【C语言】——简单三子棋完整代码及流程

创建目录：

游戏基本框架：

#include <stdio.h>

void menu() {
	printf("******************************\n");
	printf("*********  1. play  **********\n");
	printf("*********  0. exit  **********\n");
	printf("******************************\n");
}

void game() {
	printf("三子棋\n");
}

int main() {

	int input = 0;
	do {
		menu();
		printf("请选择：>");
		scanf("%d", &input);
		switch (input) {
		case 1:
			game();
			break;
		case 0:
			printf("退出游戏\n");
			break;
		default:
			printf("选择错误，重新选择!\n");
			break;
		}
	} while (input);
	 
	return 0;
}
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完整代码：

game.h

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

#define ROW 3
#define COL 3

//初始化棋盘
void InitBoard(char borad[ROW][COL],int row,int col);

//打印棋盘
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
char CheckWin(char board[ROW][COL], int row, int col);
//电脑赢了 - '#'
//玩家赢了 - '*'
//平局 - 'Q'
//继续 - 'C'
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test.c

#define _CRT_SECURE_NO_WARNINGS 1

#include "game.h"//game.h 代码里包含了 stdio.h,所以无需再引入库函数
void menu() {
	printf("******************************\n");
	printf("*********  1. play  **********\n");
	printf("*********  0. exit  **********\n");
	printf("******************************\n");
}

void game() {
	char ret = 0;
	//数据的存储是二维数组
	char board[ROW][COL];//初始化为空格
	//初始化棋盘
	InitBoard(board, ROW, COL);
	DisplayBoard(board, ROW, COL);
	while (1) {
		//玩家下棋
		PlayerMove(board, ROW, COL);
		ret = CheckWin(board, ROW, COL);
		if (ret != 'C') {
			break;
		}
		DisplayBoard(board, ROW, COL);
		//电脑下棋
		ComputerMove(board, ROW, COL);
		ret = CheckWin(board, ROW, COL);
		if (ret != 'C') {
			break;
		}
		DisplayBoard(board, ROW, COL);
	}
	if (ret == '*') {
		printf("玩家赢了\n");
	}
	else if (ret == '#') {
		printf("电脑赢了\n");
	}
	else if (ret == 'Q') {
		printf("平局\n");
	}
	DisplayBoard(board, ROW, COL);
}

int main() {

	srand((unsigned int)time(NULL));

	int input = 0;
	do {
		menu();
		printf("请选择：>");
		scanf("%d", &input);
		switch (input) {
		case 1:
			game();
			break;
		case 0:
			printf("退出游戏\n");
			break;
		default:
			printf("选择错误，重新选择!\n");
			break;
		}
	} while (input);
	 
	return 0;
}
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game.c

#define _CRT_SECURE_NO_WARNINGS 1

#include "game.h"

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] = ' ';
		}
	}
}
可扩展性不好，当ROW和COL值变化时，将会打印出错误的图案
//void DisplayBoard(char board[ROW][COL], int row, int col) {
//	int i = 0;
//	for (i = 0; i < row; i++) {
//		//打印数据
//		printf(" %c | %c | %c \n", board[i][0], board[i][1], board[i][2]);
//		//打印分割行
//		if (i < ROW - 1) {
//			printf("---|---|---\n");
//		}
//	}
//}

//可扩展性好
void DisplayBoard(char board[ROW][COL], int row, int col) {
	int i = 0;
	for (i = 0; i < row; i++) {
		//打印数据
		int j = 0;
		for (j = 0; j < col; j++) {
			printf(" %c ", board[i][j]);
			if (j < col - 1) {
				printf("|");
			}
		}
		printf("\n");

		//打印分割行
		if (i < row - 1) {
			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 = 0;
	int y = 0;
	printf("玩家走：>");

	while (1) {
		printf("请输入一个坐标:>");
		scanf("%d%d", &x, &y);
		if (x >= 1 && x <= row && y >= 1 && y <= col) {
			if (board[x-1][y-1] != ' ') {
				printf("坐标被占用，请重新输入！\n");
			}
			else {
				board[x-1][y-1] = '*';
				break;
			}
		}
		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;
		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;
			}
		}
	}
	return 1;
}

char CheckWin(char board[ROW][COL], int row, int col) {
	//三行判断
	int i = 0;
	for (i = 0; i < row; i++) {
		if (board[i][0] == board[i][1] && board[i][1] == board[i][2] && board[i][0] != ' ') {
			return board[i][0];
		}
	}

	//三列判断
	int j = 0;
	for (j = 0; j < col; j++) {
		if (board[0][j] == board[1][j] && board[1][j] == board[2][j] && board[0][j] != ' ') {
			return board[0][j];
		}
	}
	//对角线
	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];
	}
	//平局
	if (isFull(board, row, col) == 1) {
		return 'Q';
	}
	//游戏继续
	return 'C';
}
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效果：