CardLayout

最新推荐文章于 2023-12-30 12:19:45 发布

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最新推荐文章于 2023-12-30 12:19:45 发布

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分类专栏：课堂笔记（Java）文章标签： java

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package kl;

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class Demo {
    public static void main(String[] args) {
        Frame frame=new Frame("这里测试cardlayout");

        Panel p1=new Panel();
        CardLayout cardlayout=new CardLayout();
        p1.setLayout(cardlayout);
        String[] names={"第一张","第二张","第三张","第四张","第五张"};

        for(int i=0;i<names.length;i++){
            p1.add(names[i],new Button(names[i]));
        }

        frame.add(p1);

        Panel p2=new Panel();
        Button b1=new Button("上一张");
        Button b2=new Button("下一张");
        Button b3=new Button("第一张");
        Button b4=new Button("最后一张");
        Button b5=new Button("第三张");

        ActionListener listener =new ActionListener(){
            @Override
            public void actionPerformed(ActionEvent e){
                String actionCommand=e.getActionCommand() ;
                switch(actionCommand){
                    case "上一张":
                        cardlayout.previous(p1);
                        break;
                    case "下一张":
                        cardlayout.next(p1);
                        break;
                    case "第一张":
                        cardlayout.first(p1);
                        break;
                    case "最后一张":
                        cardlayout.last(p1);
                        break;
                    case "第三张":
                        cardlayout.show(p1,"第三张");
                        break;

                }
            }
        };

        b1.addActionListener(listener);
        b2.addActionListener(listener);
        b3.addActionListener(listener);
        b4.addActionListener(listener);
        b5.addActionListener(listener);

        p2.add(b1);
        p2.add(b2);
        p2.add(b3);
        p2.add(b4);
        p2.add(b5);

        frame.add(p2,BorderLayout.SOUTH);

        frame.pack();
        frame.setVisible(true);

    }
}