**获取当前播放信息：** ~~~ public getPlayStatus(): string ~~~ 备注：返回播放信息 ~~~ { "audiobitrate":256, "audiocodec":23, "audioduration":45540, "bitspersample":16, "channels":1, "errorcode":0, "filebitrate":256, "fileduration":45540,//媒体总时间 "filename":"2.mp3", "playspeed":1, "playstatus":0, "playtime":0, //播放到进度时间 "samplespersec":16000, "taskguid":"E444CCD1-4D27-48FE-A9D5-BD0074A0B557" }