在Windows 7上将"python2"路径添加到命令行 [英] Add “python2” path to command line on Windows 7

问题描述

我一直试图在Windows 7上将python2路径添加到命令行.

I've been trying to add the python2 path to command line on Windows 7.

我尝试过这种方式:

C:\>set python2 = C:\Python27\python.exe

但是cmd告诉我:

'python2' is not recognized as an internal or external command.

那么如何在Windows 7上将python2路径添加到命令行?

So how can I add python2 path to command line on Windows 7?

谢谢.

推荐答案

此答案是从我自己的答案复制而来的，并且为此问题量身定制.

This answer copied from my own answer, and customized to this question.

尝试执行以下命令.

set path=%path%;c:\python27

PATH仅针对运行上述命令的cmd.exe设置.

PATH is set only for the cmd.exe in which you run the above command.

要永久设置PATH:

1. 右键单击桌面上的我的电脑.
2. 点击左侧的高级系统设置.
3. 点击环境变量.
4. 添加或更新PATH变量:
   • 如果不存在，请创建一个，并将值设置为C:\python27
   • 如果存在，则将;C:\Python27附加到现有值.

1. Right click My computer in the desktop.
2. Click Advanced System Settings on the left.
3. Click Environmental Variable.
4. Add or Update PATH variable:
   • If it does not exist, create one, and set value as C:\python27
   • If it exist, append ;C:\Python27 to existing value.

更新

如果要使用 python2 ，请复制可执行文件.

If you want to use python2, copy the executable.

CD C:\python27    
COPY python.exe python2.exe

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