赵忠林
0f5f70522a
- 将硬编码的新闻栏目数据替换为从CMS动态获取 - 添加了新闻栏目数据类型定义和解析函数 - 实现了新闻文章链接生成和标题解析功能 - 更新了页面参数传递，将navigationId改为categoryId - 添加了加载状态和空数据状态的UI显示 - 集成了文章详情页的动态路由跳转功能
402 lines
12 KiB
Vue
402 lines
12 KiB
Vue
<template>
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<main class="article-page">
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<section class="article-hero" :style="heroStyle">
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<div class="article-hero-mask">
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<div class="mx-auto max-w-screen-xl px-4 py-8">
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<a-breadcrumb class="article-breadcrumb">
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<a-breadcrumb-item>
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<NuxtLink to="/">首页</NuxtLink>
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</a-breadcrumb-item>
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<a-breadcrumb-item v-if="parentName">{{ parentName }}</a-breadcrumb-item>
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<a-breadcrumb-item>{{ pageTitle }}</a-breadcrumb-item>
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</a-breadcrumb>
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<div class="article-hero-title">{{ pageTitle }}</div>
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<div class="article-hero-meta">
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<a-tag v-if="typeof total === 'number'" color="green">共 {{ total }} 篇</a-tag>
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<a-tag v-if="keywords" color="blue">关键词：{{ keywords }}</a-tag>
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</div>
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<div class="mt-4 flex flex-wrap items-center gap-2">
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<a-input
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v-model:value="keywordInput"
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allow-clear
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class="w-full sm:w-80"
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placeholder="搜索标题/关键词"
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@press-enter="applySearch"
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/>
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<a-button type="primary" @click="applySearch">搜索</a-button>
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<a-button v-if="keywords" @click="clearSearch">清除</a-button>
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</div>
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</div>
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</div>
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</section>
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<section class="mx-auto max-w-screen-xl px-4 py-10">
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<a-card class="article-card" :bordered="false">
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<a-skeleton v-if="pending" active :paragraph="{ rows: 10 }" />
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<a-result
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v-else-if="!isValidNavigationId"
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status="404"
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title="栏目不存在"
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sub-title="navigationId 无效或缺失。"
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>
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<template #extra>
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<a-space>
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<a-button type="primary" @click="navigateTo('/')">返回首页</a-button>
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</a-space>
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</template>
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</a-result>
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<a-result
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v-else-if="loadError"
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status="error"
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title="文章加载失败"
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:sub-title="loadError.message"
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>
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<template #extra>
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<a-space>
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<a-button type="primary" @click="refresh()">重试</a-button>
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<a-button @click="navigateTo('/')">返回首页</a-button>
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</a-space>
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</template>
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</a-result>
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<template v-else>
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<a-empty v-if="!articles.length" description="暂无文章" />
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<a-list v-else item-layout="vertical" size="large" :data-source="articles">
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<template #renderItem="{ item, index }">
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<a-list-item
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:key="String(item.articleId ?? item.code ?? `${String(route.params.id)}-${index}`)"
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class="article-item"
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>
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<template #extra>
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<img
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v-if="resolveArticleImage(item)"
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class="article-cover"
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:src="resolveArticleImage(item)"
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:alt="resolveArticleTitle(item)"
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loading="lazy"
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@error="onImgError"
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/>
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</template>
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<a-list-item-meta :description="resolveArticleOverview(item)">
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<template #title>
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<NuxtLink class="article-title" :to="resolveArticleLink(item)">
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{{ resolveArticleTitle(item) }}
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</NuxtLink>
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</template>
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</a-list-item-meta>
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<div class="article-meta">
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<a-tag v-if="item.categoryName" color="default">{{ item.categoryName }}</a-tag>
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<a-tag v-if="item.author" color="blue">{{ item.author }}</a-tag>
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<a-tag v-if="item.createTime" color="green">{{ item.createTime }}</a-tag>
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<a-tag v-if="typeof item.actualViews === 'number'" color="default">
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阅读 {{ item.actualViews }}
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</a-tag>
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<a-tag v-if="typeof item.virtualViews === 'number'" color="default">
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热度 {{ item.virtualViews }}
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</a-tag>
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</div>
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</a-list-item>
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</template>
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</a-list>
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<div v-if="total > 0" class="mt-6 flex items-center justify-end">
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<a-pagination
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:current="page"
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:page-size="limit"
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:total="total"
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show-size-changer
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:page-size-options="['10', '20', '50', '100']"
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@change="onPageChange"
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@show-size-change="onPageSizeChange"
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/>
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</div>
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</template>
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</a-card>
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</section>
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</main>
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</template>
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<script setup lang="ts">
