hjc-web/app/templates/template-06/pages/NewsList.vue

<template>
  <div class="min-h-screen bg-[#F4F6FA]">
    <!-- 栏目头图 -->
    <div class="bg-[#1E2A47] relative overflow-hidden">
      <div class="absolute -top-16 -right-16 w-72 h-72 rounded-full bg-[#CF1313]/20 blur-3xl" />
      <div class="container mx-auto px-4 sm:px-6 lg:px-8 py-12 lg:py-16 relative z-10">
        <nav class="text-xs text-white/60 mb-3" aria-label="面包屑">
          <NuxtLink to="/" class="hover:text-white">首页</NuxtLink>
          <span class="mx-2">/</span>
          <span class="text-white">{{ pageTitle }}</span>
        </nav>
        <h1 class="text-3xl font-bold text-white mb-2">{{ pageTitle }}</h1>
        <p class="text-white/70 max-w-2xl">了解企业最新动态、行业洞察与产品资讯</p>
      </div>
    </div>

    <div class="container mx-auto px-4 sm:px-6 lg:px-8 py-12">
      <div v-if="pending" class="flex justify-center py-12"><SiteLoading /></div>
      <div v-else-if="error" class="text-center py-12"><SiteError message="获取新闻列表失败" /></div>
      <template v-else>
        <div v-if="articles.length > 0" class="grid md:grid-cols-2 lg:grid-cols-3 gap-6">
          <article v-for="item in articles" :key="item.id || item.articleId" class="bg-white rounded-2xl overflow-hidden shadow-sm hover:shadow-md transition-shadow border border-[#E5E7EB] group">
            <NuxtLink :to="`/article/${item.id || item.articleId}`">
              <div class="h-52 bg-[#F4F6FA] flex items-center justify-center overflow-hidden">
                <img v-if="item.image || item.cover || item.photo" :src="fileUrl(item.image || item.cover || item.photo || '')" :alt="item.title" class="w-full h-full object-contain group-hover:scale-105 transition-transform duration-500">
                <span v-else class="text-[#C9B7A3]">暂无图片</span>
              </div>
            </NuxtLink>
            <div class="p-5">
              <div class="flex items-center gap-3 text-xs text-[#666666] mb-2">
                <span>{{ formatDate(item.publishTime) }}</span>
                <span v-if="item.categoryName" class="px-2 py-0.5 rounded-full bg-[#FDECEC] text-[#CF1313]">{{ item.categoryName }}</span>
              </div>
              <h2 class="text-lg font-semibold text-[#1E2A47] mb-2 line-clamp-2 hover:text-[#CF1313] transition-colors"><NuxtLink :to="`/article/${item.id || item.articleId}`">{{ item.title }}</NuxtLink></h2>
              <p class="text-sm text-[#666666] line-clamp-3">{{ stripHtml(item.summary) }}</p>
            </div>
          </article>
        </div>
        <div v-else class="text-center py-20">
          <svg class="w-16 h-16 mx-auto text-[#C9B7A3] mb-4" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M19 20H5a2 2 0 01-2-2V6a2 2 0 012-2h10a2 2 0 012 2v1m2 13a2 2 0 01-2-2V7m2 13a2 2 0 002-2V9a2 2 0 00-2-2h-2m-4-3H9M7 16h6M7 8h6v4H7V8z" /></svg>
          <p class="text-[#666666]">暂无新闻内容</p>
        </div>

        <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="w-10 h-10 text-sm rounded-full transition-colors" :class="p === currentPage ? 'bg-[#CF1313] text-white' : 'bg-white text-[#1E2A47] border border-[#E5E7EB] hover:bg-[#F4F6FA]'" @click="currentPage = p">{{ p }}</button>
          </nav>
        </div>
      </template>
    </div>
  </div>
</template>

<script setup lang="ts">
import dayjs from 'dayjs'
import type { Article, PageResult, ApiEnvelope, CmsNavigation } from '~/types'
import { collectDescendantNavIds } from '~/utils/nav-tree'
const { allNavigations, fetchSiteInfo } = useSite()
const { fileUrl } = useFileUrl()
const route = useRoute()
await fetchSiteInfo()

/** navigationId 优先级：route.query.navId > route.params.id > model=article 第一个栏目 */
const navigationId = computed<number | undefined>(() => {
  const queryNavId = route.query.navId as string
  if (queryNavId) { const num = Number(queryNavId); if (!Number.isNaN(num)) return num }
  const routeId = route.params.id as string
  if (routeId) { const num = Number(routeId); if (!Number.isNaN(num)) return num }
  const navs = allNavigations.value || []
  const nav = navs.find((n) => n.model === 'article' || (n.path || '').split('/').filter(Boolean)[0] === 'article')
  return nav?.navigationId
})
/** 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 pageTitle = computed(() => {
  const navs = allNavigations.value || []
  const findNav = (items: CmsNavigation[]): CmsNavigation | undefined => {
    for (const item of items) {
      if (item.navigationId === navigationId.value) return item
      if (item.children?.length) { const f = findNav(item.children); if (f) return f }
    }
    return undefined
  }
  if (keywords.value) return `搜索："${keywords.value}"`
  return findNav(navs)?.title || '新闻资讯'
})
/** 搜索关键词（来自 Header 搜索框提交的 ?keywords=） */
const keywords = computed(() => ((route.query.keywords as string) || '').trim())

const currentPage = ref(1)
const limit = 12
const { data, pending, error } = await useFetch<ApiEnvelope<PageResult<Article>> | PageResult<Article>>('/api/article/list', {
  key: `t6-news-list-${keywords.value || 'all'}-${categoryIds.value ?? navigationId.value ?? 'default'}-p${currentPage.value}`,
  query: { categoryIds: keywords.value ? undefined : categoryIds.value, keywords: keywords.value || undefined, page: currentPage, limit },
  watch: [currentPage, navigationId, categoryIds, keywords]
})
const articles = computed<Article[]>(() => {
  const envelope = data.value as ApiEnvelope<PageResult<Article>>
  const direct = data.value as PageResult<Article>
  return envelope?.data?.list || direct?.list || []
})
const totalCount = computed(() => {
  const envelope = data.value as ApiEnvelope<PageResult<Article>>
  const direct = data.value as PageResult<Article>
  return envelope?.data?.count || envelope?.data?.total || direct?.count || direct?.total || 0
})
const totalPages = computed(() => Math.ceil(totalCount.value / limit))
watch([navigationId, keywords], () => { currentPage.value = 1 })
function formatDate(date?: string) { if (!date) return ''; return dayjs(date).format('YYYY-MM-DD') }
</script>