feat(desktop-client): 阶段4-6 Electron EXE 客户端（登录/课表/作业/通知/成绩/设置 + Socket.IO 实时 + IndexedDB 离线缓存与自动同步 + electron-builder 打包）
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<script setup lang="ts">
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import { computed, onMounted, ref } from 'vue';
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import { useRouter } from 'vue-router';
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import { ElMessage, ElMessageBox } from 'element-plus';
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import { formatDate } from '@classhelper/shared';
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import type { DesktopAppInfo } from '../../types/desktop.js';
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import { pingHealth, setApiBaseUrl } from '../api/http.js';
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import { normalizeServerUrl } from '../config.js';
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import { useAppStore } from '../stores/app.js';
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import { useAuthStore } from '../stores/auth.js';
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import { useNotificationStore } from '../stores/notifications.js';
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import { useRealtimeStore } from '../stores/realtime.js';
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const router = useRouter();
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const appStore = useAppStore();
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const auth = useAuthStore();
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const realtime = useRealtimeStore();
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const notifications = useNotificationStore();
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const serverInput = ref(appStore.serverUrl);
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const testing = ref(false);
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const saving = ref(false);
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const appInfo = ref<DesktopAppInfo | null>(null);
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const storeLabels: Record<string, string> = {
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profile: '登录资料',
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classes: '班级 / 学期',
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schedules: '课表',
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homeworks: '作业',
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notifications: '通知',
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grades: '成绩',
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};
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const cacheRows = computed(() =>
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appStore.cacheStoreStats.map((item) => ({
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label: storeLabels[item.store] ?? item.store,
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store: item.store,
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count: item.count,
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updatedAt: item.updatedAt ? formatDate(item.updatedAt, true) : '—',
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})),
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);
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async function loadAppInfo(): Promise<void> {
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if (!window.desktop) return;
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appInfo.value = await window.desktop.getAppInfo();
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}
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async function saveServer(): Promise<void> {
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const normalized = normalizeServerUrl(serverInput.value);
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if (!normalized) {
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ElMessage.error('服务器地址格式不正确，例如 http://127.0.0.1:4000');
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return;
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}
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saving.value = true;
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try {
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await appStore.applyServerUrl(normalized);
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serverInput.value = normalized;
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ElMessage.success('服务器地址已保存');
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await testConnection();
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if (auth.token) realtime.connect(normalized, auth.token);
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} finally {
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saving.value = false;
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}
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}
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async function testConnection(): Promise<void> {
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testing.value = true;
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try {
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const result = await pingHealth();
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if (result.ok) ElMessage.success('服务器连接正常');
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else ElMessage.error('无法连接服务器，请检查地址与网络');
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} finally {
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testing.value = false;
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}
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}
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async function manualSync(): Promise<void> {
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setApiBaseUrl(appStore.serverUrl);
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await appStore.ping();
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if (appStore.offline) {
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ElMessage.warning('当前无法连接服务器，已保留缓存数据');
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return;
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}
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await notifications.load();
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appStore.markSynced();
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ElMessage.success('已同步最新数据');
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}
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async function clearCache(): Promise<void> {
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await ElMessageBox.confirm('清空后离线时将无法查看历史数据，确认继续？', '清空离线缓存', {
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type: 'warning',
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});
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await appStore.clearCache();
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ElMessage.success('离线缓存已清空');
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}
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async function logout(): Promise<void> {
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await ElMessageBox.confirm('确认退出当前账号？', '退出登录', { type: 'warning' });
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realtime.disconnect();
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await auth.logout();
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ElMessage.success('已退出登录');
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await router.replace('/login');
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}
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onMounted(async () => {
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await loadAppInfo();
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await appStore.refreshCacheStats();
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});
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</script>
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<template>
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<div class="page">
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<div class="page-header">
