Java学习之利用CardLayout布局管理器绘制界面

左手的ㄟ右手 2023-01-18 06:41 139阅读 0赞

**案例代码：**

import java.awt.*;
    import java.awt.Button;
    import java.awt.CardLayout;
    import java.awt.Frame;
    import java.awt.Label;
    import java.awt.Panel;
    import java.awt.event.ActionEvent;
    import java.awt.event.ActionListener;
    import java.awt.event.MouseAdapter;
    import java.awt.event.MouseEvent;
    import java.awt.event.WindowAdapter;
    import java.awt.event.WindowEvent;
    class Cardlayout extends Frame implements ActionListener{
        
    	Panel cardPanel = new Panel();
    	Panel controlpaPanel = new Panel();	
    	Button nextButton, preButton,Exit;
    	CardLayout cardlayout = new CardLayout();
    	public Cardlayout()
    	{
        
    		setSize(300,300);
    		setVisible(true);
    		this.addWindowFocusListener(new WindowAdapter()
    			{
        
    				public void windowClosing(WindowEvent e)
    				{
        
    					Cardlayout.this.dispose();
    				}
    			});
    		this.addWindowListener(new WindowAdapter()
    		{
        
    			public void windowClosing(WindowEvent e)
    			{
        
    				setVisible(false);
    				System.exit(0);
    			}
    		});
    		cardPanel.setLayout(cardlayout);
    		cardPanel.add(new Label("第一页",Label.CENTER));
    		cardPanel.add(new Label("第二页",Label.CENTER));
    		cardPanel.add(new Label("最后一页",Label.CENTER)) ;
    		nextButton = new Button("下一页");
    		preButton = new Button("上一页");
    		Exit = new Button("退出");
    		nextButton.addActionListener(this);
    		preButton.addActionListener(this);
    		Exit.addMouseListener(new MouseAdapter()
    		{
        
    			public void mouseClicked (MouseEvent e) 
    			{
        
    				System.exit(0);
    			}
    		});
    		controlpaPanel.add(nextButton);
    		controlpaPanel.add(preButton);
    		controlpaPanel.add(Exit);
    		this.add(cardPanel,BorderLayout.CENTER);
    		this.add(controlpaPanel,BorderLayout.SOUTH);
    		}
    		@Override
    		public void actionPerformed(ActionEvent e){
        
    			//TODO Auto-generated method stub
    			if(e.getSource() == nextButton)
    			{
        
    				cardlayout.next(cardPanel);
    			}
    			if(e.getSource() == preButton)
    			{
        
    				cardlayout.previous(cardPanel);
    			}
    		}
    }
    		public class Example8_8{
        
    			public static void main(String[] args){
        
    				Cardlayout cardlayout = new Cardlayout();
    		}
    }

**案例运行图：**

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NzA2MjkwNw_size_16_color_FFFFFF_t_70_pic_center]

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