使用SQLAlchemy操作MYSQL黑科技之 属性订制

 1 class Role(UserMixin, db.Model):
 2     __tablename__ = ‘Role‘
 3     id = db.Column(db.Integer, primary_key=True)
 4     username = db.Column(db.String(64), nullable=True)
 5     role = db.Column(db.String(64), nullable=True)
 6     password = db.Column(db.String(64), nullable=True)
 7     password_hash = db.Column(db.String(128), nullable=True)
 8
 9     role_art = db.relationship(‘Article‘, backref=‘roleart‘)
10     role_com = db.relationship(‘Comment‘, backref=‘rolecom‘)
11
12     @property
13     def password(self):
14         raise AttributeError(‘password is not readable attribute‘)   #没有可读的明文密码属性
15
16     @password.setter                            #设置 哈希后的密码值
17     def password(self, password):
18         self.password_hash = generate_password_hash(password)
19
20     def verify_password(self, password):
21         return check_password_hash(self.password_hash, password)