Swing界面監(jiān)聽

1、importimportimportclass MyPanel extends JPanel JButton b1=new JButton("不服點我"); JButton b2=new JButton("認輸點我"); JButton b3=new JButton("不服點我"); JButton b4=new JButton("雙擊再來一次"); JLabel lb1=new JLabel("_服了吧？"); JLabel lb2=new JLabel(); JLabel lb3=new J

2、Label(); JLabel lb4=new JLabel(); JLabel lb5=new JLabel(); public MyPanel() this.setLayout(new GridLayout(3,3,20,20); this.add(b1); this.add(lb1); this.add(b2); this.add(lb2); this.add(b4); this.add(lb3); this.add(lb4); this.add(lb5); this.add(b3); b3.setVisible(false); b4.setVisible(false); lb1.set

3、Visible(false); b1.addMouseListener(new MouseAdapter() public void mouseEntered(MouseEvent e) b1.setVisible(false); b3.setVisible(true); ); b3.addMouseListener(new MouseAdapter() public void mouseEntered(MouseEvent e) b3.setVisible(false); b1.setVisible(true); ); b2.addActionListener(new ActionListe

4、ner() public void actionPerformed(ActionEvent e) b1.setVisible(false); b2.setVisible(false); b3.setVisible(false); b4.setVisible(true); lb1.setVisible(true); ); b4.addMouseListener(new MouseAdapter() public void mouseClicked(MouseEvent e) if(e.getButton()=MouseEvent.BUTTON1 && e.getClickCoun

5、t()>=2) b4.setVisible(false); b1.setVisible(true); b2.setVisible(true); lb1.setVisible(false); ); class HiddenFrame extends JFrame public HiddenFrame() JMenuBar menuBar = new JMenuBar(); JMenu menuFile = new JMenu(); JMenuItem menuFileExit = new JMenuItem(); menuFile.setText("File"); me

6、nuFileExit.setText("Exit"); menuFileExit.addActionListener ( new ActionListener() public void actionPerformed(ActionEvent e) HiddenFrame.this.windowClosed(); ); menuFile.add(menuFileExit); menuBar.add(menuFile); setTitle("HiddenFrame"); setJMenuBar(menuBar); setSize(new Dimension(400, 400); this.getContentPane().add(new MyPanel(); this.addWindowListener ( new WindowAdapter() public void windowClosing(WindowEvent e) HiddenFrame.this.windowClosed(); ); protected void windowClosed() System