cardlayoutdemo.java

本java源程序包括了大量的学习程序（共27章）方便大家学习

import java.awt.*;
import java.awt.event.*;
import javax.swing.*; 
public class CardLayoutDemo extends JFrame
{
   private JPanel p1,p2,p3,p4,p5,pane;
   private JLabel l1,l2,l3,l4,l5;
   private CardLayout layout;
   private JButton button;
   
   public CardLayoutDemo() 
   {
	   super("CardLayout");
       setSize(300,200);
       
       
       try
       {  //系统外观
 		 UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
 	   }catch(Exception e){}
 	  
       //获取内容面板
       Container container = getContentPane();
       
       pane = new JPanel();
       layout = new CardLayout();
       pane.setLayout(layout);
       
       //创建面板
       p1=new JPanel();
       p2=new JPanel();
       p3=new JPanel();
       p4=new JPanel();
       p5=new JPanel();
 
       //创建标签
       l1=new JLabel("这是第一个面板");
       l2=new JLabel("这是第二个面板");
       l3=new JLabel("这是第三个面板");
       l4=new JLabel("这是第四个面板");
       l5=new JLabel("这是第五个面板");
       Font font = new Font("Serif", Font.PLAIN, 14);
       l1.setFont(font);
       l2.setFont(font);
       l3.setFont(font);
       l4.setFont(font);
       l5.setFont(font);
       //将标签添加到面板 
       p1.add(l1);
       p2.add(l2);
       p3.add(l3);
       p4.add(l4);
       p5.add(l5); 
       //设置面板背景颜色
       p1.setBackground(Color.yellow);
       p2.setBackground(Color.green);
       p3.setBackground(Color.magenta);
       p4.setBackground(Color.white);
       p5.setBackground(Color.cyan);
     
       pane.add("First",p1);
       pane.add("Second",p2);
       pane.add("Third",p3);
       pane.add("Fourth",p4);
       pane.add("Fifth",p5);
       container.add(pane, BorderLayout.CENTER);
       
       //创建按钮
       button = new JButton("下一个面板");
       button.setFont(font);
       //注册监听器
       button.addActionListener(new ActionListener(){
    	  public void actionPerformed(ActionEvent event)
    	  { layout.next(pane); }
       });  
       container.add(button, BorderLayout.SOUTH);
       
       layout.show(pane, "First");
      
       setVisible(true);
       setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }
   
    public static void main(String[] arguments)
    {
       CardLayoutDemo ct=new CardLayoutDemo();     
    }
}