$Processes=Get-Process$Today= (Get-Date).DateTime 若要显示变量的值,请键入变量名称,前面带美元符号 ($)。 例如: PowerShell $MyVariable Output 1 2 3 PowerShell $Today Output Tuesday, September 3, 2019 09:46:46 若要更改变量的值,请将新值分配给变量。
Get-Variable -Name 在Import-Csv中添加对 W3C 扩展日志文件格式的支持 以前,Import-Csvcmdlet 不能用于直接导入 W3C 扩展日志格式的日志文件,还需要执行其他作。 通过此更改,支持 W3C 扩展日志格式。 当CSV 文件中存在类型信息时,Import-Csv在导入时应用pstypenames ...
Windows PowerShell will use the String data type to store the value. In .NET Framework terms, that's the System.String class, which has perhaps the most built-in functionality of any variable type. If, say, I want to see an all-lowercase version of the value in $var, I can do this...
PowerShell 复制 $Date = (Get-Date).AddDays(-2) $filter = @{ LogName='Application' StartTime=$Date SuppressHashFilter=@{Level=4} } Get-WinEvent -FilterHashtable $filter 在此示例中,Get-WinEvent 获取过去两天内应用程序日志中的所有事件,但具有 4(信息)级别的事件除外。参数...
예를 들어 다음 명령을 사용하여 및Get-Helpcmdlet의 원본을Get-Date찾습니다. PowerShell Get-CommandGet-Date,Get-Help-All|Select-Object-PropertyName, CommandType, Module ,PSSnapIn 다음 출력은 cmdlet이 Microsoft.PowerShell.Core스냅인에있음...
For PowerShell to see a file extension as executable in the current session, you must add the extension to the $env:PATHEXT environment variable. See also - about_Aliases - about_Functions - about_Path_Syntax - Alias-Provider - Function-Provider - Get-Command - Import-Module - Import-...
wmic environment where name='PATH' set VariableValue='your_value' PowerShell: powershellCopy Code $env:PATH = 'your_value' 15. 管理用户账户 列出用户账户 WMIC: shellCopy Code wmic useraccount list brief PowerShell: powershellCopy Code Get-CimInstance -ClassName Win32_UserAccount | Select-Object...
Remove-Variable Select-Object Select-String Select-Xml Send-MailMessage Set-Alias Set-Date Set-MarkdownOption Set-PSBreakpoint Set-TraceSource Set-Variable Show-Command Show-Markdown Sort-Object Start-Sleep Tee-Object Test-Json Trace-Command 解锁文件 (Unblock-File) Unregister-Event Update-FormatData...
$MyInvocation- The$MyInvocationautomatic variable contains information about the current script, including information about how it was started or "invoked." You can use this variable and its properties to get information about the script while it is running. For example, the$MyInvocation.MyCommand...
$Date = (Get-Date).AddDays(-2) Get-WinEvent -FilterHashtable @{ LogName='Application'; StartTime=$Date; Id='1003' } The Get-Date cmdlet uses the AddDays method to get a date that is two days before the current date. The date object is stored in the $Date...