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

namespace Stone.WinBiz.SystemData
{
    public class F_RFID
    {
        public static string GetRfid(string rfid)
        {
            string ret = "";

            SqlConnection conn = new System.Data.SqlClient.SqlConnection(GetConnString());
            try
            {
                conn.Open();

                string sql = "select n_PaintMCode as U9PaintNo from tWorkLog where n_state=1 and s_PaintTID='" + rfid + "' order by n_WorkLogId desc";
                SqlDataAdapter sda = new SqlDataAdapter(sql, conn);

                DataSet dsData = new DataSet();
                sda.Fill(dsData);

                if (dsData.Tables[0].Rows.Count == 0)
                {
                    throw new Exception("未取到 " + rfid + " 的数据");
                }

                ret = dsData.Tables[0].Rows[0]["U9PaintNo"].ToString();
                return ret;
            }
            catch (Exception ex)
            {
                throw ex;
            }
            finally
            {
                if (conn.State == System.Data.ConnectionState.Open) conn.Close();
            }

        }

        public static string GetConnString()
        {
            Entity.Entity_t_Sys_Appconfig t_Sys_Appconfig = new Entity.Entity_t_Sys_Appconfig();
            return t_Sys_Appconfig.GetData("[Code]='RFID'").Tables[0].Rows[0]["Value"].ToString();
        }
    }
}