小程序给视频加默认图片封面，点击播放视频并停止播放上一个视频

实现的功能：

微信小程序视频组件添加图片封面,

点击图片播放视频,

点击下一个视频的封面图自动停止播放当前视频并播放点击的视频。

 

效果gif图：

实现代码：

WXML

<pre class="has">

{{item.title}} display: {{ _index == index ? 'none' : 'block' }};" bindtap="videoPlay"> etoFill"> etoFill">

js

<pre class="has">
var util = require('../../utils/util');
var app = getApp();
Page({
data: {
videoPlay: null,vedio_data: [{
title: '视频标题1',url: 'http://wxsnsdy.tc.qq.com/105/20210/snsdyvideodownload?filekey=30280201010421301f0201690402534804102ca905ce620b1241b726bc41dcff44e00204012882540400&bizid=1023&hy=SH&fileparam=302c020101042530230204136ffd93020457e3c4ff02024ef202031e8d7f02030f42400204045a320a0201000400',img: 'https://ss3.bdstatic.com/70cFv8Sh_Q1YnxGkpoWK1HF6hhy/it/u=1437596250,215562873&fm=26&gp=0.jpg',},{
title: '视频标题2',img: 'https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1545625549289&di=4bf95a6bd0d05003dea5598aa516f718&imgtype=0&src=http%3A%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F7cec9a37f417277ec1bb62840da6b9d9c2c22f05.jpg',}]
},// 点击cover播放，其它视频结束
videoPlay: function(e) {
var _index = e.currentTarget.id
this.setData({
_index: _index
})
//停止正在播放的视频
var videoContextPrev = wx.createVideoContext(this.data._index)
videoContextPrev.stop();
setTimeout(function() {
//将点击视频进行播放
var videoContext = wx.createVideoContext(_index)
videoContext.play();
},500)
}
})

css

<pre class="has">
.vv {
width: 700rpx;
height: 530rpx;
border-left: gainsboro 1px solid;
border-right: gainsboro 1px solid;
border-top: gainsboro 1px solid;
margin-bottom: 80rpx;
border-radius: 15rpx;
overflow: hidden;
position: relative;
top: 40rpx;
left: 20rpx;
}

/ 小图标 /
.img1 {
width: 36rpx;
height: 28rpx;
margin-top: 30rpx;
}

/ 标题文字 /
.text {
font-size: 28rpx;
color: #585858;
margin-left: 10rpx;
}

/ 视频 /
.video {
width: 100%;
height: 450rpx;
margin-top: 20rpx;
border-bottom-left-radius: 15rpx;
border-bottom-right-radius: 15rpx;
}
.videoVideo2 {
width: 703rpx;
height: 453rpx;
position: absolute;
top: 80rpx;
left: 20rpx;
z-index: 99;
}
.videoPlay{
position: absolute;
width: 80rpx;
height: 80rpx;
top:45%;
left: 45%;
margin: -30rpx 0 0 -30rpx;
z-index: 100;
}

/ 底部盒子 /
.bottom {
width: 40rpx;
height: 40rpx;
}