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import type { LocationQueryRaw } from 'vue-router'
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import { pageCmsArticle } from '@/api/cms/cmsArticle'
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import type { CmsArticle } from '@/api/cms/cmsArticle/model'
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import { getCmsNavigation } from '@/api/cms/cmsNavigation'
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import type { CmsNavigation } from '@/api/cms/cmsNavigation/model'
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const route = useRoute()
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const router = useRouter()
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function parseNumberParam(raw: unknown): number {
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const text = Array.isArray(raw) ? raw[0] : raw
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const n = Number(text)
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return Number.isFinite(n) ? n : NaN
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}
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function parsePositiveInt(raw: unknown, fallback: number) {
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const text = Array.isArray(raw) ? raw[0] : raw
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const n = Number(text)
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if (!Number.isFinite(n)) return fallback
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const i = Math.floor(n)
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return i > 0 ? i : fallback
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}
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function parseQueryString(raw: unknown) {
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const text = Array.isArray(raw) ? raw[0] : raw
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return typeof text === 'string' ? text.trim() : ''
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}
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const navigationId = computed(() => parseNumberParam(route.params.id))
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const isValidNavigationId = computed(() => Number.isFinite(navigationId.value) && navigationId.value > 0)
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const page = computed(() => parsePositiveInt(route.query.page, 1))
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const limit = computed(() => parsePositiveInt(route.query.limit, 10))
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const keywords = computed(() => parseQueryString(route.query.q))
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const keywordInput = ref(keywords.value)
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watch(
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() => keywords.value,
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(v) => {
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keywordInput.value = v
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}
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)
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function updateQuery(next: LocationQueryRaw) {
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// Keep list state shareable via URL.
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router.replace({
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path: route.path,
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query: {
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...route.query,
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...next
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}
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})
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}
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function applySearch() {
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updateQuery({ q: keywordInput.value?.trim() || undefined, page: 1 })
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}
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function clearSearch() {
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keywordInput.value = ''
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updateQuery({ q: undefined, page: 1 })
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}
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function onPageChange(nextPage: number) {
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updateQuery({ page: nextPage })
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}
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function onPageSizeChange(_current: number, nextSize: number) {
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updateQuery({ limit: nextSize, page: 1 })
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}
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const { data: navigation } = await useAsyncData<CmsNavigation | null>(
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() => `cms-navigation-${String(route.params.id)}`,
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async () => {
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if (!isValidNavigationId.value) return null
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return await getCmsNavigation(navigationId.value).catch(() => null)
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},
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{ watch: [navigationId] }
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)
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const {
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data: articlePage,
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pending,
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error: loadError,
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refresh
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} = await useAsyncData<{ list: CmsArticle[]; count: number } | null>(
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() => `cms-article-${String(route.params.id)}-${page.value}-${limit.value}-${keywords.value}`,
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async () => {
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if (!isValidNavigationId.value) return null
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return await pageCmsArticle({
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categoryId: navigationId.value,
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page: page.value,
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limit: limit.value,
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keywords: keywords.value || undefined
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})
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},
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{ watch: [navigationId, page, limit, keywords] }
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)
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const articles = computed(() => articlePage.value?.list ?? [])
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const total = computed(() => articlePage.value?.count ?? 0)
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function pickString(obj: unknown, key: string) {
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if (!obj || typeof obj !== 'object') return ''
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const record = obj as Record<string, unknown>
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const value = record[key]
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return typeof value === 'string' ? value.trim() : ''
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}
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const pageTitle = computed(() => {
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const name = pickString(navigation.value, 'title') || pickString(navigation.value, 'label')
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if (name) return name
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if (isValidNavigationId.value) return `栏目 ${navigationId.value}`
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return '文章列表'
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})
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const parentName = computed(() => pickString(navigation.value, 'parentName'))
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const heroStyle = computed(() => {
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const banner = pickString(navigation.value, 'banner')
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if (banner) return { backgroundImage: `url(${banner})` }
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return {}
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})
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function resolveArticleTitle(a: CmsArticle) {
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return String(a.title || a.code || '未命名文章').trim()
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}
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function resolveArticleLink(a: CmsArticle) {
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const articleId = typeof a.articleId === 'number' && Number.isFinite(a.articleId) ? a.articleId : NaN
