# 话题分类页开发
<template>
<view>
<swiperTabHead :tabBars="tabBars" :tabIndex="tabIndex" @tabtap="tabtap"></swiperTabHead>
<view class="uni-tab-bar">
<swiper class="swiper-box" :style="{height:swiperHeight?swiperHeight + 'px':'100vh'}" :current="tabIndex" @change="tabChange">
<swiper-item v-for="(items,index) in newsList" :key="index">
<scroll-view scroll-y class="list" @scrolltolower="loadmore(index)">
<template v-if="items.list.length > 0">
<!-- 话题区域 -->
<view class="topic-view">
<block v-for="(item, index1) in items.list" :key="index1">
<topicList :item="item" :index="index1"></topicList>
</block>
</view>
<!-- 上啦加载 -->
<loadMore :loadtext="items.loadtext"></loadMore>
</template>
<template v-else>
<nothing></nothing>
</template>
</scroll-view>
</swiper-item>
</swiper>
</block>
</view>
</view>
</template>
<script>
// swiper头部组件
import swiperTabHead from '../../components/index/swiper-tab-head.vue'
// 无内容默认组件
import nothing from '../../components/common/no-thing.vue'
// 加载更多
import loadMore from '../../components/common/load-more.vue'
// 最近更新
import topicList from '../../components/news/topic-list.vue'
export default {
components: {
swiperTabHead,
nothing,
loadMore,
topicList
},
data() {
return {
swiperHeight: 0,
tabIndex: 0,
tabBars: [{
name: "关注",
id: "guanzhu"
},
{
name: "推荐",
id: "tuijian"
},
{
name: "体育",
id: "tiyu"
},
{
name: "热点",
id: "redian"
},
{
name: "财经",
id: "caijing"
},
{
name: "娱乐",
id: "yule"
},
],
// 内容列表
newsList: [{
loadtext: "上啦加载更多",
list: [{
titlepic: "../../static/demo/topicpic/12.jpeg",
title: "#话题名称#",
desc: "我是话题名称",
totalnum: 50,
todaynum: 10
},
{
titlepic: "../../static/demo/topicpic/12.jpeg",
title: "#话题名称#",
desc: "我是话题名称",
totalnum: 50,
todaynum: 10
}, {
titlepic: "../../static/demo/topicpic/12.jpeg",
title: "#话题名称#",
desc: "我是话题名称",
totalnum: 50,
todaynum: 10
}, {
titlepic: "../../static/demo/topicpic/12.jpeg",
title: "#话题名称#",
desc: "我是话题名称",
totalnum: 50,
todaynum: 10
}, {
titlepic: "../../static/demo/topicpic/12.jpeg",
title: "#话题名称#",
desc: "我是话题名称",
totalnum: 50,
todaynum: 10
}, {
titlepic: "../../static/demo/topicpic/12.jpeg",
title: "#话题名称#",
desc: "我是话题名称",
totalnum: 50,
todaynum: 10
}, {
titlepic: "../../static/demo/topicpic/12.jpeg",
title: "#话题名称#",
desc: "我是话题名称",
totalnum: 50,
todaynum: 10
}, {
titlepic: "../../static/demo/topicpic/12.jpeg",
title: "#话题名称#",
desc: "我是话题名称",
totalnum: 50,
todaynum: 10
}
]
},
{
loadtext: "上啦加载更多",
list: [{
titlepic: "../../static/demo/topicpic/12.jpeg",
title: "#话题名称#",
desc: "我是话题名称",
totalnum: 50,
todaynum: 10
}, {
titlepic: "../../static/demo/topicpic/12.jpeg",
title: "#话题名称#",
desc: "我是话题名称",
totalnum: 50,
todaynum: 10
}]
},
{
loadtext: "上啦加载更多",
list: [{
titlepic: "../../static/demo/topicpic/12.jpeg",
title: "#话题名称#",
desc: "我是话题名称",
totalnum: 50,
todaynum: 10
}]
},
{
loadtext: "上啦加载更多",
list: []
},
{
loadtext: "上啦加载更多",
list: []
},
{
loadtext: "上啦加载更多",
list: []
},
],
}
},
onShow() {
let swiperHeight = this.swiperHeight
uni.getSystemInfo({
success: (res) => {
let height = res.windowHeight - uni.upx2px(110)
this.swiperHeight = height
}
})
},
methods: {
// 上啦加载
loadmore(index) {
if (this.newsList[index].loadtext !== "上啦加载更多") {
return
}
// 修改状态
this.newsList[index].loadtext = "加载中。。。"
// 获取数据
setTimeout(() => {
// 获取完成
let obj = {
titlepic: "../../static/demo/topicpic/11.jpeg",
title: "#话题名称#",
desc: "我是话题名称",
totalnum: 50,
todaynum: 10
}
this.newsList[index].list.push(obj)
this.newsList[index].loadtext = "上啦加载更多"
}, 1000)
// this.newsList[index].loadtext = "没有更多数据了"
},
// tabbar点击事件
tabtap(index) {
this.tabIndex = index
},
// 滑动事件
tabChange(e) {
const {
current
} = e.detail
this.tabIndex = current
}
}
}
</script>
<style lang="less" scoped>
.topic-view {
padding: 0 20rpx;
}
</style>
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- 修复swiper高度获取失败问题
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