C语言实现三子棋-创新互联

一、创建游戏初始界面
三子棋,也就是井字棋。构思游戏大致模块,再一一实现每个函数,首先创建test.c用于创建初始界面

1.1 进入游戏

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

1.2游戏菜单

void menu()
{
    printf("*****************************\n");
    printf("******     1. play     ******\n");
    printf("******     0. exit     ******\n");//0为假,用于终止循环
    printf("*****************************\n");
}

1.3游戏的实现

void game()
{
    char board[ROW][COL] = { 0 };//创建一个数组用于存放玩家和电脑下的棋
    InitBoard(board, ROW, COL);//初始化棋盘
    DisplayBoard(board, ROW, COL);//显示棋盘
    char ret;
    while (1)
    {
        PlayerMove(board, ROW, COL);//玩家下棋
        DisplayBoard(board, ROW, COL);
        ret = is_win(board, ROW, COL);
        if (ret != 'C')//判断棋盘是否满
            break;
        ComputerMove(board, ROW, COL);//电脑下棋
        DisplayBoard(board, ROW, COL);
        ret = is_win(board, ROW, COL);
        if (ret != 'C')
            break;
    }
    if (ret == '*')
        printf("玩家赢\n");
    else if (ret == '#')
        printf("电脑赢\n");
    else if (ret == 'Q')
        printf("平局\n");
}
二、创建存放头文件的文件
创建game.h用于存放头文件并且声明自定义函数
#define ROW 3
#define COL 3
#include#include#include//函数的声明
void InitBoard(char board[ROW][COL], int row, int col);
void DisplayBoard(char board[ROW][COL], int row, int col);
void PlayerMove(char board[ROW][COL], int row, int col);
void ComputerMove(char board[ROW][COL], int row, int col);
char is_win(char board[ROW][COL], int row, int col);
三、游戏主体的实现
创建game.c用于实现游戏主体
3.1 初始化棋盘函数
void InitBoard(char board[ROW][COL], int row, int col)
{
    for (int i = 0; i< row; i++)
    {
        for (int j = 0; j< col; j++)
        {
            board[i][j] = ' ';
        }
    }
    //或者memset(&board[0][0],' ',row*col*sizeof(board[0][0]));(注意需要包含头文件string.h)
}
3.2打印棋盘函数
void DisplayBoard(char board[ROW][COL], int row, int col)
{
    for (int i = 0; i< row; i++)
    {
        for (int j = 0; j< col; j++)
        {
            printf(" %c ", board[i][j]);
            if (j< col - 1)
                printf("|");//打印分割列
        }
        printf("\n");
        if (i< row - 1)
            for (int j = 0; j< col; j++)
            {
                printf("---");//打印分割行
                if (j< col - 1)
                    printf("|");
            }
        printf("\n");
    }
}
3.3 玩家下棋函数
void PlayerMove(char board[ROW][COL], int row, int col)
{
    int x = 0, y = 0;
    printf("玩家下棋\n");
    printf("请输入坐标->");
    scanf("%d%d", &x, &y);
    if (x >= 1 && x<= row && y >= 1 && y<= col)
    {
        if (board[x - 1][y - 1] == ' ')
            board[x - 1][y - 1] = '*';
        else
            printf("坐标被占用,请重新输入\n");
    }
    else
        printf("坐标非法,请重新输入\n");
}
3.4 电脑下棋函数
由于电脑下棋是随机的,因此需要用rand函数实现,而rand函数和srand配套使用,后面会把srand函数放置在主函数中
void ComputerMove(char board[ROW][COL], int row, int col)
{
    int x = 0, y = 0;
    printf("电脑下棋->\n");
    while (1)//如果生成的随机位置未被占用,电脑下棋,否则重新生成
    {
        x = rand() % row;
        y = rand() % col;
        if (board[x][y] == ' ')
        {
            board[x][y] = '#';
            break;
        }
    }
}
3.5 判断输赢函数
char is_win(char board[ROW][COL], int row, int col)
//玩家赢,返回'*'
//电脑赢,返回'#'
//平局,返回'Q'
//继续,返回'C'
{
    for (int i = 0; i< row; i++)//判断行
    {
        if (board[i][0] == board[i][1] && board[i][2] == board[i][1] && board[i][0] != ' ')
            return board[i][0];
    }
    for (int i = 0; i< col; i++)//判断列
    {
        if (board[0][i] == board[1][i] && board[2][i] == board[1][i] && board[0][i] != ' ')
            return board[i][i];
    }
    if ((board[0][0] == board[1][1] && board[1][1] == board[2][2] && board[0][0] != ' ') || (board[0][2] == board[1][1] && board[1][1] == board[2][0] && board[0][2] != ' '))
        //判断对角线
        return board[1][1];
    for (int i = 0; i< row; i++)
    {
        for (int j = 0; j< col; j++)
        {
            if (board[i][j] == ' ')
            {
                return 'C';
            }
        }
    }
    return 'Q';
}
四、完整代码

