如何做出一个井字棋游戏（网站版）：

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一只小黑子ด้้้้้（章奕凡）

倔强青铜

2023-09-10 19:43:19

发布于：江苏

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1.新建3个txt文件
2.在第一个txt文件上输入以下代码：

<!DOCTYPE html>
<html>
<head>
    <title>井字棋游戏</title>
    <link rel="stylesheet" href="styles.css">
    <script src="script.js"></script>
</head>
<body>
    <h1>井字棋游戏</h1>
    
    <div class="game-board">
        <div class="cell" onclick="makeMove(0)"></div>
        <div class="cell" onclick="makeMove(1)"></div>
        <div class="cell" onclick="makeMove(2)"></div>
        <div class="cell" onclick="makeMove(3)"></div>
        <div class="cell" onclick="makeMove(4)"></div>
        <div class="cell" onclick="makeMove(5)"></div>
        <div class="cell" onclick="makeMove(6)"></div>
        <div class="cell" onclick="makeMove(7)"></div>
        <div class="cell" onclick="makeMove(8)"></div>
    </div>

    <div id="message"></div>
</body>
</html>

3.将文件名带后缀改为index.html
4.在第二个txt文件上输入以下代码：

.game-board {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

.cell {
    width: 150px;
    height: 150px;
    border: 1px solid #000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    cursor: pointer;
}

#message {
    margin-top: 20px;
    font-size: 24px;
    text-align: center;
}

5.将文件名带后缀改为styles.css
6.在第三个txt文件上输入以下代码：

let gameBoard = ["", "", "", "", "", "", "", "", ""];
let currentPlayer = "X";
let gameOver = false;

function makeMove(index) {
    if (!gameOver && gameBoard[index] === "") {
        gameBoard[index] = currentPlayer;
        document.getElementsByClassName("cell")[index].innerText = currentPlayer;

        checkGameOver();
        
        currentPlayer = currentPlayer === "X" ? "O" : "X";
    }
}

function checkGameOver() {
    const winningCombinations = [
        [0, 1, 2], [3, 4, 5], [6, 7, 8], // 横
        [0, 3, 6], [1, 4, 7], [2, 5, 8], // 竖
        [0, 4, 8], [2, 4, 6] // 斜
    ];

    for (let combination of winningCombinations) {
        const [a, b, c] = combination;
        if (
            gameBoard[a] !== "" &&
            gameBoard[a] === gameBoard[b] &&
            gameBoard[b] === gameBoard[c]
        ) {
            gameOver = true;
            document.getElementById("message").innerText = `游戏结束，${gameBoard[a]} 赢了！`;
            return;
        }
    }

    if (!gameBoard.includes("")) {
        gameOver = true;
        document.getElementById("message").innerText = "游戏结束，平局！";
    }
}

7.将文件名带后缀改为script.js
8.把三个文件放到同一个文件夹里

这是一个简单的井字棋游戏，通过点击格子进行下棋操作，并根据规则判断游戏结束。

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