C# 串口发送接收(入门级)

串口发送接收
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.Runtime.InteropServices;namespace 通过串口发送数据{ public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { serialPort1.PortName = "COM1"; serialPort1.BaudRate = 9600; serialPort1.Open(); byte[] data = Encoding.Unicode.GetBytes(textBox1.Text); string str = Convert.ToBase64String(data); serialPort1.WriteLine(str); MessageBox.Show("数据发送成功！","系统提示"); } private void button2_Click(object sender, EventArgs e) { byte[] data = Convert.FromBase64String(serialPort1.ReadLine()); textBox2.Text = Encoding.Unicode.GetString(data); serialPort1.Close(); MessageBox.Show("数据接收成功！","系统提示"); } private void Form1_Load(object sender, EventArgs e) { } }}