C语言实现三子棋游戏

test.c源文件 - 三子棋游戏测试

game.h头文件 - 三子棋游戏函数的声明

game.c源文件 - 三子棋游戏函数的实现

主函数源文件： 

#define _CRT_SECURE_NO_WARNINGS 1#include"game.h"  //自己定义的用""
void menu()
{printf("****************************************\n");printf("*******        三子棋          *********\n");printf("*******   author：小凡同学     *********\n");printf("*******        1.play          *********\n");printf("*******        0.exit          *********\n");printf("****************************************\n");
}
void game()
{//存储数据 - 二位数组char board[ROW][COL];//初始化棋盘 - 初始化空格InitBoard(board, ROW, COL);//打印一下棋盘 - 本质上是打印数组内容DisplayBoard(board, ROW, COL);char ret = 0;//接受游戏状态while (1){//玩家下棋PlayerMove(board, ROW, COL);DisplayBoard(board, ROW, COL);//判断玩家是否赢得游戏ret=IsWin(board, ROW, COL);if (ret != 'C')break;//电脑下棋ComputerMove(board, ROW, COL);DisplayBoard(board, ROW, COL);//判断电脑是否赢得游戏ret = IsWin(board, ROW, COL);if (ret != 'C')break;}if (ret == '*'){printf("玩家赢了\n");}else if (ret == '#'){printf("电脑赢了\n");}else{printf("平局\n");}}
int main()
{int input=0;srand((unsigned int)time(NULL));do {menu();printf("请选择：>");scanf("%d", &input);switch (input){case 1:game();/*printf("三子棋游戏\n");*/break;case 0:printf("退出游戏\n");break;default:printf("选择错误，重新选择\n");break;}} while (input);  //当input=0是while条件判断为假，跳出循环，非零即为真，do while循环继续return 0;
}

头文件封装：

#pragma once//头文件的包含#include<stdio.h>
#include<stdlib.h>
#include<time.h>
//符号定义
#define ROW 10
#define COL 10//函数声明//初始化棋盘
void InitBoard(char board[ROW][COL], int row, int col);//打印棋盘的函数void DisplayBoard(char board[ROW][COL], int row, int col);//玩家下棋
void PlayerMove(char board[ROW][COL], int row, int col);//电脑下棋
void ComputerMove(char board[ROW][COL], int row, int col);//判断输赢
/*
游戏状态：
1.玩家赢了 - *
2.电脑赢了 - #
3.平局  - Q -棋盘下满了返回 * # Q 游戏结束
4.游戏继续 - CIsWin() 用来判断游戏的状态
*/
//判断游戏是否有输赢
char IsWin(char board[ROW][COL], int row, int col);//判断平局

游戏函数实现源文件： 

#define _CRT_SECURE_NO_WARNINGS 1
#include "game.h"
//初始化棋盘
void InitBoard(char board[ROW][COL], int row, int col)
{int i=0;int j = 0;for (i = 0; i < row; i++){for (j = 0; j < col; j++){board[i][j] = ' '; //初始化数组内容 ' '}}
}
//打印一下棋盘 - 本质上是打印数组内容
//void DisplayBoard(char board[ROW][COL], int row, int col)
//{
//	int i = 0;
//	for (i = 0; i < row; i++)
//	{
//		printf(" %c | %c | %c \n", board[i][0], board[i][1], board[i][2]);
//		if(i<row-1)
//			printf("---|---|---\n");
//	}
//}void DisplayBoard(char board[ROW][COL], int row, int col)
{int i = 0;for (i = 0; i < row; i++){int j = 0;for (j = 0; j < col; j++) {printf(" %c ", board[i][j]);if (j < col - 1)printf("|");}printf("\n");if (i < row - 1){int j = 0;for (j = 0; j < col; j++){printf("---");if (j < col - 1)printf("|");}printf("\n");}}
}void PlayerMove(char board[ROW][COL], int row, int col)
{int x, y;printf("玩家走：>\n");while (1) {printf("请输入下棋的坐标：>");scanf("%d %d", &x, &y);//判断坐标合法性if (x >= 1 && x <= row && y >= 1 && y <= col){//下棋//坐标是否被占用if (board[x - 1][y - 1] == ' '){board[x - 1][y - 1] = '*';break;}else{printf("坐标非法，请重新输入\n");}}else{printf("坐标非法，请重新输入\n");}}}void ComputerMove(char board[ROW][COL], int row, int col)
{printf("电脑走：>\n");while (1) {int x = rand() % row;int y = rand() % col;//判断占用if (board[x][y] == ' '){board[x][y] = '#';break;}}
}int IsFull(char board[ROW][COL], int row, int col)
{int i = 0;int j = 0;for (i = 0;i < row; i++){for (j = 0; j < col; j++){if (board[i][j] == ' '){return 0;//棋盘没满}}}return 1;//棋盘满了
}char IsWin(char board[ROW][COL], int row, int col)
{int i = 0;int j = 0;for (i = 0; i < row; i++){for (j = 0; j < col; j++){//判断三行if (board[i][j] == board[i][j+1] && board[i][j+1] == board[i][j+2] && board[i][j+1] != ' '){return board[i][j+1];}//判断三列if (board[i][j] == board[i+1][j] && board[i+1][j] == board[i+2][j] && board[i+1][j] != ' '){return board[i + 1][j];}//主对角线if (board[i][j] == board[i+1][j+1] && board[i + 1][j + 1] == board[i + 2][j + 2] && board[i+1][j+1] != ' '){return board[i+1][j+1];}//副对角线if (board[i][j] == board[i+1][j-1] && board[i+1][j-1] == board[i+2][j-2] && board[i+1][j-1] != ' '){return board[i + 1][j - 1];}}}判断三行//	for (i = 0; i < row; i++)//	{//		if (board[i][0] == board[i][1] && board[i][1] == board[i][2] && board[i][1] != ' ')//		{//			return board[i][1];//		}//	}判断三列//	for (i = 0; i < col; i++)//	{//		if (board[0][i] == board[1][i] && board[1][i] == board[2][i] && board[1][i] != ' ')//		{//			return board[1][i];//		}//	}判断对角线//	if (board[0][0] == board[1][1] && board[1][1] == board[2][2] && board[1][1] != ' ')//	{//		return board[1][1];//	}//	if (board[0][2] == board[1][1] && board[1][1] == board[2][0] && board[1][1] != ' ')//	{//		return board[1][1];//	}//判断平局//如果棋盘满了返回1，不满返回0int ret=IsFull(board, row, col);if (ret == 1){return 'Q';//平局}//继续return 'C';}

运行结果：