从Windows批处理文件设置一个系统环境变量？ [英] Setting a system environment variable from a Windows batch file?

问题描述

是否有可能在Windows 7中设置在系统级环境变量从命令提示符（甚至XP为此事）。我从提升的命令提示符下运行。

Is it possible to set a environment variable at the system level from a command prompt in Windows 7 (or even XP for that matter). I am running from an elevated command prompt.

当我使用设置命令（设置为name = value ），环境变量似乎是唯一有效在命令提示符的会话。

When I use the set command (set name=value), the environment variable seems to be only valid for the session of the command prompt.

推荐答案

在XP支持工具（可从您的XP光盘安装）配备了一项名为 setx.exe ：

The XP Support Tools (which can be installed from your XP CD) come with a program called setx.exe:

C:\Program Files\Support Tools>setx /?

SETX: This program is used to set values in the environment
of the machine or currently logged on user using one of three modes.

1) Command Line Mode: setx variable value [-m]
   Optional Switches:
    -m  Set value in the Machine environment. Default is User.

...
For more information and example use: SETX -i

我认为Windows 7的居然附带了 SETX 作为标准安装的一部分。

I think Windows 7 actually comes with setx as part of a standard install.

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