package com.han;import java.awt.BorderLayout;import java.awt.CardLayout;import java.awt.Container;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JPanel;import javax.swing.SwingConstants;/** * 使用卡片布局管理器 * @author HAN * */public class CardLayout_1 extends JFrame {  /**   *   */  private static final long serialVersionUID = -5255525755443566487L;  public CardLayout_1() {    // TODO Auto-generated constructor stub    Container container = getContentPane();    final CardLayout cardLayout = new CardLayout();    final JPanel cardPanel = new JPanel(cardLayout);    String[] cardNames = { "卡片A", "卡片B", "卡片C" };    for (int i = 0; i < cardNames.length; i++) {//     JLabel label = new JLabel(cardNames[i]);      JLabel label = new JLabel(cardNames[i], SwingConstants.CENTER);//     cardPanel.add(label);      cardPanel.add(label, cardNames[i]);    }    container.add(cardPanel, BorderLayout.CENTER);    JPanel buttonPanel = new JPanel(); // by default, the flow layout    container.add(buttonPanel, BorderLayout.SOUTH);    String[] buttonNames = { "第一個", "前一個", "卡片A", "卡片B", "卡片C",        "后一個", "最后一個" };    for (int i = 0; i < buttonNames.length; i++) {      final JButton button = new JButton(buttonNames[i]);      buttonPanel.add(button);      button.addActionListener(new ActionListener() {        @Override        public void actionPerformed(ActionEvent e) {          // TODO Auto-generated method stub          String buttonText = button.getText();          if (buttonText.equals("第一個")) {            cardLayout.first(cardPanel);          } else if (buttonText.equals("前一個")) {            cardLayout.previous(cardPanel);          } else if (buttonText.equals("卡片A")) {            cardLayout.show(cardPanel, "卡片A");          } else if (buttonText.equals("卡片B")) {            cardLayout.show(cardPanel, "卡片B");          } else if (buttonText.equals("卡片C")) {            cardLayout.show(cardPanel, "卡片C");          } else if (buttonText.equals("后一個")) {            cardLayout.next(cardPanel);          }else {            cardLayout.last(cardPanel);          }        }      });    }  }  /**   * @param args   */  public static void main(String[] args) {    // TODO Auto-generated method stub    CardLayout_1 frame = new CardLayout_1();    frame.setTitle("www.49028c.com - 使用卡片布局管理器");    frame.setVisible(true);    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);    frame.pack();  }}