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  • 作业37——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=TabError, 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(20))

    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):

    # 登录
    @app.route('/login/', methods=['GET', 'POST'])
    def login():
        if request.method == 'GET':
            return render_template('login.html')
        else:
            usern = request.form.get('username')
            passw = request.form.get('password')
            user = User.query.filter(User.username == usern).first()
            if user:
                if user.check_password(passw):
                    session['user'] = usern
                    session['userid']=user.id
                    session.permanent = True
                    return redirect(url_for('index'))
                else:
                    return u'password is error'
            else:
                return u'用户名不存在'
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  • 原文地址:https://www.cnblogs.com/888abc/p/8087419.html
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