问在Java中显示com端口数据

EN

   /*
     * To change this license header, choose License Headers in Project Properties.
     * To change this template file, choose Tools | Templates
     * and open the template in the editor.
     */
package learn;

import jssc.SerialPort;
import jssc.SerialPortException;

/**
 *
 * @author Mica
 */
public class gui extends javax.swing.JFrame {

    /**
     * Creates new form gui
     */
        public gui() {
        initComponents();
         comport();

    }

    private void comport(){

    SerialPort serialPort = new SerialPort("COM3");

        int count = 1;


         while (count < 11) {
         try {

            serialPort.openPort();//Open serial port
            serialPort.setParams(9600, 8, 1, 0);//Set params.
            byte[] buffer = serialPort.readBytes(32);//Read 10 bytes from serial port
            final String readed = new String(buffer);
            System.out.println("««Readed from COM"  + ": " + readed);

            jTextArea1.append(readed+ "\n" );
            serialPort.closePort();//Close serial port

        }
        catch (SerialPortException ex) {
           System.out.println(ex);
        }
        count++;
        }

    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
    private void initComponents() {
    }// </editor-fold>                        

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {

        /* Create and display the form */

        java.awt.EventQueue.invokeLater(new Runnable() {

            public void run() {


                new gui().setVisible(true);

            }

        });
    }

    // Variables declaration - do not modify                     
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTextArea jTextArea1;
    // End of variables declaration                   
}