提交 6a2f77d5 编写于 作者: DCloud_JSON's avatar DCloud_JSON

完善 短视频模板

上级 f420f999
......@@ -657,7 +657,8 @@
{
"path": "pages/template/scroll-fold-nav/scroll-fold-nav",
"style": {
"navigationStyle": "custom"
"navigationStyle": "custom",
"navigationBarTextStyle":"black"
}
},
{
......
<template>
<view class="page">
<view style="padding: 20px;">
<text>仿抖音,复用组件,无限滚动、加载、浏览视频的示例模板</text>
<text>已知问题:</text>
<text>1.swiper 组件竖滑动有 bug,先横向滑动</text>
<text>2.uvue暂未支持video</text>
</view>
<template>
<view class="page">
<view style="padding: 10px;">
<text>复用组件,无限滚动、加载、浏览视频的短视频模板</text>
<text>【已知问题】swiper 组件竖滑动有 bug,先横向滑动</text>
<swiper class="swiper" :current="current" :circular="index != 0" :vertical="false" @change="onSwiperChange" @transition="onTransition">
<swiper-item class="swiper-item" v-for="(item,index) in visibleList" :key="index">
<!-- <video ref="video" class="video" :id="item.id" :ref="item.id" :src="item.src" :controls="false" :loop="true"
:show-center-play-btn="false"></video> -->
第:{{index}}个容器
数据内容:{{item.content}}
</swiper-item>
<view style="flex-direction: row;font-size: 10px;">
<view>【状态】</view>
<text v-for="(value,index) in state">
第{{index+1}}个:{{value?'播放中':'已暂停'}}
</text>
</view>
</view>
<swiper class="swiper" :current="current" :circular="index != 0" :vertical="false" @change="onSwiperChange"
@transition="onTransition">
<swiper-item class="swiper-item" v-for="(item,i) in visibleList" :key="i">
<video :ref="'video-'+i" class="video" :id="item._id" :src="item.src" :poster="item.src+'?x-oss-process=video/snapshot,t_1000,f_jpg'"
:show-center-play-btn="false" :autoplay="false" :controls="false" :loop="true"
@play="onPlay(i)" @pause="onPause(i)"
></video>
<view class="video-top-view" @click="changeState(i)">
<image v-if="!state[i]" class="play-btn" src="/static/template/swiper-vertical-video/play.png" mode="widthFix"></image>
</view>
<view>
<text>第:{{i}}个容器,内容:{{item.content}}</text>
</view>
</swiper-item>
</swiper>
</view>
</template>
</view>
</template>
<script>
type ListItem = { _id : string, content : string }
import { VideoNode } from "uts.sdk.modules.DCloudUniVideo";
type ListItem = { _id : string, content : string, src : string }
let page : number = 0;
export default {
data() {
return {
list: [] as ListItem[],
visibleList: [] as ListItem[],// 提高性能 可见的只有3个
current: 0 as number,
index: 0
components:{},
computed:{
currentVideo():VideoNode{
console.log('"video-"+this.current',"video-"+this.current);
return this.$refs["video-"+this.current] as VideoNode
}
},
beforeCreate() {
this.list = this.getData()
this.visibleList = this.list.slice(0, 3)
},
watch: {
current(current : number, oldCurrent : number) {
let changeNumber = current - oldCurrent
if (changeNumber == 1 || changeNumber == -2) {
// console.error('向右');
this.index++
} else {
// console.error('向左');
this.index--
}
// //翻页(3项为一页)
if (Math.abs(changeNumber) == 2) {
// console.log('翻页');
page = Math.floor(this.index / 3);
// console.log(this.index);
// console.log('page',page);
// console.log('slice',3*page,3*page+3);
if (this.list.length < 3 * page + 3) {
let list : ListItem[] = this.getData()
this.list.push(...list.toTypedArray())
},
data() {
return {
list: [] as ListItem[],
visibleList: [] as ListItem[],// 提高性能 可见的只有3个
current: 0 as number,
index: 0,
state:[false,false,false] as boolean[]
}
},
beforeCreate() {
this.list = this.getData()
this.visibleList = this.list.slice(0, 3)
},
watch: {
current(current : number, oldCurrent : number) {
let changeNumber = current - oldCurrent
if (changeNumber == 1 || changeNumber == -2) {
