可以下下package jdk;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
class ChessPanel extends JPanel{
private int space=20;
private int grids=30;
private int radius=space/2;
private int[][]chesses=new int[grids+1][grids+1];
private int currColor=1;
private JMenuBar chessMenuBar=new JMenuBar();
private JMenu optMenu=new JMenu("操作");
private JMenuItem startMenuItem=new JMenuItem("开始");
private JMenuItem exitMenuItem=new JMenuItem("退出");
private ActionListener startHandler=new ActionListener(){
public void actionPerformed(ActionEvent e){
clearGrids();
currColor=1;
repaint();
}
};
private ActionListener exitHandler=new ActionListener(){
public void actionPerformed(ActionEvent e){
System.exit(0);
}
};
private MouseListener playChessHandler=new MouseAdapter(){
public void mouseClicked(MouseEvent e){
int x=e.getX();
int y=e.getY();
if(x<=grids*space&&x>=0&&y<=grids*space&&y>=0)
if(chesses[round(x)][round(y)]==0){
chesses[round(x)][round(y)]=currColor;
currColor=currColor==1?2:1;
repaint();
}
}
};
public int round(float a){
float f=a/space;
return Math.round(f);
}
public ChessPanel(int space,int grids){
this.space=space;
this.grids=grids;
this.radius=space/2;
setBackground(Color.YELLOW);
setSize(space*grids,space*grids);
startMenuItem.addActionListener(startHandler);
exitMenuItem.addActionListener(exitHandler);
addMouseListener(playChessHandler);
chessMenuBar.add(optMenu);
optMenu.add(startMenuItem);
optMenu.add(exitMenuItem);
}
public JMenuBar getMenuBar(){
return chessMenuBar;
}
private void drawChess(Graphics g,int x,int y,int color){
g.setColor(color==1?Color.WHITE:Color.BLACK);
g.fillOval(x*space-radius, y*space-radius, radius*2, radius*2);
}
public void drawGrids(Graphics g){
g.setColor(Color.DARK_GRAY);
for(int i=0;i<=grids;i++)
{
g.drawLine(0, i*space, grids*space, i*space);
g.drawLine(i*space, 0, i*space,grids*space);
}
}
private void clearGrids(){
for(int i=0;i<=grids;i++)
for(int j=0;j<=grids;j++)
chesses[i][j]=0;
}
public void paintComponent(Graphics g){
super.paintComponent(g);
drawGrids(g);
for(int i=0;i<=grids;i++)
for(int j=0;j<=grids;j++)
if(chesses[i][j]!=0)
drawChess(g,i,j,chesses[i][j]);
}
}
public class ChessPlayer extends JFrame{
private ChessPanel chessPanel=new ChessPanel(20,30);
public ChessPlayer(String title){
super(title);
Container contentPane=getContentPane();
contentPane.add(chessPanel);
setJMenuBar(chessPanel.getMenuBar());
setSize(600,600);
setVisible(true);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public static void main(String[]args){
new ChessPlayer("五子棋");
}
}
.rar （8个子文件） 
五子棋， 
.project 388B
