usedcardlayout.java

初学的好东西值得一看看欢迎下载观看使用

import javax.swing.JFrame;
import java.awt.CardLayout;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
class UsedCardLayout extends JFrame implements ActionListener{
	CardLayout cardLayout1=new CardLayout(20,30);
	JButton jButton1=new JButton("按钮1");
	JButton jButton2=new JButton("按钮2");
	JButton jButton3=new JButton("按钮3");
	UsedCardLayout(){
		super("卡片布局示例");
		setSize(300,200);
		setDefaultCloseOperation(EXIT_ON_CLOSE);
		this.getContentPane().setLayout(cardLayout1);
		this.getContentPane().add("myCard1",jButton1);
		this.getContentPane().add("myCard2",jButton2);
		this.getContentPane().add("myCard3",jButton3);
		jButton1.addActionListener(this);
		jButton2.addActionListener(this);
		jButton3.addActionListener(this);
		show();
	}
	public void actionPerformed(ActionEvent e){
		Object source=e.getSource();
		if(source==jButton1||source==jButton2){
			cardLayout1.next(this.getContentPane());
		}
		else if(e.getSource()==jButton3){
			cardLayout1.first(this.getContentPane());
		}
	}
	public static void main(String[] args){
		UsedCardLayout usedCardLayout1=new UsedCardLayout();
	}
}