295 lines
10 KiB
Plaintext
295 lines
10 KiB
Plaintext
<template>
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<view class="pages">
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<view class="placeholder-bar">
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<statusBar></statusBar>
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<view :style="{ height: `${navBarHeight}px` }"></view>
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</view>
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<view class="nav-box">
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<!-- #ifndef H5 -->
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<statusBar></statusBar>
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<!-- #endif -->
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<view class="nav" :style="{ height: `${navBarHeight}px` }">
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<!-- #ifdef MP -->
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<view class="mp-button-left-placeholder" :style="{ width: `${mpButtonLeftPlaceholderSize}px` }"></view>
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<!-- #endif -->
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<!-- 搜索功能 -->
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<view class="uni-search-box">
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<uni-search-bar ref="searchBar" radius="100" cancelButton="none" disabled
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:placeholder="inputPlaceholder" />
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<view class="cover-search-bar" @click="searchClick"></view>
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</view>
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<!-- #ifdef MP -->
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<view class="mp-button-placeholder" :style="{ width: `${mpButtonPlaceholderSize}px` }"></view>
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<!-- #endif -->
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</view>
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</view>
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<unicloud-db ref='udb' v-slot:default="{ pagination, hasMore, loading, error, options }" @error="onqueryerror"
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:collection="colList" :page-size="10" orderby="publish_date desc" @load="listLoad">
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<!-- 基于 uni-list 的页面布局 field="user_id.nickname"-->
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<!-- #ifdef APP-NVUE -->
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<list class="uni-list" :border="false" :style="{ height: listHeight }">
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<!-- #endif -->
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<!-- #ifndef APP-NVUE -->
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<scroll-view scroll-y class="uni-list" refresher-enabled :refresher-triggered="loadType=== 'refresh'"
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:style="{ height: listHeight }" @refresherrefresh="refresh" @scrolltolower="loadMore">
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<!-- #endif -->
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<!-- #ifdef APP-NVUE -->
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<refresh-box :loading="loading" @refresh="refresh"></refresh-box>
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<!-- #endif -->
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<!-- 列表渲染 -->
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<template v-for="item in listData">
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<not-cover v-if="item.thumbnail && item.thumbnail.length === 0" :data="item"></not-cover>
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<right-small-cover v-else-if="item.thumbnail && item.thumbnail.length === 1"
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:data="item"></right-small-cover>
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<three-cover v-else-if="item.thumbnail && item.thumbnail.length === 3"
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:data="item"></three-cover>
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</template>
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<!-- 加载状态：上拉加载更多，加载中，没有更多数据了，加载错误 -->
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<!-- #ifdef APP-PLUS -->
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<uni-list-item>
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<template v-slot:body>
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<!-- #endif -->
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<uni-load-state @networkResume="refresh"
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:state="{ data: listData, pagination, hasMore, loading, error }" @loadMore="loadMore">
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</uni-load-state>
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<!-- #ifdef APP-PLUS -->
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</template>
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</uni-list-item>
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<!-- #endif -->
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<!-- #ifndef APP-NVUE -->
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</scroll-view>
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<!-- #endif -->
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<!-- #ifdef APP-NVUE -->
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</list>
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<!-- #endif -->
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</unicloud-db>
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</view>
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</template>
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<script>
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import statusBar from "@/uni_modules/uni-nav-bar/components/uni-nav-bar/uni-status-bar";
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import translatePublishTime from "@/uni_modules/uni-cms-article/common/publish-time";
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import refreshBox from "@/uni_modules/uni-cms-article/components/refresh-box/refreshBox.nvue";
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import notCover from "@/uni_modules/uni-cms-article/components/list-template/not-cover.vue";
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import rightSmallCover from "@/uni_modules/uni-cms-article/components/list-template/right-small-cover.vue";
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import threeCover from "@/uni_modules/uni-cms-article/components/list-template/three-cover.vue";
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import {
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parseImageUrl
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} from "@/uni_modules/uni-cms-article/common/parse-image-url";
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const db = uniCloud.database();
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const articleDBName = 'uni-cms-articles'
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const userDBName = 'uni-id-users'
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export default {
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components: {
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statusBar,
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refreshBox,
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notCover,
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rightSmallCover,
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threeCover
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},
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computed: {
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// 根据当前语言返回不同的搜索框占位符
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inputPlaceholder(e) {
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if (uni.getStorageSync('CURRENT_LANG') == "en") {
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return 'Please enter the search content' // 英文
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} else {
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return '请输入搜索内容' // 中文
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}
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},
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// 连表查询，返回两个集合的查询结果
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colList() {
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return [
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db.collection(articleDBName).where(this.where).field('thumbnail,title,publish_date,user_id')
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.getTemp(), // 文章集合
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db.collection(userDBName).field('_id,nickname').getTemp() // 用户集合
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]
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}
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},
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data() {
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return {
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where: '"article_status" == 1', // 查询条件
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showRefresh: false, // 是否显示刷新按钮
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listHeight: 0, // 列表高度
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mpButtonLeftPlaceholderSize: 0, // 小程序左侧icon占位大小
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mpButtonPlaceholderSize: 87, // 小程序导航栏按钮占位大小
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navBarHeight: 44, // 导航栏高度
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refreshStatus: 0, // 刷新状态 0: 未刷新 1: 刷新中 2: 刷新完成
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listData: [], // 列表数据
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loadType: null
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}
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},
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async onReady() {
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// #ifdef MP
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this.initNavBarSize() // 初始化导航栏大小
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// #endif
