def add_address():
address = Address()
address.a_position = f'正阳北路{random.randrange(10000)}号'
# 实现逆序需要使用desc方法或者使用text()方法包裹负号的字段名
address.a_customer_id = Customer.query.order_by(
Customer.id.desc()).first().id
# address.a_customer_id = Customer.query.order_by(db.text('-id')).first().id
db.session.add(address)
db.session.commit()
return 'add success'
