python多环境安装包

1. 实体环境
   c:\users\xxx\appdata\local\programs\python\python38-32\python.exe -m pip ...

2. 虚拟环境
   %windir%\system32\cmd.exe "/K" C:\Users\xxx\AppData\Local\Programs\Python\Python38-32\Scripts\activate.bat C:\Users\xxx\AppData\Local\Programs\Python\Python38-32