为什么不能在PowerShell中使用变量作为参数?
Set-MsolUser -UserPrincipalName john.doe@contoso.com -$parameter Stockholm
在这种情况下,$ parameter等于City
Set-MsolUser : A positional parameter cannot be found that accepts argument '-City'.
At line:1 char:1
+ Set-MsolUser -UserPrincipalName john.doe@contoso.com
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidArgument: (:) [Set-MsolUser],ParameterBindingException
+ FullyQualifiedErrorId : PositionalParameterNotFound,microsoft.Online.Administration.Automation.SetUser