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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("数据接受成功?,"系统提示");
}