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Java: 如TabbedPane一樣顯示多個面板: 設置時用得多

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(

"<html>Red Panel</html>");

changeButton2 = new JButton(

"<html>Green Panel</html>");

changeButton3 = new JButton(

"<html>Blue Panel</html>");

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();

}

});

}

posted on 2008-03-22 18:35 逛奔的蝸牛閱讀(866) 評論(0) 編輯收藏引用所屬分類: Java

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