小程序实例 | 视频播放加弹幕效果

js

Page({
  onReady(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(e) {
    this.inputValue = e.detail.value
  },
  bindButtonTap() {
    const that = this
    wx.chooseVideo({
      sourceType: ['album', 'camera'],
      maxDuration: 60,
      camera: ['front', 'back'],
      success(res) {
        that.setData({
          src: res.tempFilePath
        })
      }
    })
  },
  bindSendDanmu() {
    this.videoContext.sendDanmu({
      text: this.inputValue,
      color: '#ccc'
    })
  }
})

wxml

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

wxss

/* pages/video/index.wxss */
#myVideo{
  width: 100%
}