更换录音格式1

previewWork.js

@@ -0,0 +1,147 @@
+// miniprogram/pages/previewWork/previewWork.js
+
+
+Page({
+
+  /**
+   * 页面的初始数据
+   */
+  data: {
+    muted: 'false',
+    path:'',
+    cloudPath: '',
+    src: getApp().globalData.workPath
+  },
+
+  /**
+   * 生命周期函数--监听页面加载
+   */
+  onLoad: function (options) {
+   this.setData({
+     path:options.path
+   }) 
+  },
+
+  /**
+   * 生命周期函数--监听页面初次渲染完成
+   */
+  onReady: function () {
+    this.videoContext = wx.createVideoContext('myVideo');
+    this.myVoice = wx.createInnerAudioContext('');
+  },
+
+  /**
+   * 生命周期函数--监听页面显示
+   */
+  onShow: function () {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面隐藏
+   */
+  onHide: function () {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面卸载
+   */
+  onUnload: function () {
+
+  },
+
+  /**
+   * 页面相关事件处理函数--监听用户下拉动作
+   */
+  onPullDownRefresh: function () {
+
+  },
+
+  /**
+   * 页面上拉触底事件的处理函数
+   */
+  onReachBottom: function () {
+
+  },
+
+  /**
+   * 用户点击右上角分享
+   */
+  startPreview() {
+    this.videoContext.play();
+    this.myVoice.src = getApp().globalData.workPath;
+    this.myVoice.play();
+    this.myVoice.onPlay(() => {
+      wx.showToast({
+        title: '开始播放',
+      });
+    })
+   
+    console.log("作品路径为" + getApp().globalData.workPath);
+    /*
+    wx.playVoice({
+      filePath: getApp().globalData.workPath,
+      success: function () {
+        wx.showToast({
+          title: '播放结束',
+        })
+      },
+    })
+    */
+     // this.videoContext.play();
+  },
+  stopPreview(){
+   this.videoContext.stop();
+  },
+  onAdd(cloudpath) {//保存到云端，更新数据库
+    const db = wx.cloud.database(); console.log("cloudpath=" + cloudpath);
+    db.collection('user-video').add({
+      data: {
+       VideoPath: this.data.path,
+        CloudPath:cloudpath,
+      },
+      success: res => {
+        // 在返回结果中会包含新创建的记录的 _id
+        this.setData({
+          cloudPath: cloudpath
+        })
+        wx.showToast({
+          title: '新增记录成功',
+        })
+        console.log('[数据库] [新增记录] 成功，记录 _id: ', res._id)
+      },
+      fail: err => {
+        wx.showToast({
+          icon: 'none',
+          title: '新增记录失败'
+        })
+        console.error('[数据库] [新增记录] 失败：', err)
+      }
+    })
+  },
+  saveWork() {//保存作品并上传云存储
+    var path;
+    var length=this.data.path.length-4;
+    var index = this.data.path.substring(80,length);//得到视频路径尾部的序号
+    console.log("index=" + index);
+    wx.cloud.uploadFile({
+      cloudPath: 'VideoWork/' + getApp().globalData.openid + index +'.mp3',
+      filePath: getApp().globalData.workPath,
+      success: res => {
+        path = res.fileID;
+        console.log("保存成功"+path);
+        this.onAdd(path);
+      },
+      fail: err => {
+        console.log("保存失败");
+      }
+    })
+  },
+  onShareAppMessage: function () {
+
+  },
+  onShareAppMessage: function () {
+
+  }
+})