密码保护

Posted 2020-10-18 002邓诺斯

1.更新User对象，设置对内的_password

class User(db.Model):

    __tablename__ = ‘user‘ 

    _password = db.Column(db.String(200), nullable=False) #内部使用

 

class User(db.Model):
    __tablename__=‘user‘
    id=db.Column(db.Integer, primary_key=True,autoincrement=True)
    username = db.Column(db.String(20), nullable=False)
    _password = db.Column(db.String(200), nullable=False)#内部使用
    nickname = db.Column(db.String(50))

2.编写对外的password

from werkzeug.security import generate_password_hash, check_password_hash

    @property

    def password(self):  #外部使用，取值

        return self._password

    @password.setter

    def password(self, row_password):#外部使用，赋值

        self._password = generate_password_hash(row_password)

    @property
    def password(self): #外部使用
        return self._password

    @password.setter
    def password(self,row_password):
        self._password=generate_password_hash(row_password)

    

3.密码验证方法：

    def check_password(self, row_password): #密码验证

        result = check_password_hash(self._password,row_password)

        return result

    def check_password(self,row_password):
        result=check_password_hash(self._password, row_password)
        return result

4.登录验证：

        password1 = request.form.get(‘password‘)

        user = User.query.filter(User.username == username).first()

        if user:

            if user.check_password(password1):

@app.route(‘/login/‘,methods=[‘GET‘,‘POST‘])
def login():
    if request.method==‘GET‘:
        return render_template(‘login.html‘)
    else:
        username=request.form.get(‘username‘)
        password=request.form.get(‘password‘)
        user = User.query.filter(User.username == username).first()
        if user:
            if user.check_password(password):
                session[‘user‘] = username
                session.permannet = True
                return redirect(url_for(‘base‘))
            else:

                return ‘密码错误‘
        else:
           return ‘用户名不存在‘