65 lines
1.6 KiB
Vue
65 lines
1.6 KiB
Vue
<template>
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<div id="app">
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<router-view></router-view>
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<div class="theme-switcher" @click="toggleTheme" :title="`切换到${theme === 'light' ? '深色' : '浅色'}主题`">
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<span v-if="theme === 'light'">🌙</span>
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<span v-else>☀️</span>
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</div>
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</div>
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</template>
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<script setup>
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import { ref, onMounted, watchEffect } from 'vue';
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const theme = ref('light');
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const toggleTheme = () => {
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theme.value = theme.value === 'light' ? 'dark' : 'light';
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localStorage.setItem('theme', theme.value);
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};
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onMounted(() => {
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const savedTheme = localStorage.getItem('theme');
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if (savedTheme) {
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theme.value = savedTheme;
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} else {
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// 如果没有保存的主题，则根据系统设置初始化
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const prefersDark = window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches;
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theme.value = prefersDark ? 'dark' : 'light';
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}
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});
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watchEffect(() => {
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document.documentElement.className = theme.value === 'dark' ? 'dark-theme' : '';
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});
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</script>
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<style>
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.theme-switcher {
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position: fixed;
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bottom: 30px;
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right: 30px;
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width: 50px;
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height: 50px;
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border-radius: 50%;
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background-color: var(--bg-color-secondary);
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box-shadow: var(--box-shadow);
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display: flex;
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justify-content: center;
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align-items: center;
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cursor: pointer;
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font-size: 24px;
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user-select: none;
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transition: transform var(--transition-duration) ease, box-shadow var(--transition-duration) ease;
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z-index: 1000;
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}
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.theme-switcher:hover {
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transform: scale(1.1);
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box-shadow: var(--box-shadow-dark);
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}
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.theme-switcher:active {
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transform: scale(0.95);
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}
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</style> |