Java: 如TabbedPane一样显示多个面板: 设置时用得多

 import javax.swing.*; import java.awt.*; import java.awt.event.*; public class MultiPanel extends JPanel { private static final long serialVersionUID = 1L; private JButton changeButton1; private JButton changeButton2; private JButton changeButton3; private JPanel panel1; private JPanel panel2; private JPanel panel3; private JPanel currentPanel; public MultiPanel() { this.setLayout(new BorderLayout()); changeButton1 = new JButton( "Red Panel"); changeButton2 = new JButton( "Green Panel"); changeButton3 = new JButton( "Blue Panel"); panel1 = new JPanel(); panel2 = new JPanel(); panel3 = new JPanel(); panel1.setBackground(Color.RED); panel2.setBackground(Color.GREEN); panel3.setBackground(Color.BLUE); currentPanel = panel1; Box box = Box.createHorizontalBox(); box.add(changeButton1); box.add(changeButton2); box.add(changeButton3); this.add(box, BorderLayout.SOUTH); this.add(currentPanel, BorderLayout.CENTER); addButtonActionListener(); } private void addButtonActionListener() { changeButton1.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { currentPanel.setVisible(false); currentPanel = panel1; currentPanel.setVisible(true); add(currentPanel, BorderLayout.CENTER); validate(); } }); changeButton2.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { currentPanel.setVisible(false); currentPanel = panel2; currentPanel.setVisible(true); add(currentPanel, BorderLayout.CENTER); validate(); } }); changeButton3.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { currentPanel.setVisible(false); currentPanel = panel3; currentPanel.setVisible(true); add(currentPanel, BorderLayout.CENTER); validate(); } }); } private static void createAndShowGUI() { JFrame frame = new JFrame("Multi Panel"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setSize(500, 600); MultiPanel panel = new MultiPanel(); frame.getContentPane().add(panel, BorderLayout.CENTER); frame.setVisible(true); } /** * @param args */ public static void main(String[] args) { SwingUtilities.invokeLater(new Runnable() { public void run() { MultiPanel.createAndShowGUI(); } }); } }