using System;
using System.Collections.Generic;
using WCS.Business.Dto;

namespace WCS.Business.Dao
{
    public class PlcDao
    {
        public PlcDao() { }

        private static PlcDao _instance;

        public static PlcDao Instance()
        {
            if (_instance == null)
            {
                _instance = new PlcDao();
            }
            return _instance;
        }


        /// <summary>
        /// 获取PLC信息
        /// </summary>
        /// <returns></returns>
        public List<PlcDto> GetLotInfo()
        {
            try
            {
                List<PlcDto> plcs = DataCommon.DBServer.Queryable<PlcDto>().ToList();
                return plcs;

                //第二种 SQL语句的方式
                //string sql = $"select * FROM t_plc ";
                //var sqlFunc = DataCommon.DBServer.SqlQueryable<PlcDto>(sql);
                //return sqlFunc.ToList();
            }
            catch (Exception ex)
            {
                _ = ex;
                return new List<PlcDto>();
            }
        }

    }
}