4.1 test.c文件

#define _CRT_SECURE_NO_WARNINGS 
#include "game.h"
void menu()
{
    printf("*****************************\n");
    printf("******     1. play     ******\n");
    printf("******     0. exit     ******\n");//0为假,用于终止循环
    printf("*****************************\n");
}
void game()
{
    char board[ROW][COL] = { 0 };
    InitBoard(board, ROW, COL);//初始化棋盘
    DisplayBoard(board, ROW, COL);//显示棋盘
    char ret;
    while (1)
    {
        PlayerMove(board, ROW, COL);//玩家下棋
        DisplayBoard(board, ROW, COL);
        ret = is_win(board, ROW, COL);
        if (ret != 'C')//判断棋盘是否满
            break;
        ComputerMove(board, ROW, COL);//电脑下棋
        DisplayBoard(board, ROW, COL);
        ret = is_win(board, ROW, COL);
        if (ret != 'C')
            break;
    }
    if (ret == '*')
        printf("玩家赢\n");
    else if (ret == '#')
        printf("电脑赢\n");
    else if (ret == 'Q')
        printf("平局\n");
}
int main()
{
    int input = 0;
    srand((unsigned int)time(NULL));//时间戳生成随机数,srand头文件stdlib.h,time头文件time.h
    do {
        menu();
        printf("请选择->");
        scanf("%d", &input);
        switch (input)
        {
        case 1:
            printf("开始游戏\n");
            game();
            break;
        case 0:printf("退出游戏\n");
            break;
        default:
            printf("选择错误,请重新选择\n");
            break;
        }
    } while (input);
    return 0;
}

4.2 game.h文件

#define _CRT_SECURE_NO_WARNINGS 
#define ROW 3
#define COL 3
#include#include#include//函数的声明
void InitBoard(char board[ROW][COL], int row, int col);
void DisplayBoard(char board[ROW][COL], int row, int col);
void PlayerMove(char board[ROW][COL], int row, int col);
void ComputerMove(char board[ROW][COL], int row, int col);
char is_win(char board[ROW][COL], int row, int col);

4.3 game.c文件

#define _CRT_SECURE_NO_WARNINGS 
#include "game.h"
void InitBoard(char board[ROW][COL], int row, int col)
{
    for (int i = 0; i< row; i++)
    {
        for (int j = 0; j< col; j++)
        {
            board[i][j] = ' ';
        }
    }
    //或者memset(&board[0][0],' ',row*col*sizeof(board[0][0]));(注意需要包含头文件string.h)
}
void DisplayBoard(char board[ROW][COL], int row, int col)
{
    for (int i = 0; i< row; i++)
    {
        for (int j = 0; j< col; j++)
        {
            printf(" %c ", board[i][j]);
            if (j< col - 1)
                printf("|");//打印分割列
        }
        printf("\n");
        if (i< row - 1)
            for (int j = 0; j< col; j++)
            {
                printf("---");//打印分割行
                if (j< col - 1)
                    printf("|");
            }
        printf("\n");
    }
}
void PlayerMove(char board[ROW][COL], int row, int col)
{
    int x = 0, y = 0;
    printf("玩家下棋\n");
    printf("请输入坐标->");
    scanf("%d%d", &x, &y);
    if (x >= 1 && x<= row && y >= 1 && y<= col)
    {
        if (board[x - 1][y - 1] == ' ')
            board[x - 1][y - 1] = '*';
        else
            printf("坐标被占用,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)
{
    int x = 0, y = 0;
    printf("电脑下棋->\n");
    while (1)//如果生成的随机位置未被占用,电脑下棋,否则重新生成
    {
        x = rand() % row;
        y = rand() % col;
        if (board[x][y] == ' ')
        {
            board[x][y] = '#';
            break;
        }
    }
}
char is_win(char board[ROW][COL], int row, int col)
//玩家赢,返回'*'
//电脑赢,返回'#'
//平局,返回'Q'
//继续,返回'C'
{
    for (int i = 0; i< row; i++)//判断行
    {
        if (board[i][0] == board[i][1] && board[i][2] == board[i][1] && board[i][0] != ' ')
            return board[i][0];
    }
    for (int i = 0; i< col; i++)//判断列
    {
        if (board[0][i] == board[1][i] && board[2][i] == board[1][i] && board[0][i] != ' ')
            return board[i][i];
    }
    if ((board[0][0] == board[1][1] && board[1][1] == board[2][2] && board[0][0] != ' ') || (board[0][2] == board[1][1] && board[1][1] == board[2][0] && board[0][2] != ' '))
        //判断对角线
        return board[1][1];
    for (int i = 0; i< row; i++)
    {
        for (int j = 0; j< col; j++)
        {
            if (board[i][j] == ' ')
            {
                return 'C';
            }
        }
    }
    return 'Q';
}

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