//datetime 是拿到的时间戳
var date = new Date(datetime);//时间戳为 10 位需*1000，时间戳为 13 位的话不需乘 1000
var year = date.getFullYear(),
month = ("0" + (date.getMonth() + 1)).slice(-2),
sdate = ("0" + date.getDate()).slice(-2),
hour = ("0" + date.getHours()).slice(-2),
minute = ("0" + date.getMinutes(……