private void button2_Click(object sender, EventArgs e)
{
int deviceID = int.Parse(textBox2.Text.Trim());
string cardID = txtCardNum.Text.Trim();
byte[] temp = CmdHelper.GenerateVerifyCmd(deviceID, cardID);
serialPort.SendData(temp, 0, temp.Length); //发送验证信息
}
private void button3_Click(object sender, EventArgs e)
{
byte [] temp = CmdHelper.GenerateVerifyCmd(1, "41088219910715855X");
SerialPort2.SendData(temp, 0, temp.Length); //下位机给上位机发送验证信息
}