493 lines
13 KiB
Vue
493 lines
13 KiB
Vue
<template>
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<view class="page">
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<!-- 加载状态 -->
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<view v-if="loading" class="loading-state">
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<view class="loading-skeleton" v-for="i in 5" :key="i">
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<view class="skeleton-logo"></view>
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<view class="skeleton-content">
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<view class="skeleton-title"></view>
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<view class="skeleton-subtitle"></view>
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</view>
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</view>
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</view>
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<!-- 字母索引列表 -->
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<view v-else class="index-list">
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<scroll-view
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scroll-y
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class="content"
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:scroll-into-view="currentLetter ? 'letter-' + currentLetter : ''"
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@scroll="onScroll"
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:scroll-with-animation="true"
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>
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<block v-for="(group, letter) in groupedBreweries" :key="letter">
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<view :id="'letter-' + letter" class="letter-section" :data-letter="letter">
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<view class="letter-title">{{letter}}</view>
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<view
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class="brewery-item hover-effect"
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v-for="brewery in group"
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:key="brewery.id"
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@click="navigateToBrewery(brewery)"
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>
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<image
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:src="brewery.brandLogo || '/static/images/default-logo.png'"
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class="brewery-logo"
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mode="aspectFill"
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:lazy-load="true"
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/>
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<view class="brewery-info">
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<text class="brewery-name text-ellipsis">{{brewery.brandName}}</text>
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<text class="beer-count">{{brewery.beerCount || 0}}款在售</text>
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</view>
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<image
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src="/static/icons/arrow-right.png"
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class="arrow-icon"
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/>
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</view>
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</view>
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</block>
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<!-- 空状态 -->
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<view v-if="Object.keys(groupedBreweries).length === 0" class="empty-state">
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<image src="/static/images/empty.png" class="empty-image" />
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<text class="empty-text">暂无相关品牌</text>
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</view>
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</scroll-view>
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<!-- 右侧字母导航 -->
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<view class="letter-nav">
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<view class="indicator" :style="indicatorStyle"></view>
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<view
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v-for="letter in letters"
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:key="letter"
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class="letter-item"
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:class="{ active: currentLetter === letter }"
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@click="scrollToLetter(letter)"
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>
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{{letter}}
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</view>
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</view>
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</view>
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</view>
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</template>
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<script>
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import { getBreweries, getBeerList } from '@/api/bar.js'
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export default {
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name: 'HotLabel',
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data() {
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return {
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// 数据相关
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breweries: [],
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groupedBreweries: {},
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currentLetter: '',
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letters: 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'.split(''),
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// 加载状态
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loading: false,
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scrollTimer: null,
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indicatorTop: 0,
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observer: null,
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}
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},
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computed: {
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indicatorStyle() {
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return {
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transform: `translateY(${this.indicatorTop}px)`,
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}
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}
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},
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created() {
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// 移除 Pinyin.setOptions 调用
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},
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onShow() {
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this.initData()
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},
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mounted() {
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this.setupIntersectionObserver()
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},
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beforeDestroy() {
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if (this.observer) {
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this.observer.disconnect()
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}
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},
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methods: {
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// 初始化数据
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async initData() {
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try {
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uni.showLoading({
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title: '加载中...'
