[Environment]::SetEnvironmentVariable('Foo','') [Environment]::GetEnvironmentVariable('Foo') Output复制 有关System.Environment类的方法的详细信息,请参阅环境方法。 在Windows 中Create永久性环境变量 在Windows 上,有三种方法可用于对环境变量进行持久更改: 在配置文件中设置它们 SetEnvironmentVariable()使用...
New-Variable [-Name] <String> [[-Value] <Object>] [-Description <String>] [-Option <ScopedItemOptions>] [-Visibility <SessionStateEntryVisibility>] [-Force] [-PassThru] [-Scope <String>] [-WhatIf] [-Confirm] [<CommonParameters>]说明...
Create基于 XML 的帮助主题,例如通常为 cmdlet 创建的类型。 如果要将帮助主题翻译为多种语言,则需要基于 XML 的帮助。 若要将脚本与基于 XML 的帮助主题相关联,请使用 。ExternalHelp 帮助注释关键字 (keyword) 。 有关 ExternalHelp 关键字 (keyword) 的详细信息,请参阅about_Comment_Based_Help。 有关基于 ...
NAME Get-HotFix SYNOPSIS Gets the hotfixes that are installed on local or remote computers. SYNTAX Get-HotFix [-ComputerName <System.String[]>] [-Credential <System.Management.Automation.PSCredential>] [-Description <System.String[]>] [<CommonParameters>] Get-HotFix [[-Id] <System.String[]>...
variable to divide each file's length by# 1 KiloBytes$size= @{Label="Size(KB)";Expression={$_.Length/1KB}}# Create an additional calculated property with the number of Days since the# file was last accessed. You can also shorten the key names to be 'l', and 'e',# or use Name ...
seeabout_Scopes. You can use this to build strings containing the command, parameters, and arguments you need, and then invoke the string as if it were a command. The strings that you create must follow the same parsing rules as a command that you type at the command line. For more inf...
Functions create a new scope. The items created in a function, such as variables, exist only in the function scope. For more information, seeabout_Scopes. Find and manage functions using theFunction:drive All the functions and filters in PowerShell are automatically stored in theFunction:drive....
WScript.Shell CreateShortcut方法接受单个参数,即要创建的快捷方式文件的路径。 我们可以键入桌面的完整路径,但还有更简单的方法。 桌面通常由当前用户的主文件夹内名为 Desktop 的文件夹表示。 Windows PowerShell 具有变量$HOME,它包含此文件夹的路径。 我们可以通过使用此变量指定主文件夹的路...
Write-Host $randomString OUTPUT 1 2 3 mQ7NgZmX!0 First, we used the ToCharArray() method to create an array of characters stored in the $charArray variable. After that, we used the New-Object cmdlet to create an instance of the System.Random class and stored it in the $randomObjec...
exists. $profile is simply a built-in variable that contains the full path to where the profile will be if there is one; the file doesn’t actually have to exist, and, by default. it doesn’t. If you want a profile to run when you start Windows PowerShell, you need to create ...