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使用vux实现上拉刷新功能遇到的坑

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[前端(javascript) 所属分类 前端(javascript) | 发布者 店小二05 | 时间 | 作者 红领巾 ] 0人收藏点击收藏

最近公司在研发app,选择了基于Vue框架的vux组件库,现总结在实现上拉刷新功能遇到的坑:

1.问题:只刷新一次,解决方法:需要自己手动重置状态

this.scrollerStatus.pullupStatus = ‘default',

2.问题:不能滚动,解决方法:因为启用keep-alive缓存,需要设置

activated () {
this.$refs.scroller.reset()
}

如果还没效果,请在获取后台数据后,执行如下代码

this.$nxtTick(() => {
this.$refs.scroller.reset()
})

贴出整个页面的代码。

<template>
<div style="height:100%;">
<x-header slot="header" :left-options="{showBack: false}" >会议列表
<a slot="right" v-on:click="show = true" > <icon type="search"></icon> </button> </a>
</x-header>
<!-- 会议列表 -->
<scroller v-model="scrollerStatus" height="-46" lock-x scrollbar-y ref="scroller" :bounce="isbounce" :use-pullup="showUp" :pullup-config="upobj" @on-pullup-loading="selPullUp" >
<div class="box2">
<p v-for="list, index in lists">
<router-link :to="{ path: list.id } ">
<p style="height:40px;"> <span class="spanMeetTitle" v-html='(index+1) + " . " + list.name' ></span><span class="spanMeetStatu" v-html='list.status'></span>
</p>
<p class="prevSuper">
<form-preview header-label="" header-value="" :bodyItems="list" :footer-buttons="buttons1"></form-preview>
</p>
</router-link>
<hr>
</p>
</div>
</scroller>
<!-- 导航 -->
<Home></Home>
<!-- 搜索 -->
<popup v-model="show" @on-hide="log('hide')" @on-show="log('show')" height="93%">
<div class="popup0">
<group>
<x-input v-model='meetName' placeholder="请输入“会议名称”搜索"></x-input>
<div style="float:left;margin-top: -36px;"><icon type="search"></icon></div>
</group>
<!--
<group>
<checklist :max=1 title="会议审批状态" required :options="commonList" v-model="checkStatus" @on-change="change"></checklist>
</group> -->
<group title="会议审批状态">
<radio :options="commonList" v-model="checkStatus" @on-change="change"></radio>
</group>
<group title="会议类型">
<selector placeholder="请选择会议类型" v-model="checkType" :options="meetType"></selector>
</group>
<group title="召开时间">
<flexbox>
<flexbox-item>
<div class="flex-demo" style="background-color:white;color:black;height:45px">
<datetime title='' placeholder="请选择" v-model="startTime" format="YYYY-MM-DD HH:mm" @on-change="change" ></datetime>
</div>
</flexbox-item>