// console.error('向右');
this.index++
} else {
// console.error('向左');
this.index--
}
// //翻页(3项为一页)
if (Math.abs(changeNumber) == 2) {
// console.log('翻页');
page = Math.floor(this.index / 3);
// console.log(this.index);
// console.log('page',page);
// console.log('slice',3*page,3*page+3);
if (this.list.length < 3 * page + 3) {
let list : ListItem[] = this.getData()
this.list.push(...list.toTypedArray())
}
let visibleList = this.list.slice(3 * page, 3 * page + 3)
// 换数据
this.visibleList = visibleList
}
},
current(current){
this.state.forEach((val:boolean,index:number)=>{
if(index === current){
this.doPlay(current)
}else if(val){
// 除了选中的其他已经播放的都需要停止
this.doPause(index)
console.log('index:'+index+'已被执行暂停');
}
let visibleList = this.list.slice(3 * page, 3 * page + 3)
// 换数据
this.visibleList = visibleList
/*
// 不换数据,只换内容
for (let i = 0; i < 3; i++) {
this.visibleList[i].src = visibleList[i].src
this.visibleList[i].other = visibleList[i].other
}*/
}
}
})
}
},
onReady() {
// 一启动完成,就播放第一个
this.doPlay(0)
},
methods: {
getData() : ListItem[] {
/* Promise 暂不支持
Promise<void>
return new Promise((resolve) => {
resolve();
});*/
let list = [] as ListItem[];
for (let i = 0; i < 6; i++) {
let index = this.list.length + i;
let listItem : ListItem = {
"_id": "a00" + index,
"content": "这是第" + index + "条数据"
}
list.push(listItem)
changeState(index:number){
if(this.state[index]){
this.doPause(index)
}else{
this.doPlay(current)
}
return list
},
onSwiperChange(e : SwiperChangeEvent) {
// console.error('SwiperChangeEvent',e.detail.current);
this.current = e.detail.current
doPlay(index:number){
(this.$refs["video-"+index] as VideoNode).play()
console.log("doPlay video-"+index);
},
onTransition(e:SwiperTransitionEvent){
console.log('onTransition e.detail.dx',e.detail.dx);
}
}
}
</script>
<style>
.page {
flex: 1;
/* width: 750rpx; */
}
.swiper {
flex: 1;
border: 1px solid #000;
}
.swiper-item {
flex: 1;
border: 1px solid red;
padding: 10px 5px;
doPause(index:number){
(this.$refs["video-"+index] as VideoNode).pause()
console.log("doPause video-"+index);
},
onPause(index:number){
this.state[index] = false
console.log('onPause',index);
},
onPlay(index:number){
this.state[index] = true
console.log('onPlay',index);
},
getData() : ListItem[] {
/* Promise 暂不支持
Promise<void>
return new Promise((resolve) => {
resolve();
});*/
let list = [] as ListItem[];
for (let i = 0; i < 6; i++) {
let index = this.list.length + i;
let listItem : ListItem = {
"_id": "a00" + index,
"content": "这是第" + index + "条数据",
"src": "https://img.cdn.aliyun.dcloud.net.cn/guide/uniapp/hellouniapp/hello-nvue-swiper-vertical-0"+(i%3+1)+".mp4"
}
list.push(listItem)
}
return list
},
onSwiperChange(e : SwiperChangeEvent) {
// console.error('SwiperChangeEvent',e.detail.current);
this.current = e.detail.current;
},
onTransition(/*e : SwiperTransitionEvent*/) {
// console.log('onTransition e.detail.dx', e.detail.dx);
}
}
}
</script>
<style>
.page {
flex: 1;
/* width: 750rpx; */
}
.swiper,
.swiper-item,
.video,
.video-top-view ,
.video-cover {
height: 750rpx;
}
.swiper {
flex: 1;
border: 1px solid #000;
}
.swiper-item {
flex: 1;
border: 1px solid red;
padding: 10px 5px;
position: relative;
}
.video {}
.video-top-view {
position: absolute;
top: 0;
left: 0;
justify-content: center;
align-items: center;
align-content: center;
border: 1px solid red;
flex: 1;
width: 750rpx;
}
.play-btn {
width: 30px;
height: 30px;
color: #FFF;
}
.video-cover{
position: absolute;
width: 750rpx;
top: 0;
left: 0;
}
</style>
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