GUI——Panel

阳光穿透心脏的1/2处 2022-04-06 10:42 200阅读 0赞

# GUI——Panel #

测试：

TestPanel.java

import java.awt.*;
    
    public class TestPanel {
         public static void main(String args[]) {
         		 Frame f = 
                 new Frame("Java Frame with Panel");
             Panel p = new Panel(null);
             f.setLayout(null);
             f.setBounds(300,300,500,500);
             f.setBackground(new Color(0,0,102));
             p.setBounds(50,50,400,400);
             p.setBackground(new Color(204,204,255));
             f.add(p);
             f.setVisible(true);
        }
    }

F:\java\gui>javac TestPanel.java
    
    F:\java\gui>java TestPanel

![ac3dda6e-b59a-3c91-a81e-daaa18372888.png][]

测试：

TestMultiPanel.java

import java.awt.*;
    
    public class TestMultiPanel {
        public static void main(String args[]) {
            new MyFrame2("MyFrameWithPanel",300,300,400,300);
        }
    }
    
    
    class MyFrame2 extends Frame{
        private Panel p1,p2,p3,p4;
        MyFrame2(String s,int x,int y,int w,int h){
            super(s);
            setLayout(null);
            p1 = new Panel(null); p2 = new Panel(null);
            p3 = new Panel(null); p4 = new Panel(null);
            p1.setBounds(0,0,w/2,h/2);
            p2.setBounds(0,h/2,w/2,h/2);
            p3.setBounds(w/2,0,w/2,h/2);
            p4.setBounds(w/2,h/2,w/2,h/2);
            p1.setBackground(Color.BLUE);
            p2.setBackground(Color.GREEN);
            p3.setBackground(Color.YELLOW);
            p4.setBackground(Color.MAGENTA);
            add(p1);add(p2);add(p3);add(p4);
            setBounds(x,y,w,h);
            setVisible(true);
        }
    }

F:\java\gui>javac TestMultiPanel.java
    
    F:\java\gui>java TestMultiPanel

![5e8ae654-e49a-3f5a-a687-03cc11ecc4fd.png][]

[ac3dda6e-b59a-3c91-a81e-daaa18372888.png]: /images/20220406/42253132d302438e8ee16246cf5f04f1.png
[5e8ae654-e49a-3f5a-a687-03cc11ecc4fd.png]: /images/20220406/1544a219e92e4b54b28caa42f496af8c.png

GUI——Panel

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