412 lines
9.0 KiB
Vue
412 lines
9.0 KiB
Vue
<template>
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<section class="page-card">
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<div class="hero">
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<div>
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<h2>所有商品</h2>
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<div class="filter-search-row">
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<div class="filters">
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<button
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class="filter-btn"
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:class="{ active: filter === 'all' }"
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type="button"
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@click="setFilter('all')"
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>
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全部
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</button>
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<button
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class="filter-btn"
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:class="{ active: filter === 'free' }"
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type="button"
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@click="setFilter('free')"
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>
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免费
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</button>
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</div>
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<div class="search-row">
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<input
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v-model="searchQuery"
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class="search-input"
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type="text"
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placeholder="搜索商品/标签"
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/>
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</div>
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</div>
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</div>
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</div>
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<div v-if="loading" class="status">加载中...</div>
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<div v-else>
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<div class="grid">
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<div
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v-for="item in pagedProducts"
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:key="item.id"
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:class="['product-link', { 'is-disabled': isSoldOut(item) }]"
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@click="handleCardClick(item)"
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>
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<article class="product-card">
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<div class="cover-wrap">
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<img :src="item.coverUrl" :alt="item.name" />
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<div v-if="isSoldOut(item)" class="soldout-badge">已售空</div>
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</div>
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<div class="card-top">
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<h3 class="card-name">{{ item.name }}</h3>
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<div class="card-price">
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<span v-if="isFree(item)" class="product-price free-price">免费</span>
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<span
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v-else-if="item.discountPrice > 0 && item.discountPrice < item.price"
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class="product-price"
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>
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<span class="price-original">¥ {{ item.price.toFixed(2) }}</span>
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<span class="price-discount">¥ {{ item.discountPrice.toFixed(2) }}</span>
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</span>
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<span v-else class="product-price">¥ {{ item.price.toFixed(2) }}</span>
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</div>
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</div>
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<div class="card-mid">
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<div class="markdown" v-html="renderMarkdown(item.description)"></div>
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</div>
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<div class="card-bottom">
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<div class="meta-row">
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<div class="tag">库存：{{ item.quantity }}</div>
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<div class="tag">浏览量：{{ item.viewCount || 0 }}</div>
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</div>
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<div v-if="item.tags && item.tags.length" class="tag-row">
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<span v-for="tag in item.tags" :key="tag" class="tag-chip">
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{{ tag }}
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</span>
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</div>
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</div>
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</article>
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</div>
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</div>
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<div class="pagination" v-if="totalPages > 1">
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<button class="ghost" :disabled="page === 1" @click="page--">上一页</button>
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<span class="tag">第 {{ page }} / {{ totalPages }} 页</span>
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<button class="ghost" :disabled="page === totalPages" @click="page++">下一页</button>
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</div>
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</div>
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</section>
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</template>
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<script setup>
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import { computed, onMounted, onUnmounted, ref, watch } from 'vue'
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import { useRouter } from 'vue-router'
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import MarkdownIt from 'markdown-it'
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import { fetchProducts } from '../shared/api'
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const router = useRouter()
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const products = ref([])
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const loading = ref(true)
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const md = new MarkdownIt()
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const page = ref(1)
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const perPage = ref(20)
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const filter = ref('all')
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const searchQuery = ref('')
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const renderMarkdown = (content) => md.render(content || '')
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const updatePerPage = () => {
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perPage.value = window.innerWidth <= 900 ? 6 : 20
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page.value = 1
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}
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const getPayPrice = (item) => {
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if (!item) return 0
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// 折扣规则：
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// - 未填/无效折扣：discountPrice <= 0 或 >= price => 不启用折扣
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// - 只有当 discountPrice > 0 且小于原价，才用折扣价
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// - 只有 price = 0（实付价为 0）才显示“免费”
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if (item.price === 0) return 0
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if (item.discountPrice > 0 && item.discountPrice < item.price) return item.discountPrice
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return item.price
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}
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const isFree = (item) => getPayPrice(item) === 0
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const matchesSearch = (item) => {
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const q = (searchQuery.value || '').trim().toLowerCase()
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if (!q) return true
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const name = (item?.name || '').toLowerCase()
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const tags = (item?.tags || []).join(',').toLowerCase()
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return name.includes(q) || tags.includes(q)
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}
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const filteredProducts = computed(() => {
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let list = products.value
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if (filter.value === 'free') list = list.filter((p) => isFree(p))
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if ((searchQuery.value || '').trim()) list = list.filter((p) => matchesSearch(p))
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return list
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})
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const totalPages = computed(() =>
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Math.max(1, Math.ceil(filteredProducts.value.length / perPage.value))
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)
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const pagedProducts = computed(() => {
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const start = (page.value - 1) * perPage.value
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return filteredProducts.value.slice(start, start + perPage.value)
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})
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const isSoldOut = (item) => item && item.quantity === 0
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const handleCardClick = (item) => {
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if (!item || isSoldOut(item)) {
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return
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}
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router.push(`/product/${item.id}`)
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}
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const setFilter = (next) => {
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filter.value = next
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page.value = 1
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}
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onMounted(async () => {
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updatePerPage()
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window.addEventListener('resize', updatePerPage)
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try {
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products.value = await fetchProducts()
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} finally {
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loading.value = false
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}
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})
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watch(filter, () => {
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page.value = 1
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})
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watch(searchQuery, () => {
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page.value = 1
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})
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onUnmounted(() => {
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window.removeEventListener('resize', updatePerPage)
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})
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</script>
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<style scoped>
