AWT_面板 Panel（Java）

今天药忘吃喽~ 2023-10-04 16:22 28阅读 0赞

### AWT\_面板 Panel（Java） ###

package Demo01;
    
    import java.awt.*;
    import java.awt.event.WindowEvent;
    import java.awt.event.WindowListener;
    
    //面板 Panel  可以看成是一个空间，但是不能单独存在
    public class TestPanel {
        
        public static void main(String[] args) {
        
            Frame frame = new Frame();
            //布局的概念
            Panel panel = new Panel();
            Panel panel2 = new Panel();
    
            //设置布局
            frame.setLayout(null);
            //坐标
            frame.setBounds(300,300,500,500);
            frame.setBackground(new Color(55, 238, 238, 255));
            //panel 设置坐标  相对于frame
            panel.setBounds(10,10,100,400);
            panel.setBackground(new Color(0, 255, 135, 255));
            panel2.setBounds(100,100,300,400);
            panel2.setBackground(new Color(232, 17, 17, 255));
    
            //frame.add(panel)
            frame.add(panel);
            frame.add(panel2);
            frame.setVisible(true);
    
            //监听事件，监听窗口关闭事件 System.exit(0)
            //适配器模式：
            frame.addWindowListener(new WindowListener() {
        
                @Override
                public void windowOpened(WindowEvent e) {
        
    
                }
    
                //窗口关闭的时候需要做的事情
                @Override
                public void windowClosing(WindowEvent e) {
        
                    //结束程序
                    System.exit(0);
    
                }
    
                @Override
                public void windowClosed(WindowEvent e) {
        
    
                }
    
                @Override
                public void windowIconified(WindowEvent e) {
        
    
                }
    
                @Override
                public void windowDeiconified(WindowEvent e) {
        
    
                }
    
                @Override
                public void windowActivated(WindowEvent e) {
        
    
                }
    
                @Override
                public void windowDeactivated(WindowEvent e) {
        
    
                }
            });
        }
    }