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* ...
variable-scope: global: local: private: script: using: workflow: variable-namespace 範圍是選擇性的。 下表顯示在所有可能的情境中,每個情境的意義。 當未已明確指定範圍時,它也會顯示該範圍: 展開資料表 範圍修飾詞腳本檔案內的 腳本區塊內的 函式內部 全球 全域範圍 全域範圍 全域範圍 腳本 最接近的...
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 $p to the PSModulePath value. [Enviro...
Test-Path variable:value1 在powershell退出时,所有变量都会被自动删除,但是如果想要删除变量的话,也可以,删除变量: del variable:value1 powershell自动化变量 是指一打开powershell就会自动加载的变量,比如 用户信息:例如用户的根目录$home 配置信息:例如powershell控制台的大小,颜色,背景等。
In the variable provider, if the variable that you are referencing is not defined in the current scope (e.g. if it is a global variable and you are in a child scope), renaming that variable via Rename-Item doesn't actually rename the variable in the scope it is in. The variable ...
Import-Module [-Global] [-Prefix <String>] [-Name] <String[]> [-Function <String[]>] [-Cmdlet <String[]>] [-Variable <String[]>] [-Alias <String[]>] [-Force] [-SkipEditionCheck] [-PassThru] [-AsCustomObject] [-MinimumVersion <Version>] [-MaximumVersion <String>] [-...
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...
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...
Import-Module [-Global] [-Prefix <String>] [-Name] <String[]> [-Function <String[]>] [-Cmdlet <String[]>] [-Variable <String[]>] [-Alias <String[]>] [-Force] [-SkipEditionCheck] [-PassThru] [-AsCustomObject] [-MinimumVersion <Version>] [-MaximumVersion <String>] [-Required...