feat(app): 添加多模板关于我们页面及相关路由和404页面

- 新增404页面，优化未找到页面体验，避免被搜索引擎索引 - 增加文件代理接口，隐藏真实文件服务器地址，支持文件请求代理 - 实现/article、/case、/product及/page动态路由兼容列表与详情展示 - 添加动态CMS页面兼容入口处理旧式路径，统一路由与SEO设置 - 新增模板1、模板7、模板2、模板3关于我们页面，实现多模板支持 - 模板增强支持CMS单页内容加载及SEO信息动态设置 - 配置环境变量及Git忽略文件规则辅助开发和构建环境管理
2026-09-08 12:13:44 +08:00
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+<template>
+  <div class="min-h-screen py-16 bg-[var(--t8-bg-soft)]">
+    <div class="container mx-auto px-4 sm:px-6 lg:px-8">
+      <div class="text-center mb-12">
+        <span class="inline-block px-3 py-1 rounded-full bg-[var(--t8-primary-soft)] text-[var(--t8-primary)] text-sm font-semibold mb-4">产品系列</span>
+        <h1 class="text-3xl font-bold text-[var(--t8-text)] mb-4">产品中心</h1>
+        <p class="text-[var(--t8-text-secondary)] max-w-2xl mx-auto">为您精选自然美味的好产品</p>
+      </div>
+
+      <div v-if="pending" class="flex justify-center py-12">
+        <SiteLoading />
+      </div>
+      <SiteError v-else-if="error" message="获取产品列表失败" />
+
+      <div v-else class="grid sm:grid-cols-2 lg:grid-cols-3 gap-6">
+        <article
+          v-for="item in products"
+          :key="item.id ?? item.productId"
+          class="bg-white rounded-3xl overflow-hidden shadow-sm hover:shadow-md transition-shadow border border-[var(--t8-border)]"
+        >
+          <div class="aspect-video bg-[var(--t8-primary-faint)] flex items-center justify-center">
+            <img
+              v-if="item.cover"
+              :src="fileUrl(item.cover)"
+              :alt="item.productName"
+              class="w-full h-full object-cover"
+            >
+            <span v-else class="text-[var(--t8-muted)]">暂无图片</span>
+          </div>
+          <div class="p-5">
+            <h2 class="text-lg font-semibold text-[var(--t8-text)] mb-2 hover:text-[var(--t8-primary)] transition-colors">
+              <NuxtLink :to="`/product/${item.id ?? item.productId}`">{{ item.productName }}</NuxtLink>
+            </h2>
+            <p class="text-sm text-[var(--t8-text-secondary)] line-clamp-2 mb-4">{{ stripHtml(item.description || item.subtitle) }}</p>
+            <div class="flex items-center justify-between">
+              <span v-if="item.price" class="text-lg font-bold text-[var(--t8-primary)]">{{ item.price }}</span>
+              <NuxtLink
+                :to="`/product/${item.id ?? item.productId}`"
+                class="text-sm text-[var(--t8-primary)] hover:text-[var(--t8-primary-dark)] font-medium"
+              >
+                了解详情 →
+              </NuxtLink>
+            </div>
+          </div>
+        </article>
+      </div>
+
+      <!-- 空状态 -->
+      <div v-if="!pending && !error && products.length === 0" class="text-center py-20">
+        <svg class="w-16 h-16 mx-auto text-[var(--t8-muted-light)] mb-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+          <path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M20 7l-8-4-8 4m16 0l-8 4m8-4v10l-8 4m0-10L4 7m8 4v10M4 7v10l8 4" />
+        </svg>
+        <p class="text-[var(--t8-text-secondary)]">暂无产品内容</p>
+      </div>
+
+      <!-- 分页 -->
+      <div v-if="totalPages > 1" class="flex justify-center mt-12">
+        <nav class="flex items-center gap-2">
+          <button
+            v-for="p in totalPages"
+            :key="p"
+            class="px-4 py-2 text-sm rounded-lg transition-colors"
+            :class="p === currentPage ? 'bg-[var(--t8-primary)] text-white' : 'bg-white text-[var(--t8-text)] hover:bg-[var(--t8-primary-soft)]'"
+            @click="currentPage = p"
+          >
+            {{ p }}
+          </button>
+        </nav>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import type { Product, PageResult, ApiEnvelope } from '~/types'
+import { collectDescendantNavIds } from '~/utils/nav-tree'
+
+/**
+ * 产品列表页
+ */
+const { fileUrl } = useFileUrl()
+const { allNavigations, fetchSiteInfo } = useSite()
+const route = useRoute()
+
+await fetchSiteInfo()
+
+/**
+ * 栏目 navigationId：从查询参数或路由参数读取。
+ * 优先级（2026-07-21 修正）：route.query.navId > route.params.id
+ * （子分类下拉切换通过 ?navId= 传入，必须优先于路径参数，否则切换不生效）
+ */
+const navigationId = computed<number | undefined>(() => {
+  // 1. 查询参数优先（导航子分类下拉切换时传入）
+  const qid = route.query.navId as string
+  if (qid) {
+    const n = Number(qid)
+    if (!Number.isNaN(n)) return n
+  }
+  // 2. 路由参数（/product/:navigationId）
+  const pid = route.params.id as string
+  if (pid) {
+    const n = Number(pid)
+    if (!Number.isNaN(n)) return n
+  }
+  return undefined
+})
+
+// 聚合：父栏目访问时递归收集自身 + 所有后代栏目 navigationId，交给后端 IN 查询
+const categoryIds = computed<string | undefined>(() => {
+  const ids = collectDescendantNavIds(navigationId.value, allNavigations.value || [])
+  return ids.length ? ids.join(',') : undefined
+})
+
+const currentPage = ref(1)
+const limit = 12
+
+const { data, pending, error } = await useFetch<
+  ApiEnvelope<PageResult<Product>> | PageResult<Product>
+>('/api/product/list', {
+  key: `product-list-${categoryIds.value ?? navigationId.value ?? 'all'}-p${currentPage.value}`,
+  query: {
+    page: currentPage,
+    limit,
+    ...(categoryIds.value
+      ? { categoryIds: categoryIds.value }
+      : (navigationId.value ? { navigationId: navigationId.value } : {}))
+  },
+  watch: [currentPage, categoryIds, navigationId]
+})
+
+const products = computed<Product[]>(() => {
+  const envelope = data.value as ApiEnvelope<PageResult<Product>>
+  const direct = data.value as PageResult<Product>
+  return envelope?.data?.list || direct?.list || []
+})
+
+const totalCount = computed(() => {
+  const envelope = data.value as ApiEnvelope<PageResult<Product>>
+  const direct = data.value as PageResult<Product>
+  return envelope?.data?.count || envelope?.data?.total || direct?.count || direct?.total || 0
+})
+const totalPages = computed(() => Math.max(1, Math.ceil(totalCount.value / limit)))
+
+// 切换栏目时回到第 1 页
+watch([categoryIds, navigationId], () => {
+  currentPage.value = 1
+})
+</script>