一，安装用到的库:(venv)liuhongdi@lhdpc:/data/work/python/xiaoqu$pip3installPyJWTCollectingPyJWTDownloadingPyJWT-2.10.1-py3-none-any.whl.metadata(4.0kB)DownloadingPyJWT-2.10.1-py3-none-any.whl(22kB)Installingcollectedpackages:PyJWTSucces