const backgroundAudioManager = wx.getBackgroundAudioManager()
backgroundAudioManager.title = \'语音提醒\'
backgroundAudioManager.epname = \'语音提醒\'
backgroundAudioManager.singer = \' \'
backgroundAudioManager.coverImgUrl = \'\'
backgroundAudioManager.src = \'https://xxxxxxxxxxxxxx.mp3\';
基础库 1.2.0 开始支持