Java实现简单的五子棋小游戏

import java.util.Scanner;

public class Demo01WuZiQi {
 //1.创建一个15*15的棋盘
 public static String[][] board = new String[15][15];
 public static Scanner scanner = new Scanner(System.in);
 public static int player = 0;

 public static void main(String[] args) {
 //2.初始化棋盘
 initBoard();
 //3.打印棋盘
 printBoard();
 //4.开始游戏
 startGame();
 }

 private static void startGame() {
 while (!isGameOver()) {
  if (player % 2 == 0) { //黑方下棋
  System.out.println(">>>请黑方下棋");
  playChess("●");
  } else {  //白方下棋
  System.out.println(">>>请白方下棋");
  playChess("○");
  }
  player++;
 }
 System.out.println("Game Over");
 }

 private static boolean isGameOver() {
 for (int x = 0; x < board.length; x++) {
  for (int y = 0; y < board[x].length; y++) {
  if(!board[x][y].equals("+")){
   //向右
   if (y < 11) {
   if(board[x][y].equals(board[x][y+1])
    && board[x][y].equals(board[x][y+2])
    && board[x][y].equals(board[x][y+3])
    && board[x][y].equals(board[x][y+4]))
   {
    return true;
   }
   }

   //向下
   if (x < 11) {
   if(board[x][y].equals(board[x+1][y])
    && board[x][y].equals(board[x+2][y])
    && board[x][y].equals(board[x+3][y])
    && board[x][y].equals(board[x+4][y]))
   {
    return true;
   }
   }

   //向右下
   if (x < 11 && y < 11) {
   if(board[x][y].equals(board[x+1][y+1])
    && board[x][y].equals(board[x+2][y+2])
    && board[x][y].equals(board[x+3][y+3])
    && board[x][y].equals(board[x+4][y+4]))
   {
    return true;
   }
   }

   //向右上
   if (x > 3 && y < 11) {
   if(board[x][y].equals(board[x-1][y+1])
    && board[x][y].equals(board[x-2][y+2])
    && board[x][y].equals(board[x-3][y+3])
    && board[x][y].equals(board[x-4][y+4]))
   {
    return true;
   }
   }
  }
  }
 }
 return false;
 }

 private static void playChess(String chess) {
 System.out.print(">>>请输入棋子的坐标：");
 int x = scanner.nextInt() - 1;
 int y = scanner.nextInt() - 1;
 if (board[x][y].equals("+")) {
  board[x][y] = chess;
  printBoard();
 } else {
  System.out.println(">>>此处已有棋子，请重新输入");
  player--;
 }
 }

 public static void printBoard() {
 System.out.print(" ");
 //打印列号
 for (int i = 1; i <= board.length; i++) {
  System.out.printf("%-3d",i);
 }
 System.out.println();
 for (int i = 0; i < board.length; i++) {
  //打印行号
  System.out.printf("%-3d", i + 1);
  //打印每一行的棋盘
  for (int j = 0; j < board[i].length; j++) {
  System.out.print(board[i][j] + " ");
  }
  System.out.println();
 }
 }

 public static void initBoard() {
 for (int i = 0; i < board.length; i++) {
  for (int j = 0; j < board[i].length; j++) {
  board[i][j] = "+";
  }
 }
 }
}