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})
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const res = await getBreweries()
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if (res && res.code === 200 && res.data) {
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// 直接使用后端返回的分组数据
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this.groupedBreweries = res.data.groupedBreweries || {}
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this.letters = res.data.letters || []
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// 更新品牌列表
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this.breweries = res.data.breweries || []
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} else {
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throw new Error(res?.msg || '获取品牌列表失败')
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}
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} catch (error) {
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console.error('初始化数据失败:', error)
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uni.showToast({
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title: error.message || '加载失败，请重试',
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icon: 'none'
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})
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} finally {
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uni.hideLoading()
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}
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},
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// 设置交叉观察器
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setupIntersectionObserver() {
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if (typeof uni.createIntersectionObserver !== 'function') return
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this.observer = uni.createIntersectionObserver(this)
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this.observer
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.relativeTo('.content')
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.observe('.letter-section', (res) => {
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if (res.intersectionRatio > 0) {
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const letter = res.dataset.letter
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this.updateCurrentLetter(letter, false)
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}
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})
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},
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// 滚动事件处理
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onScroll(e) {
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if (this.scrollTimer) {
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clearTimeout(this.scrollTimer)
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}
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this.scrollTimer = setTimeout(() => {
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const query = uni.createSelectorQuery().in(this)
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query.selectAll('.letter-section').boundingClientRect()
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query.select('.content').boundingClientRect()
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query.exec(([sections, content]) => {
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if (!sections || !content) return
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const contentTop = content.top
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let currentSection = null
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let minDistance = Infinity
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// 找到距离顶部最近的section
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sections.forEach(section => {
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const distance = Math.abs(section.top - contentTop)
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if (distance < minDistance) {
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minDistance = distance
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currentSection = section
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}
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})
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if (currentSection) {
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const letter = currentSection.dataset.letter
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this.updateCurrentLetter(letter, false)
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}
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})
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}, 50) // 降低延迟以提高响应速度
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},
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// 更新当前字母
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updateCurrentLetter(letter, shouldScroll = true) {
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if (this.currentLetter === letter) return
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this.currentLetter = letter
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// 更新指示器位置
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const query = uni.createSelectorQuery().in(this)
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query.selectAll('.letter-item').boundingClientRect()
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query.select('.letter-nav').boundingClientRect()
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query.exec(([items, nav]) => {
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if (!items || !nav) return
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const index = this.letters.indexOf(letter)
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if (index > -1) {
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const item = items[index]
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// 调整指示器位置，确保准确对齐
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this.indicatorTop = item.top - nav.top + (item.height - 48) / 2 // 48是指示器的高度
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}
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})
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// 是否需要滚动到对应位置
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if (shouldScroll) {
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uni.pageScrollTo({
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selector: `#letter-${letter}`,
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duration: 300
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})
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}
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},
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// 滚动到指定字母
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scrollToLetter(letter) {
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this.updateCurrentLetter(letter)
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// 已有的滚动逻辑保持不变
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},
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// 导航到品牌详情
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navigateToBrewery(brewery) {
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uni.navigateTo({
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url: `/pages/activityList/styleSelection?breweryId=${brewery.id}`
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})
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},
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}
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}
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</script>
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<style lang="scss" scoped>
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.page {
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min-height: 100vh;
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background: #F8F9FC;
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// 加载状态
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.loading-state {
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padding: 24rpx;
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.loading-skeleton {
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display: flex;
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align-items: center;
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padding: 32rpx;
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margin-bottom: 24rpx;
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background: #FFFFFF;
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border-radius: 16rpx;
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box-shadow: 0 4rpx 16rpx rgba(0,0,0,0.04);
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.skeleton-logo {
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width: 88rpx;
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height: 88rpx;
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background: linear-gradient(90deg, #F5F5F5, #FAFAFA, #F5F5F5);
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border-radius: 16rpx;
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margin-right: 32rpx;
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animation: skeleton-loading 1.5s infinite;
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}
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.skeleton-content {
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flex: 1;
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.skeleton-title {
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width: 60%;
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height: 36rpx;
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background: linear-gradient(90deg, #F5F5F5, #FAFAFA, #F5F5F5);
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border-radius: 8rpx;
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margin-bottom: 16rpx;
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animation: skeleton-loading 1.5s infinite;
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}
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.skeleton-subtitle {
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width: 40%;
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height: 28rpx;
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background: linear-gradient(90deg, #F5F5F5, #FAFAFA, #F5F5F5);
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border-radius: 6rpx;
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animation: skeleton-loading 1.5s infinite;
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}
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}
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}
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}
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// 字母索引列表
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.index-list {
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display: flex;
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height: 100vh;
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background: #FFFFFF;
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.content {
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flex: 1;
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height: 100%;
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.letter-section {
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.letter-title {