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.hero {
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display: flex;
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align-items: center;
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justify-content: space-between;
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margin-bottom: 20px;
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}
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.filters {
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display: flex;
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gap: 12px;
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margin-top: 0;
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flex-wrap: wrap;
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}
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.filter-search-row {
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display: flex;
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align-items: center;
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justify-content: flex-start;
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gap: 16px;
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flex-wrap: wrap;
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margin-top: 12px;
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}
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.search-row {
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margin-top: 0;
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}
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.search-input {
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width: 320px;
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max-width: 100%;
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border-radius: 999px;
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border: 1px solid var(--line);
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background: rgba(255, 255, 255, 0.7);
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padding: 10px 14px;
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font-family: 'Source Sans 3', sans-serif;
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font-size: 14px;
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outline: none;
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}
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.search-input:focus {
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border-color: var(--accent);
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box-shadow: 0 0 0 3px rgba(180, 154, 203, 0.18);
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}
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.tag-row {
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display: flex;
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flex-wrap: wrap;
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gap: 8px;
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margin-top: 8px;
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}
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.tag-chip {
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padding: 4px 10px;
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border-radius: 999px;
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font-size: 12px;
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font-weight: 700;
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color: var(--accent-2);
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background: rgba(145, 168, 208, 0.08);
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border: 1px solid rgba(145, 168, 208, 0.18);
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}
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.filter-btn {
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padding: 8px 14px;
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border-radius: 999px;
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border: 1px solid var(--line);
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background: rgba(255, 255, 255, 0.6);
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color: var(--text);
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font-size: 13px;
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font-weight: 700;
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transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease;
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}
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.filter-btn:hover {
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transform: translateY(-1px);
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}
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.filter-btn.active {
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background: linear-gradient(135deg, var(--accent), var(--accent-2));
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border-color: transparent;
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color: #fff;
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box-shadow: 0 10px 30px rgba(145, 168, 208, 0.35);
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}
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.free-price {
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color: #3a9a68;
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font-weight: 900;
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}
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.product-link {
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display: block;
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text-decoration: none;
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color: inherit;
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height: 100%;
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}
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.product-link.is-disabled {
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opacity: 0.6;
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cursor: not-allowed;
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}
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.product-card {
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display: flex;
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flex-direction: column;
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flex: 1;
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gap: 12px;
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height: 100%;
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}
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.card-top {
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display: flex;
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align-items: baseline;
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justify-content: space-between;
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gap: 12px;
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}
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.card-name {
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font-size: 16px;
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font-weight: 700;
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color: var(--text);
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line-height: 1.2;
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}
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.card-price {
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display: flex;
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align-items: center;
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justify-content: flex-end;
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}
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.card-mid {
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flex: 1;
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display: flex;
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align-items: center;
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justify-content: center;
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text-align: center;
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}
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.card-mid .markdown {
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text-align: center;
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}
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.card-bottom {
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display: flex;
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flex-direction: column;
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gap: 6px;
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align-items: flex-start;
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}
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.meta-row {
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display: flex;
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gap: 10px;
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align-items: center;
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flex-wrap: wrap;
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}
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.cover-wrap {
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position: relative;
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border-radius: 12px;
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overflow: hidden;
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}
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.cover-wrap img {
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width: 100%;
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height: 140px;
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object-fit: cover;
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display: block;
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}
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.soldout-badge {
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position: absolute;
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inset: 0;
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display: flex;
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align-items: center;
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justify-content: center;
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background: rgba(20, 18, 22, 0.52);
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backdrop-filter: blur(3px);
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color: #fff;
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font-family: 'Playfair Display', serif;
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font-size: 22px;
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font-weight: 600;
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letter-spacing: 4px;
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pointer-events: none;
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}
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.price-original {
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text-decoration: line-through;
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color: var(--muted);
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margin-right: 6px;
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font-size: 13px;
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}
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.price-discount {
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color: var(--accent-2);
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font-weight: 600;
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}
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.status {
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padding: 24px 0;
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color: var(--muted);
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}
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.pagination {
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display: flex;
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align-items: center;
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justify-content: center;
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gap: 12px;
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margin-top: 22px;
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}
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@media (max-width: 900px) {
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.filter-search-row {
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flex-direction: column;
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align-items: stretch;
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gap: 10px;
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}
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.search-input {
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width: 100%;
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}
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}
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</style>
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