pip 导出安装包
pip freeze > requirements.txt
pip 在线安装
pip install -r requirement.txt
pip离线安装
注:离线安装需要提前下载所需的*.whl文件(https://pipy.org)
pip install --find-links=. /package -r ./package/requirement.txt
配置pip源:https://www.cnblogs.com/boye169/p/13611182.html