微信小程序之----video视频播放
vidao
我现在看到的官方文档是不带danmu（弹幕）属性的，之前是有的，不过现在这个属性还可以生效。控制视频的状态可以根据video标签的唯一id得到一个对象实例。video组件并不具备action属性，不能通过action来控制。
- .wxml
<view class="section tc">
<video src="{{src}}" controls ></video>
<view class="btn-area">
<button bindtap="bindButtonTap">获取视频</button>
</view>
</view>
<!--
danmu-list:弹幕列表
enable-danmu:是否显示弹幕
danmu-btn:弹幕按钮
controls:是否显示视频控件，并没有什么用
-->
<view class="section tc">
<video id="myVideo" src="http://wxsnsdy.tc.qq.com/105/20210/snsdyvideodownload?filekey=30280201010421301f0201690402534804102ca905ce620b1241b726bc41dcff44e00204012882540400&bizid=1023&hy=SH&fileparam=302c020101042530230204136ffd93020457e3c4ff02024ef202031e8d7f02030f42400204045a320a0201000400" binderror="videoErrorCallback" danmu-list="{{danmuList}}" enable-danmu danmu-btn controls></video>
<view class="btn-area">
<button bindtap="bindButtonTap">获取视频</button>
<input bindblur="bindInputBlur"/>
<button bindtap="bindSendDanmu">发送弹幕</button>
</view>
</view>
<!-- 现在的video就下面三个属性 -->
<video src="" binderror="" hidden></video>
- .js
function getRandomColor () {
let rgb = []
for (let i = 0 ; i < 3; ++i){
let color = Math.floor(Math.random() * 256).toString(16)
color = color.length == 1 ? \'0\' + color : color
rgb.push(color)
}
return \'#\' + rgb.join(\'\')
}
Page({
onReady: function (res) {
this.videoContext = wx.createVideoContext(\'myVideo\')
},
inputValue: \'\',
data: {
src: \'\',
danmuList: [
{
text: \'第 1s 出现的弹幕\',
color: \'#ff0000\',
time: 1
},
{
text: \'第 3s 出现的弹幕\',
color: \'#ff00ff\',
time: 3
}
]
},
bindInputBlur: function(e) {
this.inputValue = e.detail.value
},
bindButtonTap: function() { //视频下载
var that = this
wx.chooseVideo({
sourceType: [\'album\', \'camera\'],
maxDuration: 60,
camera: [\'front\',\'back\'],
success: function(res) {
that.setData({
src: res.tempFilePath
})
}
})
},
bindSendDanmu: function () {
this.videoContext.sendDanmu({
text: this.inputValue,
color: getRandomColor()
})
},
videoErrorCallback: function(e) {
console.log(\'视频错误信息:\');
console.log(e.detail.errMsg);
}
})
- 效果
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