完成第一部分

pages/test/testVideo/testVideo.js

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+Page({
+  /**
+   * 页面的初始数据
+   */
+  data: {
+
+  },
+  videoPlay(){
+    this.videoContext.play()
+  },
+
+  videoPause() {
+    this.videoContext.pause()
+  },
+
+  videoPlayBackRate() {
+    this.videoContext.playbackRate(1.5)
+  },
+
+  videorequestFullScreen() {
+    this.videoContext.requestFullScreen()
+  },
+
+  videoSeek0() {
+    this.videoContext.seek(0)
+  },
+
+  bindInputBlur: function (e) {
+    this.inputValue = e.detail.value
+  },
+  
+  bindSendDanmu: function () {
+    this.videoContext.sendDanmu({
+      text: this.inputValue,
+      color:"#FFFFF"
+    })
+  },
+  onReady: function () {
+    this.videoContext = wx.createVideoContext('Video')
+  }
+})

pages/test/testVideo/testVideo.json

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+{
+  "usingComponents": {}
+}

pages/test/testVideo/testVideo.wxml

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+<video src="http://1.94.237.210:8848/test.mp4" id="Video" danmu-btn enable-danmu></video>
+<input placeholder="在这里输入你要发送的弹幕内容" bindblur="bindInputBlur"/>
+<button type="warn" bindtap="bindSendDanmu">发送弹幕</button>
+<button type="primary" size="mini" bindtap="videoPlay">播放</button>
+<button type="primary" size="mini" bindtap="videoPause">暂停</button>
+<button type="primary" size="mini" bindtap="videoPlayBackRate">1.25倍快进</button>
+<button type="primary" size="mini" bindtap="videorequestFullScreen">全屏</button>
+<button type="primary" size="mini" bindtap="videoSeek0">重新播放</button>

pages/test/testVideo/testVideo.wxss

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+/* pages/test/testVideo/testVideo.wxss */