Chessboard.java
**
/
棋盘对象
*/
public class Chessboard {
// 定义一个二维数组来充当棋盘
private String[][] board;
// 定义棋盘的大小
public static final int BOARD_SIZE = 22;
/**
public void test() {
Object[][] array = new Object[10][10];
for (int i = 0; i < array.length; i++) {
for (int j = 0; j < array[i].length; j++) {
array[i][j] = new Object();
}
}
}
/**
/**
/**
Chessman.java
/**
棋子枚举类
*/
public enum Chessman {
BLACK("●"), WHITE("○");
private String chessman;
/**
/**
GobangGame.java
import java.io.BufferedReader;
import java.io.InputStreamReader;
/**
五子棋游戏类
*/
public class GobangGame {
// 定义达到赢条件的棋子数目
private final int WIN_COUNT = 5;
// 定义用户输入的X坐标
private int posX = 0;
// 定义用户输入的X坐标
private int posY = 0;
// 定义棋盘
private Chessboard chessboard;
/**
/**
/**
/**
开始下棋
*/
public void start() throws Exception {
// true为游戏结束
boolean isOver = false;
chessboard.initBoard();
chessboard.printBoard();
// 获取键盘的输入
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String inputStr = null;
// br.readLine:每当键盘输入一行内容按回车键,则输入的内容被br读取到
while ((inputStr = br.readLine()) != null) {
isOver = false;
if (!isValid(inputStr)) {
// 如果不合法,要求重新输入,再继续
continue;
}
// 把对应的数组元素赋为"●"
String chessman = Chessman.BLACK.getChessman();
chessboard.setBoard(posX, posY, chessman);
// 判断用户是否赢了
if (isWon(posX, posY, chessman)) {
isOver = true;
} else {
// 计算机随机选择位置坐标
int[] computerPosArr = computerDo();
chessman = Chessman.WHITE.getChessman();
chessboard.setBoard(computerPosArr[0], computerPosArr[1],
chessman);
// 判断计算机是否赢了
if (isWon(computerPosArr[0], computerPosArr[1], chessman)) {
isOver = true;
}
}
// 如果产生胜者,询问用户是否继续游戏
if (isOver) {
// 如果继续,重新初始化棋盘,继续游戏
if (isReplay(chessman)) {
chessboard.initBoard();
chessboard.printBoard();
continue;
}
// 如果不继续,退出程序
break;
}
chessboard.printBoard();
System.out.println("请输入您下棋的坐标,应以x,y的格式输入:");
}
}
/**
}
/**
/**
@return 如果有五颗相邻棋子连成一条直接,返回真,否则相反。
*/
public boolean isWon(int posX, int posY, String ico) {
// 直线起点的X坐标
int startX = 0;
// 直线起点Y坐标
int startY = 0;
// 直线结束X坐标
int endX = Chessboard.BOARD_SIZE - 1;
// 直线结束Y坐标
int endY = endX;
// 同条直线上相邻棋子累积数
int sameCount = 0;
int temp = 0;
// 计算起点的最小X坐标与Y坐标
temp = posX - WIN_COUNT + 1;
startX = temp < 0 ? 0 : temp;
temp = posY - WIN_COUNT + 1;
startY = temp < 0 ? 0 : temp;
// 计算终点的最大X坐标与Y坐标
temp = posX + WIN_COUNT - 1;
endX = temp > Chessboard.BOARD_SIZE - 1 ? Chessboard.BOARD_SIZE - 1
: temp;
temp = posY + WIN_COUNT - 1;
endY = temp > Chessboard.BOARD_SIZE - 1 ? Chessboard.BOARD_SIZE - 1
: temp;
// 从左到右方向计算相同相邻棋子的数目
String[][] board = chessboard.getBoard();
for (int i = startY; i < endY; i++) {
if (board[posX][i] == ico && board[posX][i + 1] == ico) {
sameCount++;
} else if (sameCount != WIN_COUNT - 1) {
sameCount = 0;
}
}
if (sameCount == 0) {
// 从上到下计算相同相邻棋子的数目
for (int i = startX; i < endX; i++) {
if (board[i][posY] == ico && board[i + 1][posY] == ico) {
sameCount++;
} else if (sameCount != WIN_COUNT - 1) {
sameCount = 0;
}
}
}
if (sameCount == 0) {
// 从左上到右下计算相同相邻棋子的数目
int j = startY;
for (int i = startX; i < endX; i++) {
if (j < endY) {
if (board[i][j] == ico && board[i + 1][j + 1] == ico) {
sameCount++;
} else if (sameCount != WIN_COUNT - 1) {
sameCount = 0;
}
j++;
}
}
}
return sameCount == WIN_COUNT - 1 ? true : false;
}
public static void main(String[] args) throws Exception {
GobangGame gb = new GobangGame(new Chessboard());
gb.start();
}
}