python3 win to create a virtual environment (virtualenv)

1. Install virtualenv

　　pip3 install virtualenv

2. Go to the directory is about to create a virtual environment 

　　cd xxxx

3. Create a virtual environment

　　py -3 -m venv testxunihua

4. Activate environment

　　cd  ./Scripts

　　Then execute: activate.bat

5. Quit

　　Execution deactivate.bat

6.pycharm using a virtual environment

 

 NOTE: The virtual environment allows each separate development environment, do not interfere

Reference: https://blog.csdn.net/qq1123642601/article/details/81359316