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<div>
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<h2 class="page-title">设置</h2>
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<p class="page-subtitle">服务器连接、账号信息与离线缓存管理</p>
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</div>
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</div>
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<el-row :gutter="12">
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<el-col :xs="24" :md="12">
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<el-card shadow="never">
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<template #header><span>服务器连接</span></template>
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<el-form label-position="top">
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<el-form-item label="服务器地址">
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<el-input v-model="serverInput" placeholder="http://127.0.0.1:4000">
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<template #prefix>
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<el-icon><Link /></el-icon>
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</template>
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</el-input>
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</el-form-item>
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</el-form>
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<div class="toolbar">
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<el-button type="primary" :loading="saving" @click="saveServer">保存并测试</el-button>
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<el-button :loading="testing" @click="testConnection">测试连接</el-button>
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<el-button @click="manualSync">立即同步</el-button>
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</div>
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<el-descriptions class="mt-16" :column="1" border size="small">
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<el-descriptions-item label="当前状态">
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<el-tag :type="appStore.serverReachable ? 'success' : 'danger'" size="small">
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{{ appStore.serverReachable ? '服务器可达' : '离线（显示缓存数据）' }}
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</el-tag>
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<el-tag class="ml-8" :type="realtime.connected ? 'success' : 'info'" size="small">
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{{ realtime.statusText }}
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</el-tag>
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</el-descriptions-item>
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<el-descriptions-item label="最近同步">{{ appStore.lastSyncText }}</el-descriptions-item>
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<el-descriptions-item label="实时事件数">{{ realtime.eventCount }} 条</el-descriptions-item>
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</el-descriptions>
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</el-card>
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<el-card shadow="never" class="mt-12">
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<template #header><span>账号信息</span></template>
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<el-descriptions :column="1" border size="small">
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<el-descriptions-item label="姓名">{{ auth.user?.name ?? '-' }}</el-descriptions-item>
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<el-descriptions-item label="用户名">{{ auth.user?.username ?? '-' }}</el-descriptions-item>
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<el-descriptions-item label="班级">{{ auth.user?.className ?? '未分班' }}</el-descriptions-item>
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<el-descriptions-item label="年级">{{ auth.user?.grade ?? '-' }}</el-descriptions-item>
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</el-descriptions>
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<el-button class="mt-16" type="danger" plain @click="logout">退出登录</el-button>
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</el-card>
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</el-col>
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<el-col :xs="24" :md="12">
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<el-card shadow="never">
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<template #header><span>离线缓存（IndexedDB）</span></template>
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<el-table :data="cacheRows" size="small" empty-text="暂无缓存数据">
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<el-table-column prop="label" label="数据类型" width="130" />
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<el-table-column label="条目数" width="90">
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<template #default="{ row }">{{ row.count }}</template>
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</el-table-column>
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<el-table-column label="最近更新" min-width="150">
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<template #default="{ row }">{{ row.updatedAt }}</template>
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</el-table-column>
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</el-table>
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<div class="toolbar mt-12">
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<el-button :icon="'Refresh'" @click="appStore.refreshCacheStats()">刷新统计</el-button>
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<el-button type="danger" plain @click="clearCache">清空缓存</el-button>
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</div>
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<el-alert
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class="mt-12"
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type="info"
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:closable="false"
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show-icon
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title="离线可用"
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description="断网后课表、作业、通知、成绩都会从本地缓存读取；恢复网络后自动向服务器同步最新数据。"
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/>
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</el-card>
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<el-card shadow="never" class="mt-12">
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<template #header><span>客户端信息</span></template>
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<el-descriptions :column="1" border size="small">
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<el-descriptions-item label="应用版本">{{ appInfo?.appVersion ?? '-' }}</el-descriptions-item>
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<el-descriptions-item label="Electron">{{ appInfo?.electron ?? '-' }}</el-descriptions-item>
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<el-descriptions-item label="Chromium">{{ appInfo?.chrome ?? '-' }}</el-descriptions-item>
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<el-descriptions-item label="Node.js">{{ appInfo?.node ?? '-' }}</el-descriptions-item>
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<el-descriptions-item label="平台">{{ appInfo?.platform ?? '-' }}</el-descriptions-item>
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<el-descriptions-item label="数据目录">{{ appInfo?.userDataPath ?? '-' }}</el-descriptions-item>
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</el-descriptions>
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</el-card>
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</el-col>
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</el-row>
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</div>
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</template>
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<style scoped>
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.ml-8 {
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margin-left: 8px;
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}
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</style>
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