代码和音乐文件

 onJsonMusic: function () {

         wx.playBackgroundAudio({

           dataUrl: ‘http://bmob-cdn-12456.b0.upaiyun.com/2017/06/22/c27b5d994011dbca800f7a8ba0e2b34b.mp3’,

           title: ‘’,

           coverImgUrl: ‘’

         })

       },