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const code = String(a.code || '').trim()
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return {
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path: '/article-item',
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query: {
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id: Number.isFinite(articleId) ? String(articleId) : undefined,
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code: !Number.isFinite(articleId) && code ? code : undefined,
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navId: Number.isFinite(navigationId.value) ? String(navigationId.value) : undefined,
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page: String(page.value),
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limit: String(limit.value),
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q: keywords.value || undefined
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}
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}
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}
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function resolveArticleImage(a: CmsArticle) {
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const img = String(a.image || '').trim()
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return img || ''
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}
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function resolveArticleOverview(a: CmsArticle) {
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const text = String(a.overview || '').trim()
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if (text) return text
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const fallback = String(a.detail || '').trim()
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return fallback.length > 120 ? `${fallback.slice(0, 120)}...` : fallback
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}
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function onImgError(e: Event) {
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const el = e.target as HTMLImageElement | null
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if (!el) return
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el.style.display = 'none'
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}
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const seoTitle = computed(() => `${pageTitle.value} - 文章列表`)
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const seoDescription = computed(() => {
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if (keywords.value) return `${pageTitle.value} - 关键词「${keywords.value}」的文章列表`
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return `${pageTitle.value} - 文章列表`
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})
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useSeoMeta({
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title: seoTitle,
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description: seoDescription,
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ogTitle: seoTitle,
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ogDescription: seoDescription,
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ogType: 'website'
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})
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const canonicalUrl = computed(() => {
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if (import.meta.client) return window.location.href
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try {
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return useRequestURL().href
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} catch {
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return ''
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}
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})
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useHead(() => ({
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link: canonicalUrl.value ? [{ rel: 'canonical', href: canonicalUrl.value }] : []
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}))
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</script>
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<style scoped>
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.article-page {
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background: #f4f6f8;
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}
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.article-hero {
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background:
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radial-gradient(circle at 15% 20%, rgba(22, 163, 74, 0.22), transparent 60%),
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radial-gradient(circle at 85% 10%, rgba(59, 130, 246, 0.18), transparent 55%),
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linear-gradient(180deg, #ffffff, #f8fafc);
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background-size: cover;
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background-position: center;
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background-repeat: no-repeat;
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border-bottom: 1px solid rgba(0, 0, 0, 0.06);
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}
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.article-hero-mask {
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background: linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.92));
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}
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.article-breadcrumb {
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color: rgba(0, 0, 0, 0.6);
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}
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.article-hero-title {
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margin-top: 10px;
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font-size: 30px;
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font-weight: 900;
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color: rgba(0, 0, 0, 0.88);
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line-height: 1.2;
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}
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.article-hero-meta {
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margin-top: 10px;
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display: flex;
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flex-wrap: wrap;
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gap: 8px;
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}
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.article-card {
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border-radius: 12px;
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overflow: hidden;
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box-shadow: 0 10px 28px rgba(0, 0, 0, 0.06);
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}
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.article-item :deep(.ant-list-item-extra) {
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margin-inline-start: 24px;
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}
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.article-title {
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font-size: 18px;
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font-weight: 800;
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color: rgba(0, 0, 0, 0.88);
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text-decoration: none;
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}
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.article-meta {
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margin-top: 10px;
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display: flex;
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flex-wrap: wrap;
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gap: 8px;
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}
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.article-cover {
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width: 220px;
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height: 140px;
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object-fit: cover;
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border-radius: 10px;
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border: 1px solid rgba(0, 0, 0, 0.06);
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}
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@media (max-width: 640px) {
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.article-item :deep(.ant-list-item-extra) {
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margin-inline-start: 0;
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margin-top: 12px;
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width: 100%;
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}
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.article-cover {
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width: 100%;
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height: 200px;
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}
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}
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</style>
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