java-面板按钮嵌套布局

面板嵌套

package GUI;
import java.awt.*;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
public class Buju2 {
​
    public static void main(String[] args) {
        Frame frame=new Frame();
        frame.setBounds(300,300,500,500);
        frame.setBackground(Color.black );
        frame.setVisible(true);
        frame.setLayout(new GridLayout(2,1));//设置窗口布局
        
        Panel p1=new Panel(new BorderLayout());//面板布局
        Panel p2=new Panel(new GridLayout(2,1));
        Panel p3=new Panel(new BorderLayout());//面板布局
        Panel p4=new Panel(new GridLayout(2,2));
​
​
        p1.add(new Button("11111111"),BorderLayout.EAST);
        p1.add(new Button("2222222"),BorderLayout.WEST);
        p2.add(new Button("3"));
        p2.add(new Button("4"));
        p1.add(p2,BorderLayout.CENTER);//面板嵌套
        
        
        p3.add(new Button("11111111"),BorderLayout.EAST);
        p3.add(new Button("2222222"),BorderLayout.WEST);
        p4.add(new Button("3"));
        p4.add(new Button("4"));
        p4.add(new Button("5"));
        p4.add(new Button("6"));
        p3.add(p4,BorderLayout.CENTER);
        
        frame.add(p1);
        frame.add(p3);//添加面板进窗口
        
        frame.addWindowListener(new WindowAdapter(){
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        });
    }
​
}
​

运行结果图