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/* 可用窗口高度 - 搜索框高 - 状态栏高 */
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this.listHeight = uni.getSystemInfoSync().windowHeight - uni.getSystemInfoSync().statusBarHeight - this
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.navBarHeight + 'px'; // 计算列表高度
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},
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methods: {
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async listLoad(data) {
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const listData = data.map(item => {
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if (typeof item.thumbnail === 'string') {
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item.thumbnail = [item.thumbnail]
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}
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return item
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})
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// 处理腾讯云文件链接
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for (const article of listData) {
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const parseImages = await parseImageUrl(article.thumbnail)
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article.thumbnail = parseImages ? parseImages.map(image => image.src) : []
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}
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this.listData = this.loadType === 'loadMore' ? this.listData.concat(listData) : listData
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this.loadType = null
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},
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// 初始化导航栏大小
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initNavBarSize() {
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// 获取小程序导航栏按钮信息
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// #ifdef MP-TOUTIAO
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let menuButtonInfo = tt.getCustomButtonBoundingClientRect()
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menuButtonInfo.width = menuButtonInfo.capsule.width // 小程序按钮区域中使用的按钮宽度
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this.mpButtonLeftPlaceholderSize = menuButtonInfo.leftIcon.width + 10
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// #endif
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// #ifndef MP-TOUTIAO
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let menuButtonInfo = uni.getMenuButtonBoundingClientRect()
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// #endif
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// 计算小程序导航栏按钮占位大小
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this.mpButtonPlaceholderSize = menuButtonInfo.width + 10
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// 获取系统信息，判断是否为 iOS 系统，设置导航栏高度
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this.navBarHeight = uni.getSystemInfoSync().system.toLowerCase().includes('ios') ? 44 : 48
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},
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// 格式化时间戳
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publishTime(timestamp) {
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return translatePublishTime(timestamp)
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},
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// 点击搜索框
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searchClick(e) {
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uni.hideKeyboard();
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uni.navigateTo({
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url: '../search/search'
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});
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},
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// 重试
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retry() {
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this.refresh()
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},
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// 刷新
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refresh() {
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this.loadType = 'refresh'
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this.$refs.udb.loadData({
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clear: true
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}, () => {
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uni.stopPullDownRefresh()
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// #ifdef APP-NVUE
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this.showRefresh = false
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// #endif
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})
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},
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// 加载更多
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loadMore() {
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this.loadType = 'loadMore'
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this.$refs.udb.loadMore()
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},
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// 查询出错
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onqueryerror(e) {
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console.error(e);
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}
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},
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// #ifdef H5
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// 下拉刷新
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onPullDownRefresh() {
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this.refresh()
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},
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// #endif
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}
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</script>
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<style scoped>
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/* #ifndef APP-NVUE */
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.pages view {
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display: flex;
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box-sizing: border-box;
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flex-direction: column;
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}
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/* #endif */
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.pages {
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background-color: #FFFFFF;
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}
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.refresh {
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text-align: center;
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}
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.nav-box {
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background-color: #FFFFFF;
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position: fixed;
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top: 0;
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left: 0;
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right: 0;
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/* #ifndef APP-PLUS */
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z-index: 9;
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/* #endif */
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}
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.pages .nav {
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display: flex;
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align-items: center;
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flex-direction: row;
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}
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.uni-search-box {
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flex: 1;
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padding: 0 10px;
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}
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.uni-search-box ::v-deep .uni-searchbar {
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padding: 0;
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}
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.uni-search-box ::v-deep .uni-searchbar__box {
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height: 32px;
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flex-direction: row;
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}
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.cover-search-bar {
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position: absolute;
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left: 0;
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right: 0;
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bottom: 0;
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top: 0;
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/* #ifndef APP-NVUE */
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z-index: 999;
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/* #endif */
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}
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.pages .uni-list ::v-deep .uni-list-item__container {
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flex-direction: row;
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width: 100%;
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}
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.pages .uni-list ::v-deep .uni-list-item {
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align-items: flex-start;
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}
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.pages .uni-list ::v-deep .uni-load-more {
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display: flex;
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}
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.pages .uni-list ::v-deep .uni-list--border:after {
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background-color: #f5f5f5;
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}
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</style> |