using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using ICommLayer;
using DBFactory;
namespace Symbol3204
{
    public class CGetSerialData:IGetSerialData 
    {
        string _commLayerError;

        public string CommLayerError
        {
            get { return _commLayerError; }
            set { _commLayerError = value; }
        }
        DBOperator dbo = new DBOperator();
        public CGetSerialData()
        {
            dbo.Open();
        }
        public string GetSerialData(int DeviceIndex)
        {
            try
            {
                CScan cs; ;
                DataSet ds = dbo.ExceSQL("SELECT  F_DeviceIndex,F_DeviceKindIndex, F_CommSettings,  F_SerialPort  FROM T_Base_Device where F_DeviceIndex=" + DeviceIndex);
                DataView dv = ds.Tables[0].DefaultView;

                if (ds.Tables[0].DefaultView.Count > 0)
                {

                    cs = new CScan(Convert.ToInt16(dv[0]["F_SerialPort"]), Convert.ToString(dv[0]["F_CommSettings"]));
                    cs.StartSession();
                    string bc = cs.ScanBarCode(8);
                    //如果没收到条码，考虑是否需要循环发送10次
                    cs.StopScan();
                    return bc;
                }
                else
                {
                    return null;
                }
            }
            catch (Exception ex)
            {
                _commLayerError = "Symbol3204：GetSerialData---" + ex.Message;
                return null;
            }
        }
    }
}