1 package test.com; 2 3 import java.awt.GridLayout; 4 5 import javax.swing.*; 6 /* 7 * 显示一个包含9个标签的框架，标签有3类图形。圈、叉和空白 8 * 每次运行随机显示 9 */ 10 public class Game extends JFrame { 11 private ImageIcon x = new ImageIcon("d:\\x.jpg"); 12 private ImageIcon o = new ImageIcon("d:\\o.jpg"); 13 private ImageIcon w = new ImageIcon("d:\\w.jpg"); 14 15 16 public static void main(String[] args) { 17 Game pictureGame = new Game(); 18 pictureGame.setTitle("pictrueGame"); 19 pictureGame.setSize(400, 400); 20 pictureGame.setLocationRelativeTo(null); 21 pictureGame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 22 pictureGame.setVisible(true); 23 24 25 } 26 27 //创建一个GridLayout布局 28 public Game(){ 29 setLayout(new GridLayout(3,3,5,5)); 30 this.random(); 31 } 32 33 //随机显示的方法 34 public void random(){ 35 int j = 0; 36 while(j<9){ 37 int i = (int) (Math.random()*3); 38 switch(i){ 39 case 0 : 40 add(new JLabel(o));break; 41 case 1 : 42 add(new JLabel(x));break; 43 case 2 : 44 add(new JLabel(w));break; 45 } 46 j++; 47 } 48 } 49 }
小练习。
好像没有什么需要注意的东西。
