168 lines
3.5 KiB
Vue
168 lines
3.5 KiB
Vue
<script setup>
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import { ref, onMounted, onUnmounted } from 'vue'
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import { RouterView } from 'vue-router'
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import AppHeader from './components/AppHeader.vue'
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import AppFooter from './components/AppFooter.vue'
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import LoginModal from './components/LoginModal.vue'
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import AnnouncementModal from './components/AnnouncementModal.vue'
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// --- 主题切换逻辑 ---
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const isDark = ref(false)
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// 执行切换操作
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const applyTheme = (dark) => {
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isDark.value = dark
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if (dark) {
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document.documentElement.classList.add('dark')
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} else {
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document.documentElement.classList.remove('dark')
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}
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}
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// 按钮点击事件
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const toggleTheme = () => {
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applyTheme(!isDark.value)
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}
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// --- 回到顶部逻辑 ---
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const showBackTop = ref(false)
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const handleScroll = () => {
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showBackTop.value = window.scrollY > 200
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}
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const scrollToTop = () => {
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window.scrollTo({
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top: 0,
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behavior: 'smooth'
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})
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}
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// 初始化：根据时间判断 (19:00 - 06:00为暗色)
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onMounted(() => {
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const hour = new Date().getHours()
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const isNight = hour >= 19 || hour < 6
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applyTheme(isNight)
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// 添加滚动监听
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window.addEventListener('scroll', handleScroll)
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})
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onUnmounted(() => {
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// 移除滚动监听
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window.removeEventListener('scroll', handleScroll)
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})
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</script>
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<template>
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<AppHeader />
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<!-- 路由出口 -->
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<RouterView />
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<AppFooter />
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<LoginModal />
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<AnnouncementModal />
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<!-- 全局主题切换按钮 -->
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<div class="theme-switch-btn" @click="toggleTheme" :title="isDark ? '切换到亮色' : '切换到暗色'">
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<i v-if="isDark" class="fa-solid fa-moon"></i>
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<i v-else class="fa-solid fa-sun"></i>
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</div>
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<!-- 全局回到顶部按钮 -->
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<Transition name="fade">
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<div
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v-show="showBackTop"
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class="back-to-top"
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@click="scrollToTop"
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title="回到顶部"
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>
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<i class="fa-solid fa-arrow-up"></i>
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</div>
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</Transition>
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</template>
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<style>
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/* 引入修改后的main.css */
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@import './assets/main.css';
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/* 切换按钮样式 */
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.theme-switch-btn {
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position: fixed;
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bottom: 100px; /* 位于返回顶部按钮上方 */
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right: 40px;
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width: 50px;
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height: 50px;
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background-color: var(--bg-card);
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border: 1px solid var(--border-color);
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color: var(--text-main);
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border-radius: 50%;
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display: flex;
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align-items: center;
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justify-content: center;
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font-size: 1.2rem;
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box-shadow: var(--shadow-md);
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cursor: pointer;
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z-index: 999;
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transition: all 0.3s ease;
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}
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.theme-switch-btn:hover {
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transform: rotate(15deg) scale(1.1);
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border-color: var(--primary);
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color: var(--primary);
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}
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/* 回到顶部按钮样式 */
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.back-to-top {
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position: fixed;
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bottom: 40px;
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right: 40px;
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width: 50px;
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height: 50px;
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background-color: var(--primary);
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color: white;
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border-radius: 50%;
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display: flex;
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align-items: center;
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justify-content: center;
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font-size: 1.2rem;
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box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.3);
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cursor: pointer;
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z-index: 999;
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transition: all 0.3s ease;
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}
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.back-to-top:hover {
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transform: translateY(-5px);
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background-color: var(--primary-dark);
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box-shadow: 0 15px 20px -3px rgba(37, 99, 235, 0.4);
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}
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/* Vue 过渡动画 */
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.fade-enter-active,
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.fade-leave-active {
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transition: opacity 0.3s ease, transform 0.3s ease;
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}
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.fade-enter-from,
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.fade-leave-to {
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opacity: 0;
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transform: translateY(20px);
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}
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@media (max-width: 768px) {
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.theme-switch-btn {
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right: 20px;
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bottom: 80px;
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width: 45px;
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height: 45px;
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}
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.back-to-top {
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bottom: 20px;
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right: 20px;
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width: 45px;
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height: 45px;
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}
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}
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</style> |