为何调用wx.playbackgroundaudio(object)无法播放音乐
本地//data.js var local_database = [ { play_title: '01.西晋越窑青瓷双系罐', play_img: '../../images/play_img.png', time_img: '../../images/time_img.png', time_wz: '00:55', last_img: '../../images/last_img.jpg', gelixian: '../../images/middle.png', title_img_src: "../../../images/1.jpg", xiangqing_play_img: "../../../images/play_img.png", xiangqing_play_stop: "../../../images/play_stop.png", xiangqing_play_wz: "01.西晋越窑青瓷双系罐", xiangqing_play_wz_1: "西晋青瓷双系罐,1981年慈溪石堰公社立新大队出土。直口,丰肩,圆鼓腹,平底内凹。肩部刻划弦纹数条,饰网格带纹一周,上置半环形竖系一对,贴印佛像铺首一对。通体施青釉,略偏黄,近底处无釉。贴印铺首、釉不及底等都是西晋越窑青瓷罐的特点之一。", postId: 0, music: { url: "https://shanglinhu-1256137439.cos.ap-shanghai.myqcloud.com/yuyin/changzhan/01.%E8%A5%BF%E6%99%8B%E8%B6%8A%E7%AA%91%E9%9D%92%E7%93%B7%E5%8F%8C%E7%B3%BB%E7%BD%90.m4a", title:"01.西晋越窑青瓷双系罐", } }, //xiangqing.js onMusicTap: function (event) { var currentPostId = this.data.currentPostId; var xiangqing = post_play.post_list[currentPostId]; var isPlayingMusic = this.data.isPlayingMusic; if (isPlayingMusic) { wx.pauseBackgroundAudio(); this.setData({ isPlayingMusic: false }) } else { wx.playBackgroundAudio({ dataUrl: 'xiangqing.music.url', title:'xiangqing.music.title' }) this.setData({ isPlayingMusic: true }) } } 播放不了