<flexbox-item>
<div class="flex-demo" style="background-color:white;color:black;height:45px">
<datetime title='' placeholder="请选择" v-model="stopTime" format="YYYY-MM-DD HH:mm" @on-change="change" ></datetime>
</div>
</flexbox-item>
</flexbox>
</group>
<br>
<flexbox orient="vertical">
<flexbox-item><div class="flex-demo" v-on:click="toSearch" >确定</div></flexbox-item>
<flexbox-item><div class="flex-demo" v-on:click="show = false" style="background-color:white;color:black">取消</div></flexbox-item>
</flexbox>
</div>
</popup>
<toast v-model="showToast">已加载全部数据</toast>
<loading v-model="isShowLoading" :text="textLoading"></loading>
<alert v-model="isShowAlert" :title="AlertCongratulations" > {{ alertMessage }}</alert>
</div>
</template>
<style type="text/css">
.weui-form-preview__value{
font-size: 1.1em !important;
color: black;
}
.spanMeetTitle{
float: left;
border-radius: 13px;
padding:10px 6px;
font-size: 15px;
font-weight: bold;
margin-left: 3px;
color: black;
}
.spanMeetStatu{
float: right;
background-color: green;
border-radius: 10px;
padding:6px 5px;
color: white;
font-size: 13px;
margin-top: 5px;
}
.flex-demo{
height: 30px;padding-top: 5px;
}
.selected{
color: blue !important;
background-color: transparent;
}
.popup0 {
padding-bottom:15px;
height:200px;
}
.popup1 {
width:100%;
height:100%;
}
.popup2 {
padding-bottom:15px;
height:400px;
}
.box1 {
height: 100px;
position: relative;
width: 1490px;
}
.box1-item {
width: 200px;
height: 100px;
background-color: #ccc;
display:inline-block;
margin-left: 15px;
float: left;
text-align: center;
line-height: 100px;
}
.box1-item:first-child {
margin-left: 0;
}
.box2-wrap {
height: 300px;
overflow: hidden;
}
</style>
<script>
import { XHeader, Group, FormPreview, Tabbar, TabbarItem, Scroller, Icon, Popup, XSwitch, Toast, XInput, Checklist, Datetime, Flexbox, FlexboxItem, Selector, Loading, Alert, Radio } from 'vux'
import Home from './Home'
export default {
components: {
XHeader,
Home,
Group,
FormPreview,
Tabbar,
TabbarItem,
Scroller,
Icon,
Popup,
XSwitch,
Toast,
XInput,
Checklist,
Datetime,
Flexbox,
FlexboxItem,
Selector,
Loading,
Alert,
Radio
},
data () {
return {
type: '1',
PageIndex: 0,
show: false,
showToast: false,
showloading: false,
showUp: true,
isbounce: false,
isShowAlert: false,
AlertCongratulations: '条件有误',
textloading: '加载中',
alertMessage: '‘召开时间' 不能大于 ‘结束时间'',
value: '',
meetName: '',
startTime: '',
stopTime: '',
meetType: [],
commonList: [{key: '20', value: '审批中'}, {key: '50', value: '审批通过'}, {key: '', value: '全部'}],
checkStatus: '',
checkType: '',
commonList2: [],
results: [],
lists: [[]],
buttons1: [{
style: 'primary',
text: '查看更多',
link: '/Message'
}],
upobj: {
content: '请上拉刷新数据',
pullUpHeight: 60,
height: 40,
autoRefresh: false,
downContent: '请上拉刷新数据',
upContent: '请上拉刷新数据',
loadingContent: '加载中...',
clsPrefix: 'xs-plugin-pullup-'
},
isShowLoading: false,
textLoading: '加载中',
scrollerStatus: {
pullupStatus: 'default'
}
}
},
mounted () {
console.log(this.scrollerStatus.pullupStatus)
this.getMeetList(true)
this.getMeetType()
this.$nextTick(() => {
this.$refs.scroller.reset()
})
},
methods: {
log (str) {
console.log(str)
},
getMeetList (isEmpty) {
var APPROVE_STATUS = this.checkStatus
var MEETING_TYPE = this.checkType
this.isShowLoading = true
this.$http.post(global.httpsUrl + '/Meet/GetMeetList', {'HumanId': global.userid, 'KEY': this.meetName, 'APPROVE_STATUS': APPROVE_STATUS, 'MEETING_TYPE': MEETING_TYPE, 'START_DATE': this.startTime, 'STOP_DATE': this.stopTime, 'PageIndex': this.PageIndex, 'PageSize': '2'}).then(response => {
// sucess callback
console.log('111')
var data = response.body.Data
if (isEmpty) {
this.lists = []
this.show = false
} else {
if (data && data.length === 0) {
this.showToast = true
this.isShowLoading = false
this.scrollerStatus.pullupStatus = 'disabled' // 禁用下拉
return
}
}
for (var i = 0; i < data.length; i++) {
if (data[i].APPROVE_STATUS < 20) {
break
}
var personName = data[i].PERSION1_NAME
if (personName && personName.length > 0) {
personName = personName.substring(0, personName.indexOf('>'))
}
var meetlist = []
var obj = {
label: '地点',
value: data[i].ADDRESS
}
meetlist.push(obj)
obj = {
label: '主持人',
value: personName
}
meetlist.push(obj)
obj = {
label: '召开时间',
value: global.formatDate.methods.toSet(data[i].ACT_START_TIME, 'yyyy-MM-dd HH:mm')
}
meetlist.push(obj)
obj = {
label: '会议类型',
value: data[i].MEETING_TYPE_NAME
}
meetlist.push(obj)
meetlist.id = 'FromMeet/' + data[i].MEETING_MINUTES_GUID + '/123'
meetlist.name = data[i].MEETING_NAME
var vstatus = '审批中'
if (data[i].APPROVE_STATUS === 50) {
vstatus = '审批通过'
}
meetlist.status = vstatus
this.lists.push(meetlist)
}
this.isShowLoading = false
if (!isEmpty) {
this.scrollerStatus.pullupStatus = 'default'
// this.$refs.scroller.reset()
console.log(this.scrollerStatus.pullupStatus)
this.$nextTick(() => {
this.$refs.scroller.reset()
})
}
}, response => {
// error callback
this.show = false
})
},
showSearch () {
this.show = true
},
change (val) {
console.log('change', val)
console.log(this.startTime)
},
change2 (val) {
console.log('change', val)
},
resultClick () {
},
getResult () {
},
toSearch () {
console.log(2222)
if (this.startTime && this.stopTime && this.startTime > this.stopTime) {
this.isShowAlert = true
} else {
this.PageIndex = 0
this.getMeetList(true)
}
},
selPullUp () {
console.log('上拉刷新数据')
this.PageIndex++
this.getMeetList(false)
},
getMeetType () {
this.$http.post(global.httpsUrl + '/Meet/GetMeetType').then(response => {
// sucess callback
var data = response.body.Data
for (var i = data.length - 1; i >= 0; i--) {
var obj = {
key: data[i].TYPE_GUID,
value: data[i].TYPE_NAME
}
this.meetType.push(obj)
}
}, response => {
// error callback
})
}
},
activated () {
this.$refs.scroller.reset()
}
}
</script>
<style lang="less">
@import '~vux/src/styles/1px.less';
.flex-demo {
text-align: center;
color: #fff;
background-color: #20b907;
border-radius: 4px;
background-clip: padding-box;
}
</style>

总结

以上所述是小编给大家介绍的使用vux实现上拉刷新功能遇到的坑,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对脚本之家网站的支持!


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