Frame窗口+Panel面板
import java.awt.*;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
//Panel可以看成一个空间,但不能单独存在
public class TestPanel {
public static void main(String[] args) {
Frame frame = new Frame();
Panel panel = new Panel();//布局的概念
//设置布局
frame.setLayout(null);
//坐标
frame.setBounds(300,300,500,500);
frame.setBackground(new Color(0x4CB933));
//panel设置坐标,相对于frame
panel.setBounds(50,50,400,400);
panel.setBackground(new Color(0xCD351C));
frame.add(panel);
frame.setVisible(true);
//监听事件,监听窗口关闭事件system.exit()
frame.addWindowListener(new WindowAdapter() {
//窗口点击关闭的时候需要做的事情
@Override
public void windowClosing(WindowEvent e) {
//结束程序
System.exit(0);
}
});
}
}
效果图: