问让JEditorPane正常工作

EN

import java.awt.*;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.regex.Pattern;

import javax.swing.*;

public class SongTapper extends JFrame {

    Date d;
    boolean isFirstTap = true;
    static JTapper tap;
    URL url;

    JLabel label = new JLabel();
    JEditorPane pane = new JEditorPane();
    JScrollPane scroll;
    JFrame frame;

    public void show() {
//      d = new Date();
//      Date d2 = new Date();
//      
//      double seconds = ((d.getTime() - d2.getTime()) /1000);
//      
//      System.out.println(seconds);

        frame = new JFrame();
        tap = new JTapper();
        tap.setEditable(false);
        tap.setText("Tap out a song using the Space bar");

        tap.addTapListener(new TapListener() {

            String count = "";

            @Override
            public void tapPerformed() {

                if(isFirstTap){
                    d = new Date();
                    isFirstTap = false;
                }else{
                    Date tapping = new Date();

                    double seconds = (((double)tapping.getTime() - (double)d.getTime()) / 1000.0);

                    String total = Double.toString(seconds) + "-0-1/";

                    System.out.println(count += total);


                }

            }

            @Override
            public void tappingCompleted() {
                tap.setText("Tapping completed");
                String fullUrl = "http://www.musipedia.org/result.html?sourceid=melody-url&tx_mpsearch_pi1%5bsubmit_button%5d=Search&tx_mpsearch_pi1%5bpc%5d=hum%20" + 
                        count +"&filtertext=&coll=r&onlymatchfrom=0 ";
                try {
                    url = new URL(fullUrl);
                    pane.setPage(url);
                } catch (MalformedURLException e) {
                    e.printStackTrace();
                } catch (IOException e) {
                    e.printStackTrace();
                }

                frame = new JFrame();
                 scroll = new JScrollPane(pane);
                frame.getContentPane().add(scroll);
                frame.pack();

            }

        });

        frame.setTitle("Song Tapper");

        //frame.getContentPane().add(scroll);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(new Dimension(250, 100));
        frame.getContentPane().add(tap);

        frame.pack();
        frame.setVisible(true);
        frame.setLocationRelativeTo(null);
    }

}

import java.awt.Component;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.ArrayList;
import java.util.List;
import java.util.Observable;

import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;

public class JTapper extends JTextField implements KeyListener {

JLabel label = new JLabel("Tap out a song using the Space bar");
int count;
List<TapListener> taps = new ArrayList<TapListener>();

public JTapper(){

    this.addKeyListener(this);
}

public void addTapListener(TapListener tapListener){
    taps.add(tapListener);
}

@Override
public void keyTyped(KeyEvent e) {
    // TODO Auto-generated method stub

}

@Override
public void keyPressed(KeyEvent e) {


}

@Override
public void keyReleased(KeyEvent e) {
    if(e.getKeyCode() == 32){
        for(TapListener tap : taps){
            tap.tapPerformed();
        }
    }
    else if(e.getKeyCode() == 10){
        for(TapListener tap : taps){
            tap.tappingCompleted();
        }
    }
}

}