关于井字游戏的问题
package com.imooc;import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.LineBorder;
public class TicTacToe extends JApplet {
private char whoseTurn='X';
private Cell[][] cells= new Cell[3][3];
private JLabel jlblStatus=new JLabel("X's turn to play");
public TicTacToe(){
JPanel p=new JPanel(new GridLayout(3,3,0,0));
for(int i=0;i<3;i++)
for(int j=0;j<3;j++)
p.add(cells[i][j]=new Cell());
p.setBorder(new LineBorder(Color.red,1));
JlblStatus.setBorder(new LineBorder(Color.yellow,1));
add(p,BorderLayout.CENTER);
add(jlblStatus,BorderLayout.SOUTH);
}
public boolean isFull(){
for(int i=0;i<3;i++)
for(int j=0;j<3;j++)
if(cells[i][j].getToken()==' ')
return false;
return true;
}
public boolean isWon(char token){
for(int i=0;i<3;i++)
if((cells[i][0].getToken()==token)&&(cells[i][2].getToken()==token)&&(cells[i][2].getToken()==token)){
return true;
}
for(int j=0;j<3;j++)
if((cells[0][j].getToken()==token)&&(cells[1][j].getToken()==token)&&(cells[2][j].getToken()==token)){
return true;
}
if((cells[0][2].getToken()==token)&&(cells[1][1].getToken()==token)&&(cells[2][0].getToken()==token)){
return true;
}
return false;
}
public class Cell extends Jpanel{
private char token=' ';
public Cell(){
setBorder(new LineBorder(Color.black,1));
addMouseListener(new MyMouseListener());
}
public char getToken(){
return token;
}
public void setToken(char c){
token=c;
repaint();
}
protected void paintComponnet(Graphics g){
if(token=='X'){
g.drawLine(10,10,getWidth()-10,getHeight()-10);
g.drawLine(getWidth()-10,10,10,getHeight()-10);
}
else if(token=='0'){
g.drawOval(10,10,getWidth()-20,getHeight()-20);
}
}
private class MyMouseListener extends MouseAdapter{
public void mouseClicked(MouseEvent e){
if(token==' '&&whoseTurn!=' '){
setToken(whoseTurn);
if(isWon(whoseTurn)){
jlblStatus.setText(whoseTurn+"won! The game is over");
whoseTurn=' ';
}
else if(isFull()){
jlblStatus.setText("Draw! The game is over");
whoseTurn=' ';
}
else {
whoseTurn=(whoseTurn=='X')?'O':'X';
jlblStatus.setText(whoseTurn+"'s turn");
}
}
}
}
}
}
红色标注的部分是有错误的地方，请问有什么错误？
