在網上找了一堆的方法 基本都是C++或者VB 的DLL調用之類的
????其實還有另一種2005的SerialPort方法?
下載源代碼
???---------------------------控制臺程序----------------------

using System;
using System.Collections.Generic;
using System.Text;
using System.IO.Ports;

namespace EAD.POS
{
??? class SerialPortOutput
??? {
??????? /// <summary>
??????? /// 總計
??????? /// </summary>
??????? /// <param name="value">The value.</param>
??????? public static void Sum(string value)
??????? {
??????????? Clear();
??????????? //收款();
??????????? //找零();
??????????? newData(value);
??????????? 總計();
??????? }
??????? /// <summary>
??????? /// 單價
??????? /// </summary>
??????? /// <param name="value">The value.</param>
??????? public static void UnitPrice(string value)
??????? {
??????????? Clear();
??????????? newData(value);
??????????? 單價();
??????? }
??????? /// <summary>
??????? /// 收款
??????? /// </summary>
??????? /// <param name="value">The value.</param>
??????? public static void Get(string value)
??????? {
??????????? Clear();
??????????? newData(value);
??????????? 收款();
??????? }
??????? /// <summary>
??????? /// 找零
??????? /// </summary>
??????? /// <param name="value">The value.</param>
??????? public static void change(string value)
??????? {
??????????? Clear();
??????????? newData(value);
??????????? 找零();
??????? }
??????? /// <summary>
??????? ///全暗.是找零 全價 收款 這幾個燈
??????? /// </summary>
??????? public static void AllBlack()
??????? {
??????????? SerialPort serialPort1 = new SerialPort();
??????????? serialPort1.PortName = "COM1";
??????????? serialPort1.BaudRate = 2400;
??????????? serialPort1.Open();
??????????? serialPort1.WriteLine(@"s0");
??????????? serialPort1.Close();
??????? }
??????? /// <summary>
??????? /// 清屏.
??????? /// </summary>
??????? public static void Clear()
??????? {
??????????? SerialPort serialPort1 = new SerialPort();
??????????? serialPort1.PortName = "COM1";
??????????? serialPort1.BaudRate = 2400;
??????????? serialPort1.Open();
??????????? serialPort1.WriteLine("\f");
??????????? serialPort1.Close();
??????? }
??????? private static void 單價()
??????? {
??????????? SerialPort serialPort1 = new SerialPort();
??????????? serialPort1.PortName = "COM1";
??????????? serialPort1.BaudRate = 2400;
??????????? serialPort1.Open();
??????????? serialPort1.WriteLine("s1");//其實有數據的那個空格
??????????? serialPort1.Close();
??????? }
??????? private static void 總計()
??????? {
??????????? SerialPort serialPort1 = new SerialPort();
??????????? serialPort1.PortName = "COM1";
??????????? serialPort1.BaudRate = 2400;
??????????? serialPort1.Open();
??????????? serialPort1.WriteLine(@"s2");
??????????? serialPort1.Close();
??????? }
??????? private static void 收款()
??????? {
??????????? SerialPort serialPort1 = new SerialPort();
??????????? serialPort1.PortName = "COM1";
??????????? serialPort1.BaudRate = 2400;
??????????? serialPort1.Open();
??????????? serialPort1.WriteLine(@"s3");
??????????? serialPort1.Close();
??????? }
??????? private static void 找零()
??????? {
??????????? SerialPort serialPort1 = new SerialPort();
??????????? serialPort1.PortName = "COM1";
??????????? serialPort1.BaudRate = 2400;
??????????? serialPort1.Open();
??????????? serialPort1.WriteLine(@"s4");
??????????? serialPort1.Close();
??????? }
??????? private static void newData(string data)
??????? {
??????????? SerialPort serialPort1 = new SerialPort();
??????????? serialPort1.PortName = "COM1";
??????????? serialPort1.BaudRate = 2400;
??????????? serialPort1.Open();
??????????? serialPort1.WriteLine(@"QA" + data);
??????????? serialPort1.Close();
??????? }

??? }
}
????---------------------------控制臺程序----------------------

using System;
using System.Collections.Generic;
using System.Text;
using EAD.POS;
namespace ConsoleApplication2
{
??? class Program
??? {
??????? static void Main(string[] args)
??????? {
??????????? for (; ; )
??????????? {
??????????????? SerialPortOutput.Clear();
??????????????? System.Threading.Thread.Sleep(2000);
??????????????? SerialPortOutput.change("21230.34");
??????????????? System.Threading.Thread.Sleep(2000);
??????????????? SerialPortOutput.Get("230.34");
??????????????? System.Threading.Thread.Sleep(2000);
??????????????? SerialPortOutput.Sum("99230.34");
??????????????? System.Threading.Thread.Sleep(2000);
??????????????? SerialPortOutput.UnitPrice("30.34");
??????????????? System.Threading.Thread.Sleep(2000);
??????????? }

??????? }
??? }
}

?順便問一下這樣的STATIC方法怎么個重構法
????

轉載于:https://www.cnblogs.com/gakaki/archive/2007/12/10/989872.html

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