进阶模式
在普通模式的基础上添加棋子数量限制即可，修改代码如下：
- 定义数组缓存双方已下棋子，达到4颗时清除第一颗
- 最先下的棋子添加动画标识
<script setup>
import { ref, computed } from 'vue'
const chessboard = ref([])
const player = ref('X')
const chessX = ref([])
const chessO = ref([])
const itemClass = computed(() => {
return (item, idx) => {
return {
'chesspiece--x': item === 'X',
'chesspiece--o': item === 'O',
'chesspiece--none': item === '',
'chesspiece--x-anim': player.value === 'X' && item === 'X' && chessX.value.length == 3 && chessX.value[0] === idx,
'chesspiece--o-anim': player.value === 'O' && item === 'O' && chessO.value.length == 3 && chessO.value[0] === idx,
}
}
})
// 落子
const playChess = (index) => {
if (chessboard.value[index] === '') {
chessboard.value[index] = player.value
if (player.value === 'X') {
chessX.value.push(index)
if (chessX.value.length > 3) {
const last = chessX.value.shift()
chessboard.value[last] = ''
}
} else {
chessO.value.push(index)
if (chessO.value.length > 3) {
const last = chessO.value.shift()
chessboard.value[last] = ''
}
}
player.value = player.value === 'X' ? 'O' : 'X'
const winner = isWin()
if (winner) {
alert(`Player ${winner} wins!`)
initBoard()
}
}
}
// 检查游戏是否结束
const isWin = () => {
// 固定八种获胜组合
const winningCombinations = [
[0, 1, 2],
[3, 4, 5],
[6, 7, 8],
[0, 3, 6],
[1, 4, 7],
[2, 5, 8],
[0, 4, 8],
[2, 4, 6]
]
for (const combination of winningCombinations) {
const [a, b, c] = combination
if (chessboard.value[a] && chessboard.value[a] === chessboard.value[b] && chessboard.value[a] === chessboard.value[c]) {
return chessboard.value[a]
}
}
return false
}
// 初始化棋盘
const initBoard = () => {
chessboard.value = Array(9).fill('')
player.value = 'X'
}
initBoard()
</script>
<template>
<div class="tictactoe">
<div class="chessboard">
<div
v-for="(item, index) in chessboard"
:key="index"
class="chesspiece"
:class="itemClass(item, index)"
@click="playChess(index)"
:data-player="player"
>
</div>
</div>
</div>
</template>
<style scoped lang="scss">
.tictactoe {
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
background-color: #f5f5f5;
.chessboard {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 10px;
.chesspiece {
display: flex;
align-items: center;
justify-content: center;
width: 120px;
height: 120px;
border-radius: 10px;
background: #78bec5;
transition: all .3s;
cursor: pointer;
font-size: 70px;
font-weight: bolder;
color: white;
text-shadow: 1px 1px 4px #ccc;
&--none {
&:hover {
background: #4f6d70;
}
}
&--none[data-player="X"]:hover::after {
content: '✖';
color: rgb(201, 201, 201);
}
&--none[data-player="O"]:hover::after {
content: '〇';
color: rgb(201, 201, 201);
}
&--x {
background: #DC685A;
cursor: default;
&::after {
content: '✖';
font-size: 70px;
font-weight: bolder;
color: white;
text-shadow: 1px 1px 4px #ccc;
}
}
&--o {
background: #ECAF4F;
cursor: default;
&::after {
content: '〇';
font-size: 70px;
font-weight: bolder;
color: white;
text-shadow: 1px 1px 4px #ccc;
}
}
&--x-anim, &--o-anim {
animation: chessAnim 1.5s ease-in-out infinite alternate;
}
}
}
.chessboard--x {
.chesspiece {
&:hover::after {
content: '✖';
font-size: 70px;
font-weight: bolder;
color: rgb(192, 192, 192);
}
}
}
.chessboard--o {
.chesspiece {
&:hover::after {
content: '〇';
font-size: 70px;
font-weight: bolder;
color: rgb(192, 192, 192);
}
}
}
}
@keyframes chessAnim {
0% {
opacity: 0.3;
}
100% {
opacity: 1;
}
}
</style>
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上次更新: 2025/09/05, 8:09:00