i1.‘最近一小时
bTime = (new Date(moment().subtract(1, "hours").format(‘YYYY-MM-DD hh:mm:ss ‘)).getTime())/1000
2.最近一天
bTime = (new Date(moment().subtract(24, "hours").format(‘YYYY-MM-DD hh:mm:ss ‘)).getTime())/1000
3.最近一周
bTime = (new Date(moment().subtract(168, "hours").format(‘YYYY-MM-DD hh:mm:ss ‘)).getTime())/1000
获取过去某个时刻时间戳
原文：https://www.cnblogs.com/kaiqinzhang/p/11909412.html
