微信小程序之----video视频播放

http://www.cnblogs.com/liululin/p/6018635.html

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