微信小程序学习笔记（十九）video视频

<view class="section tc">
<video id="myVideo" src="http://wxsnsdy.tc.qq.com/105/20210/snsdyvideodownload?filekey=30280201010421301f0201690402534804102ca905ce620b1241b726bc41dcff44e00204012882540400&bizid=1023&hy=SH&fileparam=302c020101042530230204136ffd93020457e3c4ff02024ef202031e8d7f02030f42400204045a320a0201000400"   enable-danmu danmu-btn controls></video>
<view class="btn-area">
<input bindblur="bindInputBlur"/>
<button bindtap="bindSendDanmu">发送弹幕</button>
</view>
</view>

//随机颜色
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) {//调用API
this.videoContext = wx.createVideoContext('myVideo')
},
inputValue: '',
bindInputBlur: function (e) {//获取input框的值
console.log(e.detail.value)
this.inputValue = e.detail.value//把值赋给inputValue
},
bindSendDanmu: function () {
//sendDanmu   danmu   发送弹幕，danmu 包含两个属性 text, color。
this.videoContext.sendDanmu({
text: this.inputValue,
color: getRandomColor()
})
}
})