Code/flask_project/pro_name/models.py

from pro_name import db

# 创建模型类
class User(db.Model):
    __tablename__ = 't_user'
    id = db.Column(db.Integer,primary_key = True,autoincrement = True)
    name = db.Column(db.String(32))
    pwd = db.Column(db.String(32))
    age = db.Column(db.Integer)
    city = db.Column(db.String(32))

    def __repr__(self):
        return f'<User id={self.id}  name={self.name}>'