PowerShell的 - 改变一个环境变量的值 [英] Powershell - changing the value of an environment variable

问题描述

有没有办法通过PowerShell来更改环境变量（系统）的价值？我只能够手动更改值，请参阅重新启动的PowerShell后的变化。背景信息：我们试图动态地设置一个间接SSIS配置的值和所述配置文件是每环境不同。

Is there a way to change the value of an environment variable (system) through powershell? I have only been able to change the value manually and see the change after restarting powershell. Context: We are trying to dynamically set the value of an indirect SSIS configuration and the configuration file is different per environment.

推荐答案

要设置在系统级别的环境变量（并使其持久的），你需要使用.NET Framework方法 [环境] :: SetEnvironmentVariable方法（）

To set an environment variable at the system level (and make them persistent), you need to use the .Net Framework method [Environment]::SetEnvironmentVariable()

在本届会议期间，您可以通过设置它们 $ ENV：NAME = VALUE

In the current session, you can set them via $env:NAME = VALUE.

请参阅<一href="http://technet.microsoft.com/en-us/library/ff730964.aspx">http://technet.microsoft.com/en-us/library/ff730964.aspx

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