小程序背景音乐播放暂停

文档：https://developers.weixin.qq.com/miniprogram/dev/api/wx.stopBackgroundAudio.html

 const backgroundAudioManager =wx.getBackgroundAudioManager()
 backgroundAudioManager.title = postdata.music.title;
     backgroundAudioManager.epname = postdata.music.title;
     backgroundAudioManager.coverImgUrl = postdata.music.coverImg;
   
     backgroundAudioManager.src = postdata.music.url;
  // 播放
     backgroundAudioManager.play();
     backgroundAudioManager.onPlay(function(){
       that.setData({
         isplayingmusic: true
       })
     }) 

//暂停
 backgroundAudioManager.pause()
     backgroundAudioManager.onPause(function(){
       that.setData({
         isplayingmusic:false
       })
     })