update

packages/frontend/src/App.vue

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+<script setup lang="ts">
+import { RouterLink, RouterView } from 'vue-router';
+import { useI18n } from 'vue-i18n'; // 引入 useI18n
+import { useAuthStore } from './stores/auth.store'; // 引入 Auth Store
+import { storeToRefs } from 'pinia';
+
+const { t } = useI18n(); // 获取 t 函数
+const authStore = useAuthStore();
+const { isAuthenticated } = storeToRefs(authStore); // 获取登录状态
+
+const handleLogout = () => {
+  authStore.logout();
+};
+</script>
+
+<template>
+  <div id="app-container">
+    <header>
+      <nav>
+        <RouterLink to="/">{{ t('nav.dashboard') }}</RouterLink> |
+        <RouterLink to="/connections">{{ t('nav.connections') }}</RouterLink> |
+        <RouterLink v-if="!isAuthenticated" to="/login">{{ t('nav.login') }}</RouterLink>
+        <a href="#" v-if="isAuthenticated" @click.prevent="handleLogout">{{ t('nav.logout') }}</a>
+      </nav>
+    </header>
+
+    <main>
+      <RouterView /> <!-- 路由对应的组件将在这里渲染 -->
+    </main>
+
+    <footer>
+      <!-- 使用 t 函数获取应用名称 -->
+      <p>&copy; 2025 {{ t('appName') }}</p>
+    </footer>
+  </div>
+</template>
+
+<style scoped>
+#app-container {
+  display: flex;
+  flex-direction: column;
+  min-height: 100vh;
+  font-family: sans-serif;
+}
+
+header {
+  background-color: #f0f0f0;
+  padding: 1rem;
+  border-bottom: 1px solid #ccc;
+}
+
+nav a {
+  margin: 0 0.5rem;
+  text-decoration: none;
+  color: #333;
+}
+
+nav a.router-link-exact-active {
+  font-weight: bold;
+  color: #007bff;
+}
+
+main {
+  flex-grow: 1;
+  padding: 1rem;
+}
+
+footer {
+  background-color: #f0f0f0;
+  padding: 0.5rem 1rem;
+  text-align: center;
+  font-size: 0.8rem;
+  color: #666;
+  border-top: 1px solid #ccc;
+  margin-top: auto; /* Pushes footer to the bottom */
+}
+</style>