You can display and change the values of environment variables with the following syntax: $Env:<variable-name> For example, to display the value of thewindirenvironment variable: PowerShell $Env:windir Output C:\Windows In this syntax, the dollar sign ($) indicates a variable, and the driv...
Function Display-EnvironmentVariable { Get-ChildItem ENV: | sort-object -property Name | format-table -autosize } set-alias dev Display-EnvironmentVariable中文(简体) 你的隐私选择 主题 管理Cookie 早期版本 博客 参与 隐私 使用条款 商标 © Microsoft 2025 ...
$classpath="%JAVA_HOME%\lib;%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\lib\tools.jar"$path="%JAVA_HOME%\bin;"+$env:Path[Environment]::SetEnvironmentVariable("JAVA_HOME",$java_home,"Machine")[Environment]::SetEnvironmentVariable("CLASSPATH",$classpath,"Machine")[Environment]::SetEnvironmentVaria...
Running lmhosts TCP/IP NetBIOS Helper 1.5.2 Get-Service | Where-Object {$_.displayName.Contains("File")} | Select name,DisplayName 可以筛选出两列数据,列名用逗号分隔 1.6 查看环境变量 [environment]::ExpandEnvironmentVariables("%HomeDrive%%HomePath%") [environment]::ExpandEnvironmentVariables("%Ho...
Most people know how easy it is to use Windows PowerShell to retrieve information about environment variables. Want to see all your environment variables and their values? This command should do the trick: Get-ChildItem Env: In turn, you should get back information similar to this extract: ...
21.4. Modifying Environment Variables You can modify environment variables but only for the duration of a Windows PowerShell session. The following example adds a new directory C:\ to the PATH environment variable. You can display the folders in the PATH environment variable using...
Env:Environment variables defined in the current scope Function:Functions defined in the current scope Variable:Variables defined in the current scope The default scope for scripts is the script scope. The default scope for functions and aliases is the local scope, even if they're defined in a ...
这与进程的当前目录不同:[System.Environment]::CurrentDirectory。 $Sender 包含生成此事件的对象。 此变量仅在事件注册命令的操作块内填充。 也可以在返回对象的 PSEventArgsGet-Event Sender 属性中找到此变量的值。 $ShellId 包含当前 shell 的标识符。 $StackTrace 包含最新错误的堆栈跟踪。 $swi...
enum ProjectState { NotTriaged ReadyForWork Committed Blocked InProgress Done } class ProjectAssignee { [string] $DisplayName [string] $UserName [string] ToString() { return "$($this.DisplayName) ($($this.UserName))" } } class ExampleProject2 { [string] $Name [int] $Size [ProjectState...
这与进程的当前目录不同:[System.Environment]::CurrentDirectory。 $Sender 包含生成此事件的对象。 此变量仅在事件注册命令的操作块内填充。 也可以在返回对象的 PSEventArgsGet-Event Sender 属性中找到此变量的值。 $ShellId 包含当前 shell 的标识符。 $StackTrace 包含最新错误的堆栈跟踪。 $switch 包含枚举器...