<template>
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<div>
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<el-popover ref="noticePopover" placement="bottom-end" :width="320" trigger="manual" v-model:visible="noticeVisible" popper-class="notice-popover">
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<!-- 弹出内容 -->
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<div class="notice-header">
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<span class="notice-title">通知公告</span>
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<span class="notice-mark-all" @click="markAllRead">全部已读</span>
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</div>
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<div v-if="noticeLoading" class="notice-loading">
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<el-icon class="is-loading"><Loading /></el-icon> 加载中...
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</div>
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<div v-else-if="noticeList.length === 0" class="notice-empty">
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<el-icon style="font-size:24px;display:block;margin-bottom:6px;"><Postcard /></el-icon>
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暂无公告
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</div>
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<div v-else>
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<div v-for="item in noticeList" :key="item.noticeId" class="notice-item" :class="{ 'is-read': item.isRead }" @click="previewNotice(item)">
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<el-tag size="small" :type="item.noticeType === '1' ? 'warning' : 'success'" class="notice-tag">
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{{ item.noticeType === '1' ? '通知' : '公告' }}
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</el-tag>
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<span class="notice-item-title">{{ item.noticeTitle }}</span>
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<span class="notice-item-date">{{ item.createTime }}</span>
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</div>
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</div>
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<!-- 触发器 -->
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<template #reference>
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<div class="right-menu-item hover-effect notice-trigger" @mouseenter="onNoticeEnter" @mouseleave="onNoticeLeave">
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<svg-icon icon-class="bell" />
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<span v-if="unreadCount > 0" class="notice-badge">{{ unreadCount }}</span>
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</div>
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</template>
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</el-popover>
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<!-- 预览弹窗 -->
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<notice-detail-view ref="noticeViewRef" />
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</div>
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</template>
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<script setup>
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import NoticeDetailView from './DetailView'
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import { listNoticeTop, markNoticeRead, markNoticeReadAll } from '@/api/system/notice'
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const noticePopover = ref(null)
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const noticeList = ref([])
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const unreadCount = ref(0)
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const noticeLoading = ref(false)
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const noticeVisible = ref(false)
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const noticeLeaveTimer = ref(null)
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const { proxy } = getCurrentInstance()
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// 加载顶部公告列表
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function loadNoticeTop() {
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noticeLoading.value = true
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listNoticeTop().then(res => {
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noticeList.value = res.data || []
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unreadCount.value = res.unreadCount !== undefined ? res.unreadCount : noticeList.value.filter(n => !n.isRead).length
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}).finally(() => {
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noticeLoading.value = false
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})
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}
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onMounted(() => loadNoticeTop())
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// 鼠标移入铃铛区域
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function onNoticeEnter() {
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clearTimeout(noticeLeaveTimer.value)
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noticeVisible.value = true
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nextTick(() => {
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const popper = noticePopover.value?.popperRef?.contentRef
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if (popper && !popper._noticeBound) {
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popper._noticeBound = true
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popper.addEventListener('mouseenter', () => clearTimeout(noticeLeaveTimer.value))
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popper.addEventListener('mouseleave', () => {
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noticeLeaveTimer.value = setTimeout(() => { noticeVisible.value = false }, 100)
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})
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}
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})
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}
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// 鼠标离开铃铛区域
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function onNoticeLeave() {
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noticeLeaveTimer.value = setTimeout(() => { noticeVisible.value = false }, 150)
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}
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// 预览公告详情
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function previewNotice(item) {
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if (!item.isRead) {
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markNoticeRead(item.noticeId).catch(() => {})
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const idx = noticeList.value.indexOf(item)
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if (idx !== -1) noticeList.value[idx] = { ...item, isRead: true }
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unreadCount.value = Math.max(0, unreadCount.value - 1)
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}
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proxy.$refs["noticeViewRef"].open(item.noticeId)
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}
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// 全部已读
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function markAllRead() {
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const ids = noticeList.value.map(n => n.noticeId).join(',')
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if (!ids) return
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markNoticeReadAll(ids).catch(() => {})
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noticeList.value = noticeList.value.map(n => ({ ...n, isRead: true }))
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unreadCount.value = 0
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}
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</script>
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<style lang="scss" scoped>
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.notice-trigger {
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position: relative;
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transform: translateX(-6px);
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.svg-icon { width: 1.2em; height: 1.2em; vertical-align: -0.2em; }
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.notice-badge {
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position: absolute;
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top: 7px;
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right: -3px;
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background: var(--el-color-danger);
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color: #fff;
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border-radius: 10px;
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font-size: 10px;
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height: 16px;
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line-height: 16px;
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padding: 0 4px;
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min-width: 16px;
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text-align: center;
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white-space: nowrap;
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pointer-events: none;
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}
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}
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.notice-popover { padding: 0 !important; }
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.notice-popover .notice-header {
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display: flex;
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align-items: center;
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justify-content: space-between;
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padding: 10px 14px;
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background: #f7f9fb;
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border-bottom: 1px solid #eee;
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font-size: 13px;
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font-weight: 600;
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color: #333;
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}
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.notice-popover .notice-mark-all {
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font-size: 12px;
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color: var(--el-color-primary);
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font-weight: normal;
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cursor: pointer;
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}
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.notice-popover .notice-mark-all:hover { color: #2b7cc1; }
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.notice-popover .notice-loading,
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.notice-popover .notice-empty {
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padding: 24px;
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text-align: center;
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color: #bbb;
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font-size: 12px;
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line-height: 1.8;
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}
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.notice-popover .notice-item {
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display: flex;
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align-items: center;
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gap: 8px;
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padding: 10px 14px;
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border-bottom: 1px solid #f5f5f5;
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cursor: pointer;
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transition: background 0.15s;
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}
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.notice-popover .notice-item:last-child { border-bottom: none; }
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.notice-popover .notice-item:hover { background: #f7f9fb; }
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.notice-popover .notice-item.is-read .notice-tag,
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.notice-popover .notice-item.is-read .notice-item-title,
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.notice-popover .notice-item.is-read .notice-item-date { opacity: 0.45; filter: grayscale(1); color: #999; }
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.notice-popover .notice-tag { flex-shrink: 0; }
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.notice-popover .notice-item-title {
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flex: 1;
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font-size: 12px;
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color: #333;
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overflow: hidden;
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white-space: nowrap;
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text-overflow: ellipsis;
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}
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.notice-popover .notice-item-date {
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flex-shrink: 0;
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font-size: 11px;
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color: #bbb;
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}
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</style>
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