获得下次尊重时间格式而不是以往的时间格式 [英] Get the next time that respect a time format and not a pervious one

问题描述

我正在尝试将时间移至下一个"6:00:00"，我正在使用时刻:

let shiftEnd =  moment("06:00:00", "HH:mm:ss")
console.log(shiftEnd.inspect())

它使我得到了之前的6:00:00，即与now()相同的日期.

moment("2017-07-31T06:00:00.000")

now()是:

moment("2017-07-31T12:20:57.076")

获取尚未通过的下一个凌晨6点的最佳方法是什么?

解决方案

您将获得当天的时刻对象，因为作为时刻 )和 add 1天(如果需要).

这里有个例子:

 let shiftEnd =  moment("06:00:00", "HH:mm:ss")

if( shiftEnd.isBefore(moment()) ){
  shiftEnd.add(1, 'd')
}

console.log(shiftEnd.inspect())
console.log(shiftEnd.format()) 

 <script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.18.1/moment.min.js"></script> 

I am trying to get the time to the next "6:00:00", I am using moment:

let shiftEnd =  moment("06:00:00", "HH:mm:ss")
console.log(shiftEnd.inspect())

It gets me the previous 6:00:00, the one with the same day as now().

moment("2017-07-31T06:00:00.000")

now() is:

moment("2017-07-31T12:20:57.076")

What's the best way to get the next 6am that's not passed yet?

解决方案

You are getting a moment object for the current day because, as moment Default section states:

You can create a moment object specifying only some of the units, and the rest will be defaulted to the current day, month or year, or 0 for hours, minutes, seconds and milliseconds.

You can simply test if your moment object is in the past (using isBefore) and add 1 day if needed.

Here a live example:

let shiftEnd =  moment("06:00:00", "HH:mm:ss")

if( shiftEnd.isBefore(moment()) ){
  shiftEnd.add(1, 'd')
}

console.log(shiftEnd.inspect())
console.log(shiftEnd.format())

<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.18.1/moment.min.js"></script>

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