GUI编程之布局小练习

谁借莪１个温暖的怀抱￠ 2022-11-10 10:45 112阅读 0赞

**练习：**  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzUxOTkzOTMz_size_16_color_FFFFFF_t_70_pic_center]  
**完成代码：**

//练习作业
    public class EXDemo {
        
        public static void main(String[] args) {
        
            //总窗  总Frame
            Frame frame = new Frame();
            frame.setLayout(new GridLayout(2,1));//设置为2行1列
            frame.setBounds(400,300,300,400);//设置坐标
            frame.setBackground(Color.green);//设置背景颜色
            frame.setVisible(true);//设置窗口可见性
            //四个面板
            Panel p1 = new Panel(new BorderLayout());
            Panel p2 = new Panel(new GridLayout(2,1));
            Panel p3 = new Panel(new BorderLayout());
            Panel p4 = new Panel(new GridLayout(2,2));
            //按钮
            //上面
            p1.add(new Button("East-1"),BorderLayout.EAST);
            p1.add(new Button("West-1"),BorderLayout.WEST);
            p2.add(new Button("p2-btn-1"));
            p2.add(new Button("p2-btn-2"));
            p1.add(p2,BorderLayout.CENTER);
            //下面
            p3.add(new Button("East-2"),BorderLayout.EAST);
            p3.add(new Button("West-2"),BorderLayout.WEST);
            p4.add(new Button("p4-btn-1"));
            p4.add(new Button("p4-btn-2"));
            p4.add(new Button("p4-btn-3"));
            p4.add(new Button("p4-btn-4"));
            p3.add(p4,BorderLayout.CENTER);
            //放入面板
            frame.add(p1);
            frame.add(p3);
    
            //监听，关闭窗口事件
            frame.addWindowListener(new WindowAdapter() {
        
                @Override
                public void windowClosing(WindowEvent e) {
        
                    super.windowClosing(e);
                    System.exit(0);
                }
            });
        }
    }

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