
         //从缓存中获取List
         var list = GetList();
         if (list == null)
         {
             return(null);
         }
         else
         {
             //在List查询指定主键Id的记录
             return(list.SingleOrDefault(x => x.Id == id));
         }
     }
     else
     {
         //从数据库中直接读取
         var model = COL_ORDER01.SingleOrDefault(x => x.Id == id);
         if (model == null)
         {
             return(null);
         }
         else
         {
             //对查询出来的实体进行转换
             return(Transform(model));
         }
     }
 }
        /// <summary>
        /// 判断指定主键Id的记录是否存在——在IIS缓存或数据库中查找
        /// </summary>
        /// <param name="id">主键Id</param>
        /// <returns></returns>
        public bool Exist(int id)
        {
            if (id <= 0)
            {
                return(false);
            }

            //判断是否启用缓存
            if (CommonBll.IsUseCache())
            {
                return(Exist(x => x.Id == id));
            }

            //从数据库中查找
            return(COL_ORDER01.Exists(x => x.Id == id));
        }
        /// <summary>
        /// 获取数据表中的某个值——从数据库中查询,如果使用了缓存,删除成功后会清空本表的所有缓存记录,然后重新加载进缓存
        /// </summary>
        /// <param name="page">当前页面指针</param>
        /// <param name="expression">条件语句</param>
        /// <param name="isAddUseLog">是否添加用户操作日志</param>
        public void Delete(Page page, Expression <Func <COL_ORDER01, bool> > expression, bool isAddUseLog = true)
        {
            //执行删除
            COL_ORDER01.Delete(expression);

            //判断是否启用缓存
            if (CommonBll.IsUseCache())
            {
                //清空当前表所有缓存记录
                DelAllCache();
                //重新载入缓存
                GetList();
            }

            if (isAddUseLog)
            {
                //添加用户操作记录
                UseLogBll.GetInstence().Save(page, "{0}删除了COL_ORDER01表记录!");
            }
        }
        /// <summary>
        /// 将COL_ORDER01记录实体(SubSonic实体)转换为普通的实体(DataAccess.Model.COL_ORDER01)
        /// </summary>
        /// <param name="model">SubSonic插件生成的实体</param>
        /// <returns>DataAccess.Model.COL_ORDER01</returns>
        public DataAccess.Model.COL_ORDER01 Transform(COL_ORDER01 model)
        {
            if (model == null)
            {
                return(null);
            }

            return(new DataAccess.Model.COL_ORDER01
            {
                Id = model.Id,
                SHOP_ID = model.SHOP_ID,
                COL_ID = model.COL_ID,
                SNo = model.SNo,
                PROD_ID = model.PROD_ID,
                QUANTITY = model.QUANTITY,
                COST_PRICE = model.COST_PRICE,
                STD_UNIT = model.STD_UNIT,
                STD_CONVERT = model.STD_CONVERT,
                STD_QUAN = model.STD_QUAN,
                STD_PRICE = model.STD_PRICE,
            });
        }
        /// <summary>
        /// 从IIS缓存中获取COL_ORDER01表记录
        /// </summary>
        /// <param name="isCache">是否从缓存中读取</param>
        public IList <DataAccess.Model.COL_ORDER01> GetList(bool isCache = true)
        {
            try
            {
                //判断是否使用缓存
                if (CommonBll.IsUseCache() && isCache)
                {
                    //检查指定缓存是否过期——缓存当天有效,第二天自动清空
                    if (CommonBll.CheckCacheIsExpired(const_CacheKey_Date))
                    {
                        //删除缓存
                        DelAllCache();
                    }

                    //从缓存中获取DataTable
                    var obj = CacheHelper.GetCache(const_CacheKey);
                    //如果缓存为null,则查询数据库
                    if (obj == null)
                    {
                        var list = GetList(false);

                        //将查询出来的数据存储到缓存中
                        CacheHelper.SetCache(const_CacheKey, list);
                        //存储当前时间
                        CacheHelper.SetCache(const_CacheKey_Date, DateTime.Now);

                        return(list);
                    }
                    //缓存中存在数据,则直接返回
                    else
                    {
                        return((IList <DataAccess.Model.COL_ORDER01>)obj);
                    }
                }
                else
                {
                    //定义临时实体集
                    IList <DataAccess.Model.COL_ORDER01> list = null;

