1.安装virtualenv
pip install virtualenv
2.查看python解释器路径
where python
3.创建一个python3虚拟环境
win+R输入cmd按回车，然后： D: cd D:\VScodeProjects\PythonProjects\opms virtualenv venv -p "C:\Users\test\AppData\Local\Programs\Python\Python37-32\python.exe"
4.激活虚拟环境以及取消激活状态
cd D:\VScodeProjects\PythonProjects\opms\venv\Scripts
activate
deactivate.bat