function [<scope-modifier>:]<name> {<function-body>} 以下命令不使用范围修饰符,在当前或本地范围中创建变量: PowerShell $a="one" 若要在全局范围中创建相同的变量,请使用范围global:修饰符: PowerShell $global:a="one"Get-Variablea |Format-List* ...
Intuitively, you would assume that the variable named $computer that you set in a function could be accessed in the script when the function is complete. However, that's not the case. Variables have a specific scope and are limited in how they interact between scopes. The ...
不能够显示它的其它信息,如果想查看一个变量的其它保留信息,就需要变量的基类PSVariable对象,这个可以通过Get-Variable命令得到,下面的例子演示如何查看一个变量的全部信息。 1、修改变量的选项设置 Powershell处理一个变量的PSVariable对象,主要是为了能够更新变量的选项设置。既可以使用命令Set-Variable,也可以在获取PSva...
#Save the current value in the $p variable. $p = [Environment]::GetEnvironmentVariable("PSModulePath") #Add the new path to the $p variable. Begin with a semi-colon separator. $p += ";$env:repos\learnpwsh\modulesByCxxu\" #Add the paths in $p to the PSModulePath value. [Enviro...
Powershell将变量的相关信息的记录存放在名为variable:的驱动中,查看所有定义的变量: ls variable: 因为所有变量都是存在于驱动中的,验证变量是否存在: Test-Path variable:value1 在powershell退出时,所有变量都会被自动删除,但是如果想要删除变量的话,也可以,删除变量: ...
Set-Variable -scope Global -name SqlServerIncludeSystemObjects -Value $false Set-Variable -scope Global -name SqlServerMaximumTabCompletion -Value 1000 # Load the snapins, type data, format data Push-Location cd $sqlpsPath Add-PSSnapin SqlServerCmdletSnapin100 ...
When using the Rename-Item cmdlet on an existing provider item, I reasonably expect that cmdlet to rename the item that I am referencing. In the variable provider, if the variable that you are referencing is not defined in the current sc...
Windows PowerShell reserves a few parameter names, referred to as Common parameters, which you can't use: WhatIf, Confirm, Verbose, Debug, ErrorAction, ErrorVariable, OutVariable, and OutBuffer. In addition, the following aliases for these parameter names are reserved: vb, db, ea, ev, ov...
[$<variable-name> =] [<class-name>]::new([<constructor-argument-list>]) Syntax 복사 [$<variable-name> =] [<class-name>]@{[<class-property-hashtable>]} 참고 구문을 사용하는 [<class-name>]::new() 경우 클래스 이름 주위의 대괄호는...
Import-Module [-Global] [-Prefix <String>] [-Name] <String[]> [-Function <String[]>] [-Cmdlet <String[]>] [-Variable <String[]>] [-Alias <String[]>] [-Force] [-SkipEditionCheck] [-PassThru] [-AsCustomObject] [-MinimumVersion <Version>] [-MaximumVersion <String>] [-...