C#

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using System.IO.

串口通讯类：SerialPortDao.csusing System;using System.Collections.Generic;using System.Text;using System.IO.Ports;namespace LY.FuelStationPOS.Protocol{ /// /// 提供对串口的统一访问 ///

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Windows;using System.Windows.Controls;using System.Windows.Data;using System.Windows.Documents;using

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms;using System.IO.Ports;usin