def init_mysql(app):
"""
初始化Mysql
:param app:
:return:
"""
url = make_url(app.config['SQLALCHEMY_DATABASE_URI'])
db.init_app(app)
db.app = app
try:
if not database_exists(url):
create_database(url)
db.create_all()
except OperationalError:
db.create_all()
except ProgrammingError:
pass
else:
db.create_all()
Role.init_role()
