【1024程序员节】 节日快乐！

import javax.swing.*;
 import java.awt.*;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
 class ClickableDice extends JFrame {
 int value1 = 4;
 MyPanel dice;
 public ClickableDice() {
 dice = new MyPanel(); dice.setBackground(Color.pink); dice.setBorder(BorderFactory.createTitledBorder(投掷色子面板));
 setContentPane(dice);
 setSize(300, 200);
 setVisible(true);
 dice.addMouseListener(new MouseAdapter() {
 public void mousePressed(MouseEvent evt) { value1 = (int) (Math.random() * 6) + 1; dice.repaint();
 }
 }
);
 }
 public static void main(String args[]) {
 new ClickableDice();
 }
 void draw(Graphics g, int val, int x, int y{
 g.setColor(Color.black);
 g.drawRect(x, y, 34, 34);
 if (val % 2 == 1) g.fillOval(x + 13, y + 13, 9, 9);
 if (val == 6) g.fillOval(x + 23, y + 13, 9, 9);
 if (val > 3) g.fillOval(x + 3, y + 23, 9, 9);
 if (val > 1) g.fillOval(x + 23, y + 23, 9, 9);
 } class MyPanel extends JPanel { public void paintComponent(Graphics g) { //super.paintComponent(g); draw(g, value1, 40, 40);
 }
 }
}