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  • 密码保护

    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
    

      

    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)

      #外部使用
        @property
        def password(self):
            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('userpassword')
            user = User.query.filter(User.username == username).first()
            if user:
                if user.check_password(password):
                    session['user'] = username
                    session['id'] = user.id
                    session.permanent = True
                    return redirect(url_for('index'))
                else:
                    return 'username or password error'
            else:
                return 'user doesnt exist'
    

      

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  • 原文地址:https://www.cnblogs.com/mavenlon/p/8086697.html
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