C#串口通信编程实例【推荐】wps.doc

usingSystem;
usingSystem.Collections.Generic;
usingSystem.ComponentModel;
usingSystem.Data;
usingSystem.Drawing;
usingSystem.Linq;
usingSystem.Text;
usingSystem.Windows.Forms;
usingSystem.IO.Ports;

namespace串?口ú发ぁ?送í接ó收?演Y示?
{
publicpartialclassForm1:Form
{
publicForm1()
{
InitializeComponent();
}
publicSerialPortport1=newSerialPort("COM2",9600,Parity.None,8,StopBits.One);
publicSerialPortport2=newSerialPort("COM3",9600,Parity.None,8,StopBits.One);

privatevoidForm1_Load(objectsender,EventArgse)
{

}

privatevoidbutton1_Click(objectsender,EventArgse)
{
port1.Open();
port1.DiscardInBuffer();
port1.DiscardOutBuffer();
MessageBox.Show("打洙?开aCOM2口ú成é功|！?","系μ统?提?示?");
}

privatevoidbutton3_Click(objectsender,EventArgse)
{
port2.Open();
port2.DiscardInBuffer();
port2.DiscardOutBuffer();
MessageBox.Show("打洙?开aCOM3成é功|！?","系μ统?提?示?");
}

privatevoidbutton5_Click(objectsender,EventArgse)
{
byte[]data=Encoding.Unicode.GetBytes(textBox1.Text);
stringstr=Convert.ToBase64String(data);
port1.WriteLine(str);
MessageBox.Show("数簓据Y发ぁ?送í成é功|！?","系μ统?提?示?");
System.Threading.Thread.Sleep(1000);
byte[]data1=Convert.FromBase64String(port2.ReadLine());
textBox2.Text=Encoding.Unicode.GetString(data1);
MessageBox.Show("数簓据Y接ó收?成é功|","系μ统?提?示?");
}

privatevoidbtnclose_Click(objectsender,EventArgse)
{
serialPort1.Close();
serialPort2.Close();
Close();
}
}
}