实现两个人在控制台进行一字棋的对弈

package Code;
import javax.swing.JOptionPane;   
public class TicTacToe{   
   public static void main (String[] args) {   
      char[] chess=new char[10];   
      char[][] chessboard=new char[3][3];   
      for(int i=1;i<10;i++){   
       chess[i]=(char)(i+48);//i的ASSCII码值为49
      }   
      printboard(chess);   
      while(true){//循环让A和B放置棋子直至某一方赢棋或和棋    
        int row = Integer.parseInt(JOptionPane.showInputDialog("请游戏者A输入行号(0~2)："));   
        int col = Integer.parseInt(JOptionPane.showInputDialog("请游戏者A输入列号(0~2)："));   
        while(true){   
            if(IsOn(row*3+col+1,chess)) {   
                System.out.println("该位置已放置过棋子，请重新选择位置摆放");   
                 row = Integer.parseInt(JOptionPane.showInputDialog("请游戏者A输入行号(0~2)："));   
                 col = Integer.parseInt(JOptionPane.showInputDialog("请游戏者A输入列号(0~2)："));   
            }   
            else break;   
        }   
        chessboard[row][col] = 'x';   
        chess[row*3+col+1]='x';   
        printboard(chess);   
        if (Win('x',chess)) {   
            System.out.println("游戏者A赢了！");   
            System.exit(0);   
        }   
        else if (Draw(chess)){   
             System.out.println("和棋！");