【音视频】视频的播放和暂停，当播放到末尾时触发 ended 事件，循环播放,播放速度

在这里插入图片描述

video 也可以播放 MP3 音频，当不想让视频显示出来的话，可以给 video 设置宽和高 1rpx ，不可以隐藏

<template><view class="form2box"><u-navbar  @leftClick="leftClick"><view slot="left"><image src="@/static/img/fanhui.png" mode="" class="u-w-56 u-h-56" ></image></view></u-navbar><view class="content"><video id="myVideo" class="u-w-714"autoplay:style="{'height':winheight+'px'}"   :src="videosrc"object-fit='cover':controls='true':show-fullscreen-btn='false':show-center-play-btn='false':show-play-btn='false':loop='loop'@ended='endedFun'></video><!-- 暂停 图标TODO..--><image src="@/static/img/zan1.png" mode="" class="anniu" @click="playFun(1)" v-if="item == 0"></image><!-- 播放 --><image src="@/static/img/you.png" mode="" class="anniu" @click="playFun(0)" v-if="item == 1"></image> </view><view class="fixbox"><!-- 图标TODO..  --><view class="flex_col flex_between" @click="loopFun"><image src="../../static/img/zan1.png" mode="" class="u-w-134 u-h-134"  v-if="loop"></image><image src="../../static/img/xunhuan.png" mode="" class="u-w-134 u-h-134" v-else></image><view class="text"> {{loop ? '暂停' : '循环播放'}}</view></view><view class="you "><view class="scrollbox" v-if="scrollShow"><view v-for="(item,i) in timeList" :key="i"class="u-m-b-10":class="item.choose ? 'ac' :''"@click="timeFun(i)">{{item.time}}s</view></view><view class="flex_col flex_between" @click="scrollShow=!scrollShow"><view class="miao">{{time}}s</view><view class="text">间隔距离</view></view></view></view></view>
</template><script>// import {//   xxx//  } from "@/api/index/index.js"export default {components: {},data() {return {winheight:0,item:1, // 1默认播放 0暂停videosrc:'https://qiniu-web-assets.dcloud.net.cn/unidoc/zh/2minute-demo.mp4', // 视频videoContext:'',loop:true, // 是否循环播放 默认true是scrollShow:false, // 时间间隔默认不显示falsetimeList:[{choose:false,time:'1.0'},{choose:false,time:'1.5'},{choose:false,time:'2.0'},{choose:true,time:'2.5'},{choose:false,time:'3.0'},{choose:false,time:'3.5'},{choose:false,time:'4.0'},{choose:false,time:'4.5'},{choose:false,time:'5.0'},],time:'2.5' // 时间间隔 默认2.5s}},onLoad(option) {let that = this;uni.getSystemInfo({success: function (res) {// deviceOrientation获取到设备方向，横屏还是竖屏that.winheight = res.windowHeight - 240;}});this.videoContext = uni.createVideoContext("myVideo", this);// 播放速度// this.videoContext.playbackRate(Number(2.0))},methods: {playFun(num){this.item = num;if(num == 1){console.log('播放');this.$nextTick(() => {this.videoContext.play();});} else {console.log('暂停');this.$nextTick(() => {this.videoContext.pause();});}},// 是否循环播放loopFun(){this.loop = !this.loop;console.log(this.loop,'循环播放')if(this.item == 1 &&this.loop){this.videoContext.play();}},// 选中 时间间隔，自动默认循环和开始播放timeFun(i){this.timeList.forEach((item,index) => {if(i == index){item.choose = true;this.time = item.time;this.scrollShow = false;this.loop = true;this.item = 1;} else {item.choose = false;}});},//  当播放到末尾时触发 ended 事件，先暂停再延迟多长时间重新播放endedFun(){let that = this;let a = Number(this.time)*1000;this.$nextTick(() => {this.videoContext.pause();});setTimeout(function() {if(that.item == 1 && that.loop){console.log('延迟时间开始播放了',a);that.videoContext.play();}}, a);},leftClick(){uni.navigateBack();}},}
</script><style lang='scss'>page{background: #F8F8F8;}</style>
<style lang='scss' scoped>.form2box{.content{padding: 0 18rpx;box-sizing: border-box;width:750rpx;position: relative;.anniu{position: absolute;bottom: -107rpx;left: 50%;transform: translateX(-50%);width: 214rpx;height: 214rpx;}}.fixbox{position: fixed;bottom: 100rpx;width:750rpx;box-sizing: border-box;background: #FAFAFA;display: flex;align-items: center;justify-content: space-around;.miao{width: 134rpx;height:134rpx;line-height: 134rpx;text-align: center;color: #B0B0B0;font-size: 33.33rpx;font-family: MicrosoftYaHei;}.text{margin-top: 25rpx;font-family: Adobe Heiti Std R;font-size: 25rpx;color: #000000;}.you{position: relative;.scrollbox{box-sizing: border-box;position: absolute;top: -385rpx;left: -15rpx;background-color: #fff;width: 248rpx;border: 2rpx solid #000000;color:#B0B0B0;font-size: 25rpx;font-family: MicrosoftYaHei;padding: 20rpx 25rpx 0;.ac{color: #000000;}}}}}
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