You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
114 lines
2.2 KiB
114 lines
2.2 KiB
<template>
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<div class="wrapper">
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<list class="list">
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<cell v-for="(item, index) in lists" :key="index" :ref="'item' + index" class="cell">
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<text class="name">{{item.name}}:</text>
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<text class="content">{{item.content}}</text>
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</cell>
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</list>
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</div>
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</template>
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<script>
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export default {
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data() {
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return {
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lists: [],
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interval: null,
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yourTexts: [
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{
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name: '学员A',
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content: '老师讲的真好',
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}, {
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name: '学员B',
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content: 'uni-app值得学习',
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}, {
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name: '学员C',
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content: '老师，还有实战例子吗？',
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}, {
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name: '学员D',
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content: '老师，请问是不是要先学会vue才能学uni-app？',
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}, {
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name: '学员E',
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content: '受教了，uni-app太牛了',
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}
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],
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}
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},
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created() {
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const vm = this;
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uni.$on('play-video', (data) => {
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if(data.status === 'open'){
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this.addItem();
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}else{
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this.closeItem();
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}
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})
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},
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beforeDestroy(){
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uni.$off('play-video')
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this.closeItem()
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},
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methods: {
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addItem() {
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const vm = this;
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vm.lists = [{
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name: '学员E',
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content: '受教了，uni-app太牛了',
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}];
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const dom = weex.requireModule('dom')
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vm.interval = setInterval(() => {
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if(vm.lists.length > 15) {
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vm.lists.unshift();
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}
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vm.lists.push({
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name: vm.yourTexts[vm.lists.length%4].name,
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content: vm.yourTexts[vm.lists.length%4].content
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});
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if(vm.lists.length > 5) {
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vm.$nextTick(() => {
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if(vm.$refs['item' + (vm.lists.length - 1)]){
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dom.scrollToElement(vm.$refs['item' + (vm.lists.length - 1)][0]);
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}
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});
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}
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}, 3500);
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},
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closeItem() {
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if(this.interval) clearInterval(this.interval);
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}
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}
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}
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</script>
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<style>
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.wrapper {
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position: relative;
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flex: 1;
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background-color: transparent;
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}
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.list {
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position: absolute;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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background-color: rgba(0, 0, 0, 0.7);
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}
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.cell {
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padding: 10rpx 0;
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flex-direction: row;
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flex-wrap: nowrap;
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}
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.name {
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flex: 0;
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font-size: 20rpx;
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margin-right: 20rpx;
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color: #FF5A5F;
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}
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.content {
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flex: 1;
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font-size: 20rpx;
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color: #F4F5F6;
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}
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</style>
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