                    //获取全表缓存加载条件表达式
                    var exp = GetExpression <COL_ORDER01>();
                    //如果条件为空,则查询全表所有记录
                    if (exp == null)
                    {
                        //从数据库中获取所有记录
                        var all = COL_ORDER01.All();
                        list = all == null ? null : Transform(all.ToList());
                    }
                    else
                    {
                        //从数据库中查询出指定条件的记录,并转换为指定实体集
                        var all = COL_ORDER01.Find(exp);
                        list = all == null ? null : Transform(all);
                    }

                    return(list);
                }
            }
            catch (Exception e)
            {
                //记录日志
                CommonBll.WriteLog("从IIS缓存中获取COL_ORDER01表记录时出现异常", e);
            }

            return(null);
        }
 /// <summary>
 /// 更新IIS缓存中指定Id记录
 /// </summary>
 /// <param name="model">记录实体</param>
 public void SetModelForCache(COL_ORDER01 model)
 {
     SetModelForCache(Transform(model));
 }
        /// <summary>
        /// 从IIS缓存中获取指定Id记录
        /// </summary>
        /// <param name="conditionColName">条件列名</param>
        /// <param name="value">条件值</param>
        /// <returns>DataAccess.Model.COL_ORDER01</returns>
        public DataAccess.Model.COL_ORDER01 GetModelForCache(string conditionColName, object value)
        {
            try
            {
                //从缓存中获取List
                var list = GetList();
                DataAccess.Model.COL_ORDER01           model      = null;
                Expression <Func <COL_ORDER01, bool> > expression = null;

                //返回指定条件的实体
                switch (conditionColName)
                {
                case "Id":
                    model      = list.SingleOrDefault(x => x.Id == (int)value);
                    expression = x => x.Id == (int)value;
                    break;

                case "SHOP_ID":
                    model      = list.SingleOrDefault(x => x.SHOP_ID == (string)value);
                    expression = x => x.SHOP_ID == (string)value;
                    break;

                case "COL_ID":
                    model      = list.SingleOrDefault(x => x.COL_ID == (string)value);
                    expression = x => x.COL_ID == (string)value;
                    break;

                case "SNo":
                    model      = list.SingleOrDefault(x => x.SNo == (int)value);
                    expression = x => x.SNo == (int)value;
                    break;

                case "PROD_ID":
                    model      = list.SingleOrDefault(x => x.PROD_ID == (string)value);
                    expression = x => x.PROD_ID == (string)value;
                    break;

                case "QUANTITY":
                    model      = list.SingleOrDefault(x => x.QUANTITY == (decimal)value);
                    expression = x => x.QUANTITY == (decimal)value;
                    break;

                case "COST_PRICE":
                    model      = list.SingleOrDefault(x => x.COST_PRICE == (decimal)value);
                    expression = x => x.COST_PRICE == (decimal)value;
                    break;

                case "STD_UNIT":
                    model      = list.SingleOrDefault(x => x.STD_UNIT == (string)value);
                    expression = x => x.STD_UNIT == (string)value;
                    break;

                case "STD_CONVERT":
                    model      = list.SingleOrDefault(x => x.STD_CONVERT == (int)value);
                    expression = x => x.STD_CONVERT == (int)value;
                    break;

                case "STD_QUAN":
                    model      = list.SingleOrDefault(x => x.STD_QUAN == (decimal)value);
                    expression = x => x.STD_QUAN == (decimal)value;
                    break;

                case "STD_PRICE":
                    model      = list.SingleOrDefault(x => x.STD_PRICE == (decimal)value);
                    expression = x => x.STD_PRICE == (decimal)value;
                    break;

                default:
                    return(null);
                }

                if (model == null)
                {
                    //从数据库中读取
                    var tem = COL_ORDER01.SingleOrDefault(expression);
                    if (tem == null)
                    {
                        return(null);
                    }
                    else
                    {
                        //对查询出来的实体进行转换
                        model = Transform(tem);

                        return(model);
                    }
                }
                else
                {
                    return(model);
                }
            }
            catch (Exception e)
            {
                //记录日志
                CommonBll.WriteLog("从IIS缓存中获取COL_ORDER01表记录时出现异常", e);

                return(null);
            }
        }