按照http://www.pythondoc.com/flask-mega-tutorial/database.html中运行
dos窗口执行该命令
(flaskapp) D:\MySpace\MyWeb2>pip install sqlalchemy-migrate
(flaskapp) D:\MySpace\MyWeb2>python db_create.py
D:\MySpace\MyWeb2\flaskapp\lib\site-packages\flask_sqlalchemy\__init__.py:794: FSADeprecationWarning
: SQLALCHEMY_TRACK_MODIFICATIONS adds significant overhead and will be disabled by default in the fu
ture. Set it to True or False to suppress this warning.
'SQLALCHEMY_TRACK_MODIFICATIONS adds significant overhead and '
(flaskapp) D:\MySpace\MyWeb2>
