官网开发 0810-v2

www/app/components/AppHeader.vue

@@ -11,6 +11,32 @@ const appStore = useAppStore();
 
 const { navItems, navAppearance, productSeries, site } = storeToRefs(siteStore);
 
+// ===== 多语言：按站点配置决定可切换的语言 =====
+// 启用的语言代码；未配置时默认全部语言
+const enabledLocaleCodes = computed<string[]>(() => {
+  const all: string[] = (unref(locales) || []).map(l => l.code);
+  const raw = site.value?.enabled_locales;
+  if (!raw) return all;
+  const list = raw.split(',').map(s => s.trim()).filter(c => all.includes(c));
+  return list.length ? list : all;
+});
+
+// 实际展示的切换按钮 = i18n locales ∩ 启用列表
+const activeLocales = computed(() => (unref(locales) || []).filter(l => enabledLocaleCodes.value.includes(l.code)));
+
+// 只启用一种语言时不显示切换按钮
+const showLocaleSwitch = computed(() => activeLocales.value.length > 1);
+
+// 当前语言被停用（如只启用中文时访问 /en/*）：跳转到首个启用语言的对应页面
+watch(
+  [enabledLocaleCodes, () => locale.value],
+  ([codes]) => {
+    if (!site.value || codes.includes(locale.value)) return;
+    const target = codes[0];
+    if (target) navigateTo(switchLocalePath(target as typeof locale.value));
+  }
+);
+
 // 滚动状态：滚动后强制毛玻璃背景 + 深色文字
 const { y: scrollY } = useWindowScroll();
 const isScrolled = computed(() => scrollY.value > 24);
@@ -186,9 +212,9 @@ function closeMobile() {
 
       <!-- 右侧：语言切换 + 移动端汉堡 -->
       <div class="flex items-center gap-12px">
-        <div class="hidden md:flex items-center gap-4px">
+        <div v-if="showLocaleSwitch" class="hidden md:flex items-center gap-4px">
           <NuxtLink
-            v-for="loc in locales"
+            v-for="loc in activeLocales"
             :key="loc.code"
             :to="switchLocalePath(loc.code)"
             class="px-8px py-4px rounded text-sm transition-colors"
@@ -230,9 +256,9 @@ function closeMobile() {
           {{ siteStore.navLabel(item) }}
         </NuxtLink>
 
-        <div class="flex items-center gap-8px mt-12px px-12px">
+        <div v-if="showLocaleSwitch" class="flex items-center gap-8px mt-12px px-12px">
           <NuxtLink
-            v-for="loc in locales"
+            v-for="loc in activeLocales"
             :key="loc.code"
             :to="switchLocalePath(loc.code)"
             class="px-12px py-6px rounded text-sm transition-colors"