Java实现的五子棋游戏

import java.awt.Color;
import java.awt.Container;
import java.awt.Graphics;
import java.awt.event.*;
import java.applet.*;
import java.io.PrintStream;
import javax.swing.*;
import javax.swing.ButtonGroup;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JRadioButtonMenuItem;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;

/*
 *main方法创建了ChessFrame类的一个实例对象cf;
 *并自动屏幕显示该对象的实例
 */
 public class FiveChessAppletDemo{
  public static void main(String args[]){
  ChessFrame cf=new ChessFrame();
  cf.show();
  }
 }
 
 /*

  *类ChessFrame主要功能是创建五子棋游戏的主窗体和菜单
  */
  class ChessFrame extends JFrame implements ActionListener{
   private String[] strsize={"20x15","30x20","40x30"};
   private String[] strmode={"人机对弈","人人对弈"};
public static boolean iscomputer=true, checkcomputer=true;
   private int width,height;
   private ChessModel cm;
   private MainPanel mp;
  
   //构造五子棋游戏的主窗口体
   public ChessFrame(){
   this.setTitle("五子棋游戏");
   cm=new ChessModel(1);
   mp=new MainPanel(cm);
   Container con=this.getContentPane();
   con.add(mp,"Center");
   this.setResizable(false);
   this.addWindowListener(new ChessWindowEvent());
   MapSize(20,15);
   JMenuBar mbar=new JMenuBar();
   this.setJMenuBar(mbar);
   JMenu gameMenu =new JMenu("游戏");
   mbar.add(makeMenu(gameMenu,new Object[]{
   "开局","棋盘","模式",null,"退出"},
   this));
   JMenu lookMenu=new JMenu("视图");
   mbar.add(makeMenu (lookMenu,new Object[]{
   "Metal","Motif","Windows"
   },this));