将isodate转换为数值 [英] Converting isodate to numerical value

问题描述

我正在执行测试以确保我正确地获取了日期.

I am performing tests to ensure I'm getting the dates correctly.

我当前的测试是:选择mongodb ISODate格式的日期并将其转换为数值(自1970年以来为毫秒)，反之亦然

My current tests are: pick a date in mongodb ISODate format and transform it to the numerical value (milliseconds since 1970) and vice versa

示例:

var date_test = ISODate ("2013-07-26T22:35:40.373Z")

此日期的数值是多少?哪个命令用于获取此信息?

What is the numeric value of this date? Which command is used to get this?

推荐答案

只需调用 getTime() 方法，您将获得自1970/01/01以来的毫秒数

Simply call the getTime() method, and you get the milliseconds since 1970/01/01

> var date_test = ISODate ("2013-07-26T22:35:40.373Z")
> date_test.getTime()
1374878140373

要将毫秒转换回日期，请构造一个新的日期对象:

to convert milliseconds into date back, construct a new date object:

> new Date(1374878140373)
ISODate("2013-07-26T22:35:40.373Z")

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