新增:列表增加下拉刷新和加载更多功能
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@ -1,11 +1,15 @@
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import { createVuetify } from 'vuetify'
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import * as components from 'vuetify/components'
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import * as directives from 'vuetify/directives'
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import { VPullToRefresh } from 'vuetify/labs/components'
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import 'vuetify/styles'
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import '@mdi/font/css/materialdesignicons.css'
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export default createVuetify({
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components,
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components: {
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...components,
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VPullToRefresh,
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},
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directives,
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theme: {
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defaultTheme: 'light',
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@ -7,17 +7,77 @@
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<v-tab value="portfolio">Portfolio</v-tab>
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</v-tabs>
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</v-row>
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<div class="home-list">
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<MarketCard v-for="value in 30" :key="value"></MarketCard>
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<!-- 可滚动容器作为 v-pull-to-refresh 的父元素,组件据此判断 scrollTop 仅在顶部时才响应下拉 -->
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<div ref="scrollRef" class="home-list-scroll">
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<v-pull-to-refresh class="pull-to-refresh" @load="onRefresh">
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<div class="pull-to-refresh-inner">
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<div class="home-list">
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<MarketCard v-for="id in listLength" :key="id" :id="String(id)" />
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</div>
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<div class="load-more-footer">
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<div ref="sentinelRef" class="load-more-sentinel" aria-hidden="true" />
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<div v-if="loadingMore" class="load-more-indicator">
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<v-progress-circular indeterminate size="24" width="2" />
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<span>加载中...</span>
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</div>
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<div v-else-if="listLength >= maxItems" class="no-more-tip">没有更多了</div>
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</div>
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</div>
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</v-pull-to-refresh>
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</div>
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</v-container>
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</template>
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<script setup lang="ts">
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import { ref } from 'vue'
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import { ref, onMounted, onUnmounted, nextTick } from 'vue'
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import MarketCard from '../components/MarketCard.vue'
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const activeTab = ref('overview')
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const INITIAL_COUNT = 10
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const PAGE_SIZE = 10
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const maxItems = 50
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const listLength = ref(INITIAL_COUNT)
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const loadingMore = ref(false)
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const scrollRef = ref<HTMLElement | null>(null)
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const sentinelRef = ref<HTMLElement | null>(null)
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let observer: IntersectionObserver | null = null
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function onRefresh({ done }: { done: () => void }) {
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setTimeout(() => {
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listLength.value = INITIAL_COUNT
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done()
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}, 600)
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}
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function loadMore() {
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if (loadingMore.value || listLength.value >= maxItems) return
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loadingMore.value = true
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setTimeout(() => {
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listLength.value = Math.min(listLength.value + PAGE_SIZE, maxItems)
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loadingMore.value = false
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}, 400)
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}
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onMounted(() => {
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nextTick(() => {
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if (!sentinelRef.value || !scrollRef.value) return
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observer = new IntersectionObserver(
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(entries) => {
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if (!entries[0]?.isIntersecting) return
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loadMore()
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},
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{ root: scrollRef.value, rootMargin: '80px', threshold: 0 }
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)
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observer.observe(sentinelRef.value)
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})
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})
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onUnmounted(() => {
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if (observer && sentinelRef.value) observer.unobserve(sentinelRef.value)
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observer = null
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})
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</script>
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<style scoped>
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@ -36,11 +96,60 @@ const activeTab = ref('overview')
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margin: 0;
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}
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.pull-to-refresh {
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width: 100%;
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margin-top: 8px;
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min-height: 100%;
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}
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.pull-to-refresh-inner {
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min-height: 100%;
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}
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.home-list-scroll {
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width: 100%;
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overflow-y: auto;
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overflow-x: hidden;
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-webkit-overflow-scrolling: touch;
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max-height: calc(100vh - 64px - 48px - 32px);
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}
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.home-list {
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width: 100%;
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display: flex;
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flex-wrap: wrap;
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gap: 20px;
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padding-bottom: 8px;
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}
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.load-more-footer {
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min-height: 56px;
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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position: relative;
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}
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.load-more-sentinel {
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position: absolute;
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bottom: 0;
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left: 0;
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right: 0;
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height: 1px;
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pointer-events: none;
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opacity: 0;
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}
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.load-more-indicator,
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.no-more-tip {
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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: 8px;
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padding: 16px;
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color: #666;
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font-size: 14px;
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}
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/* When only one column fits */
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