1:本地时间转UTC时间 let a = new Date() let c=DateTime.fromJSDate(a).toUTC().toFormat("yyyy-MM-dd'T'HH:mm:ss'Z'") 2:UTC时间转本地时间 let d = DateTime.fromISO(c).toFormat("yyyy-MM-dd'T'HH:mm:ss'Z'")```