修复了重新录音出错的问题

Dubbing/Dubbing.js

@@ -15,16 +15,14 @@ Page({
    * 生命周期函数--监听页面加载
    */
   onLoad: function (options) {
-    this.videoContext = wx.createVideoContext('myVideo');
    
-   // var time = this.videoContext.duration;
   },
 
   /**
    * 生命周期函数--监听页面初次渲染完成
    */
   onReady: function () {
-   // this.videoContext = wx.createVideoContext('myVideo');
+    this.videoContext = wx.createVideoContext('myVideo');
   },
 
   /**
@@ -68,14 +66,7 @@ Page({
   onShareAppMessage: function () {
 
   },
-  endDub() {
-    this.videoContext.stop();
-     wx.stopRecord();
-     wx.navigateTo({
-       url: '../previewWork/previewWork',
-     })
 
-  },
   //预览素材
   playingFodder: function () {
     this.setData({
@@ -87,12 +78,6 @@ Page({
 
   // 开始录音,
   startDub: function () {
-    /*
-    this.videoContext.src = 'cloud://dunning-bar-enr-3e46z.6475-dunning-bar-enr-3e46z-1300499016/huaizhugege-erkang.mp4' ;
-  var time = this.videoContext.duration;
-    console.log(time);
-    */
-  
     this.videoContext.seek(0);
     this.videoContext.play();
     //speaking.call(this);
@@ -126,21 +111,37 @@ Page({
           content: '录音出错'
         })
       },
+    });
+
+  },
+
   funended: function () {
-        console.log('eeee');
+    console.log('录音结束');
     wx.stopRecord();// 结束录音
     wx.navigateTo({//视频播放完成自动跳转到预览页面
       url: '../previewWork/previewWork',
     })
-      }
+  },
+
+  //重新录音
+  reDub: function () {
+    wx.stopRecord();
+    this.setData({
+      isSpeaking: false
     });
-    /*
-    setTimeout(function () {
-      wx.stopRecord();// 结束录音
-      wx.navigateTo({//视频播放完成自动跳转到预览页面
+    wx.showModal({
+      title: '提示',
+      content: '重新录音'
+    });
+    this.startDub();
+  },
+  //结束录音
+  endDub: function () {
+    console.log('录音结束');
+    this.videoContext.stop();
+    wx.stopRecord();
+    wx.navigateTo({
       url: '../previewWork/previewWork',
     })
-    },time);  
-    */  
   },
 })

Dubbing/Dubbing.wxml

@@ -1,10 +1,12 @@
 <!--miniprogram/pages/Dubbing/Dubbing.wxml-->
 <view>
-  <video id="myVideo" src="cloud://dunning-bar-enr-3e46z.6475-dunning-bar-enr-3e46z-1300499016/huaizhugege-erkang.mp4"muted ="{{muted}}"  binended = "funended" controls ="{{false}}" show-play-btn	="{{false}}"show-fullscreen-btn = "{{false}}" show-center-play-btn="{{false}}" style="width: 400px; height: 200px;"></video>
+  <video id="myVideo" src="cloud://dunning-bar-enr-3e46z.6475-dunning-bar-enr-3e46z-1300499016/video/video_1.mp4"
+  muted ="{{muted}}" bindended="funended" custom-cache="{{false}}"  controls ="{{false}}" show-play-btn	="{{false}}"show-fullscreen-btn = "{{false}}" show-center-play-btn="{{false}}" style="width: 300px; height: 200px;"></video>
 </view>
 
 <view>
 <button bindtap="playingFodder">预览素材</button>
 <button bindtap="startDub">开始录音</button>
+<button bindtap="reDub">重新录制</button>
 <button bindtap="endDub">完成录音</button>
 </view>