powershell - 解析日期时间时出错

Question

我正在尝试解析“时间”字符串以进行比较

$Test2 =[datetime]::Parse("24/09/2015 05:41:27",[Globalization.cultureinfo]::GetCultureInfo("en-US")) 
$Test2

$Test =[datetime]::Parse("23/09/2015 05:41:27",[Globalization.cultureinfo]::GetCultureInfo("en-US")) 
$Test


if($Test2 -gt $Test)
 write-host comparison works

我收到以下错误:

Exception calling "Parse" with "2" argument(s): "String was not recognized as
a valid DateTime."
At C:\Users\Desktop\ne.ps1:1 char:1
+ $Test =[datetime]::Parse("23/09/2015
05:41:27",[Globalization.cultureinfo]::GetC ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
~~~
    + CategoryInfo          : NotSpecified: (:) [], MethodInvocationException
    + FullyQualifiedErrorId : FormatException

Answer 1

en-US 区域性使用月-日-年格式，因此您需要:

1. 转换您使用的文化
2. 改变输入字符串的格式

这是一个代码示例:

### Change the date/time input string
[datetime]::Parse("09/23/2015 05:41:27")

### Use the Great Britain culture
[datetime]::Parse("23/09/2015 05:41:27", [cultureinfo]::GetCultureInfo('en-GB'))