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  • 密码保护

    from werkzeug.security import generate_password_hash,check_password_hash
    
    
    app=Flask(__name__)
    app.config.from_object(config)
    db=SQLAlchemy(app)
    
    # 创建用户模型
    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))
    
     @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)
    
        def check_password(self,row_password):
            result = check_password_hash(self._password,row_password)
            return result
    

      

    @app.route('/login/',methods={'GET','POST'})
    def login():
        if request.method=='GET':
            return render_template('login.html')
        else:
            username = request.form.get('username')  # 获取form中的数据
            password = request.form.get('password')
            nickname = request.form.get('nickname')
            user = User.query.filter(User.username == username).first()
            # id = User.query.filter(User.id == id).first()
            if user:
                if user.check_password(password):
                    session['user'] = username
                    # session['id'] = id
                    session.permanent=True
                    return redirect(url_for('index'))  # 返回到首页
                else:
                    return u'password error'
            else:
                return u'error username or password' #输出错误
    

      1.更新User对象,设置对内的_password

           2.编写对外的password

           3.密码验证:

           4.登录验证:

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  • 原文地址:https://www.cnblogs.com/Sun584125503/p/8084647.html
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