pip3 install -r ./requirement.txtpython ./manage.py db initpython ./manage.py db migratepython ./manage.py db upgradepython ./manage.py generate_fakepython ./manage.py runserver# 为了方便运行，默认采用了sqlite，如果想用别的数据库，请自信导入环境变量
SQLALCHEMY_DATABASE_URI = os.environ.get('DEV_DATABASE_URL') or \
'sqlite:///' + os.path.join(basedir, 'db.sqlite')