如何在PowerShell中将整个月解析（法语）为datetime对象？ [英] How to parse (French) full month into datetime object in PowerShell?

问题描述

我有一个日期字符串，我想将其解析为datetime对象。我有这个：

I have a string of a date which I want to parse into a datetime object. I have this:

$invoice = '9 février 2017'
[datetime]::parseexact($invoice, 'dd MMMM yyyy', $null)

但这不起作用。如何将月份（始终是法国BTW）转换为日期时间对象？

But it doesn't work. How can I convert the month (which is always French BTW) into the date time object?

推荐答案

DateTime.ParseExact 是 IFormatProvider ，您可以将 CultureInfo 实例，在该实例中，字符串应为解释，因此您必须将代表法国文化的对象传递给它：

The 3rd argument to DateTime.ParseExact is the IFormatProvider, to which you can pass a CultureInfo instance in whose context the string should be interpreted, so you must pass it the object representing French culture:

[datetime]::ParseExact($invoice, 'd MMMM yyyy', [cultureinfo]::GetCultureInfo('fr-FR'))

请注意，我ve必须将 dd 更改为 d ，因为您输入的字符串的日索引只有一位数字。

Note that I've had to change dd to d, since your input string's day index only has a single digit.

通过传递 $ null 作为第三个参数，您就隐含了y使用 current 文化，如 [cultureinfo] :: CurrentCulture 所示。 ^[1]

By passing $null as the 3rd argument, you're implicitly using the current culture, as reflected in [cultureinfo]::CurrentCulture.^[1]

^{[1]自动 $ PSCulture 变量也可以，但是只有在会议期间文化没有改变的情况下。}

^{[1] The automatic $PSCulture variable works too, but only if the culture wasn't changed in-session.}

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