适应对象
纯控制台输出，没有使用java swing，只有一个启动类。适合只关注代码逻辑，对java swing不感兴趣的初学者。
游戏过程截图展示
主要特点
- 纯控制台输出，不涉及java swing
- 只有一个类，复制过去即可启动
- 双人五子棋对战，交互良好
- 支持查看最后一次落子
- 胜负判断满足五子连珠即可，没有考虑禁手
代码
package gobang;
import java.util.Scanner;
/**
* TODO
*
* @author chen
* @since 2022/5/2 12:37 下午
*/
public class GobangApplication {
public static void main(String[] args) {
System.out.println("********************************************************");
System.out.println(" 欢迎来到双人五子棋对战");
System.out.println("********************************************************");
Scanner scanner = new Scanner(System.in);
System.out.println("请输入黑方的名字：");
String blackName = scanner.next();
System.out.println("黑方选手为：" + blackName);
System.out.println("请输入白方的名字：");
String whiteName = scanner.next();
System.out.println("白方选手为：" + whiteName);
String[] roleNames = new String[2];
roleNames[0] = blackName;
roleNames[1] = whiteName;
int[] grade = new int[2];
boolean play = true;
while (play) {
// 输入棋盘大小 棋盘太大显示异常
System.out.println("请输入棋盘大小，棋盘要大于10，小于17");
int size = scanner.nextInt();
if (size < 10 || size > 17) {
System.out.println("你输入的棋盘大小为" + size + ",棋盘要大于10，小于17");
continue;
}
System.out.println("欢迎黑方选手" + blackName + "和白方选手" + whiteName + "进行双人五子棋对战");
//打印棋盘
int[][] chessboard = new int[size][size];
StringBuilder head = new StringBuilder("\t");
for (int j = 0; j < size; j++) {
head.append(j + 1)
.append("\t");
}
System.out.println(head);
for (int i = 0; i < size; i++) {
StringBuilder line = new StringBuilder();
line.append(i + 1);
for (int j = 0; j < size; j++) {
line.append("\t");
if (chessboard[i][j] == 1) {
line.append('○');
} else if (chessboard[i][j] == -1) {
line.append('●');
} else if (chessboard[i][j] == 2) {
line.append('□');
} else if (chessboard[i][j] == -2) {
line.append('■');
} else {
line.append(' ');
}
}
line.append("\t");
line.append(i + 1);
System.out.println(line);
}
System.out.println(head);
boolean hasWinner = false;
//currentRole -1 是黑 1 是白
//roleNames[] roleNames[0] 是黑 roleNames[1] 是白
int currentRole = -1;
while (!hasWinner) {
//选手下棋
System.out.println(roleNames[currentRole > 0 ? 1 : 0] + "落子。");
System.out.println("请输入落子的行：");
int line = scanner.nextInt();
if (line < 1 || line > size) {
System.out.println("行" + line + "超出了棋盘范围");
continue;
}
System.out.println("请输入落子的列：");
int column = scanner.nextInt();
if (column < 1 || column > size) {
System.out.println("列" + column + "超出了棋盘范围");
continue;
}
if (chessboard[line - 1][column - 1] != 0) {
System.out.println("行" + line + "列" + column + "处已经有子，请重新落子");
continue;
}
//当前落子设置成 黑子-2，白子2
//历史落子设置成 黑子-1，白子1
chessboard[line - 1][column - 1] = currentRole * 2;
//打印棋盘
System.out.println(head);
for (int i = 0; i < size; i++) {
StringBuilder newline = new StringBuilder();
newline.append(i + 1);
for (int j = 0; j < size; j++) {
newline.append("\t");
if (chessboard[i][j] == 1) {
newline.append('○');
} else if (chessboard[i][j] == -1) {
newline.append('●');
} else if (chessboard[i][j] == 2) {
newline.append('□');
} else if (chessboard[i][j] == -2) {
newline.append('■');
} else {
newline.append(' ');
}
}
newline.append("\t");
newline.append(i + 1);
System.out.println(newline);
}
System.out.println(head);
//判断胜负 横竖撇捺四个方向满五子即为胜利，不考虑禁手
int[][] checkDirection = new int[][] {{1, 0}, {0, 1}, {1, 1}, {1, -1}};
//依次判断横竖撇捺四种情况
for (int i = 0; i < checkDirection.length && !hasWinner; i++) {
int sum = 1;
//两个方向
for (int j = 0; j < 2 && !hasWinner; j++) {
int x = line - 1;
int y = column - 1;
checkDirection[i][0] *= -1;
checkDirection[i][1] *= -1;
while (sum < 5) {
x = x + checkDirection[i][0];
y = y + checkDirection[i][1];
if (x >= 0 && x < size && y >= 0 && y < size && chessboard[x][y] == currentRole) {
//棋盘范围内，且与当前落子同一阵营
sum++;
} else {
break;
}
}
if (sum == 5) {
hasWinner = true;
}
}
}
if (hasWinner) {
grade[currentRole > 0 ? 1 : 0]++;
System.out.println(roleNames[currentRole > 0 ? 1 : 0] + "胜出！");
}
//最新移动改成默认旗子
chessboard[line - 1][column - 1] = currentRole;
//切换对手
currentRole = -currentRole;
}
System.out.println("********************************************************");
System.out.println(roleNames[0] + "胜出" + grade[0] + "次，" + roleNames[1] + "胜出" + grade[1] + "次。");
System.out.println("********************************************************");
System.out.println("是否再来一盘？ (Y继续，任意键退出)");
if (!"Y".equalsIgnoreCase(scanner.next())) {
play = false;
}
}
}
}
