C语言实现简易的三子棋

用C语言实现一个简易的三子棋，九宫格

1.game.h

#ifndef _GAME_H_
#define _GAME_H_

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <Windows.h>

#pragma warning(disable:4996)

#define COL 3
#define ROW 3

void game();

#endif // !_GAME_H_

2.game.c

#include "game.h"


 static void display(char board[][COL], int row) {

	int i = 0;
	for (; i < row; i++) {
		printf(" %c | %c | %c |\n",\
			board[i][0], board[i][1], board[i][2] );
		if (i < row - 1) {
			printf("---|---|---\n");
		}
	}
}

 static void playerMove(char board[][COL], int row) {  

	int x, y;
	do {
		printf("请输入 <x,y>:");
		scanf("%d %d", &x, &y);

		if (x >= 1 && x <= 3 && y >= 1 && y <= 3) {
			if (board[x - 1][y - 1] == ' ') {
				board[x - 1][y - 1] = 'x';
				break;
			}
			else {
				printf("此处已被占用！请重新输入：\n");
			}
		}

		else {
			printf("输入错误！请重试！\n");
		}

	} while (1);
}

static void computerMove(char board[][COL], int row) {
	srand((unsigned long)time(NULL));
	do {
		int x = rand() % row;
		int y = rand() % COL;
		if (board[x][y] == ' ') {
			board[x][y] =  'o';
			break;
		}

	} while (1);
}

static int isFull(char board[][COL], int row) {

	int i = 0;
	for (; i < row; i++) {
		int j = 0;
		for (; j < COL; j++) {
			if (board[i][j] == ' ') {
				return 0;
			}
		}
	}
	return 1;
}

static int isWin(char board[][COL], int row) {

	int i = 0;
	for (; i < row; i++) {

		if (board[i][0] == board[i][1] && \
			board[i][1] == board[i][2] && board[i][0] != ' ') {
			return board[i][0];
		}
	}

	for (i = 0; i < COL; i++) {

		if (board[0][i] == board[1][i] && \
			board[1][i] == board[2][i] && board[0][i] != ' ') {
			return board[0][i];
		}
	}

	if (board[0][0] == board[1][1] && \
		board[1][1] == board[2][2] && board[0][0] != ' ') {
		return board[0][0];
	}

	if (board[0][2] == board[1][1] && \
		board[1][1] == board[2][0] && board[0][2] != ' ') {
		return board[0][2];
	}

	if (isFull(board, row)) {
		return 'q';
	}

	return ' ';
}

void game() 
{
	char board[ROW][COL];
	memset(board, ' ', ROW * COL);
	char ret;

	do {
		system("CLS");
		display(board, ROW);

		playerMove(board, ROW);
		
		ret = isWin(board, ROW);//x->plaer, o->computer, q->eq, ' 'no one win

		if (ret != ' ') {
			break;
		}

		computerMove(board, ROW);
		ret = isWin(board, ROW);

	} while (ret = ' ');

	if (ret == 'x') {
		printf("You Win!\n");
	}
	else if (ret == 'o') {
		printf("You Lose!\n");
	}
	else if (ret == 'q') {
		printf("平局！\n");
	}
	else {
		printf("Debug!\n");
	}

}

3.main.c

#include "game.h"

void menu() {
	printf("##############################\n");
	printf("### 1. play         2. exit###\n");
	printf("##############################\n");
	printf("Plaes Select: ");
}

int main() {

	int select = 0;

	do {
		menu();
		scanf("%d", &select);
		switch (select) {
		case 1:
			game();
			break;
		case 2:
			exit(0);
		default:
			break;
		}
	} while (1);

	system("pause");
	return 0;
}