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padding: 20rpx 32rpx;
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font-size: 28rpx;
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color: #666666;
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background: #F8F9FC;
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font-weight: 600;
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}
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.brewery-item {
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display: flex;
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align-items: center;
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padding: 32rpx;
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margin: 0 32rpx;
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border-bottom: 2rpx solid #F5F7FA;
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transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
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position: relative;
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&:active {
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background: #F8F9FC;
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transform: scale(0.99);
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}
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&::after {
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content: '';
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position: absolute;
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left: 32rpx;
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right: 32rpx;
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bottom: 0;
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height: 2rpx;
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background: #F5F7FA;
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}
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&:last-child::after {
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display: none;
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}
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.brewery-logo {
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width: 88rpx;
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height: 88rpx;
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border-radius: 16rpx;
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margin-right: 32rpx;
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background: #F8F9FC;
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box-shadow: 0 4rpx 12rpx rgba(0,0,0,0.06);
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transition: transform 0.3s ease;
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&:active {
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transform: scale(0.95);
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}
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}
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.brewery-info {
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flex: 1;
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.brewery-name {
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font-size: 30rpx;
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color: #333333;
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margin-bottom: 12rpx;
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font-weight: 600;
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}
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.beer-count {
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font-size: 26rpx;
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color: #666666;
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display: flex;
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align-items: center;
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&::before {
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content: '';
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display: inline-block;
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width: 12rpx;
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height: 12rpx;
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border-radius: 50%;
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background: #19C375;
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margin-right: 8rpx;
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}
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}
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}
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.arrow-icon {
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width: 36rpx;
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height: 36rpx;
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opacity: 0.4;
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margin-left: 24rpx;
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transition: transform 0.3s ease;
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}
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&:active .arrow-icon {
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transform: translateX(4rpx);
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}
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}
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}
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.empty-state {
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display: flex;
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flex-direction: column;
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align-items: center;
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padding: 120rpx 0;
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.empty-image {
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width: 280rpx;
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height: 280rpx;
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margin-bottom: 40rpx;
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opacity: 0.8;
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}
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.empty-text {
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font-size: 30rpx;
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color: #666666;
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letter-spacing: 2rpx;
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}
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}
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}
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// 右侧字母导航
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.letter-nav {
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display: flex;
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flex-direction: column;
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justify-content: center;
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padding: 24rpx 16rpx;
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background: #FFFFFF;
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box-shadow: -4rpx 0 16rpx rgba(0,0,0,0.03);
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position: relative;
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.indicator {
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position: absolute;
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left: 50%;
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width: 48rpx;
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height: 48rpx;
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border-radius: 50%;
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background: rgba(25, 54, 122, 0.1);
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transform: translateX(-50%);
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transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
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pointer-events: none;
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z-index: 1;
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}
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.letter-item {
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width: 40rpx;
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height: 40rpx;
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display: flex;
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align-items: center;
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justify-content: center;
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font-size: 24rpx;
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color: #666666;
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margin: 4rpx 0;
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border-radius: 50%;
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transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
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font-weight: 500;
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position: relative;
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z-index: 2;
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&.active {
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color: #FFFFFF;
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background: #19367A;
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font-weight: 600;
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transform: scale(1.1);
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box-shadow: 0 4rpx 8rpx rgba(25, 54, 122, 0.2);
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}
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&:active {
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transform: scale(0.9);
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}
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}
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}
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}
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}
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@keyframes skeleton-loading {
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0% {
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background-position: -200% 0;
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}
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100% {
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background-position: 200% 0;
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}
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}
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// 添加按键反馈效果
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.hover-effect {
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transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
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&:active {
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transform: scale(0.98);
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opacity: 0.9;
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}
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}
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// 文本省略
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.text-ellipsis {
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overflow: hidden;
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text-overflow: ellipsis;
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white-space: nowrap;
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}
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</style> |