密码保护
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
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)
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
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):
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:
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):
# if user.password == passw:
session['user'] = usern
session['id'] = user.id
session.permanent = True
return redirect(url_for('danghangye'))
else:
return '密码错误'
else:
return '用户不存在'
@app.context_processor
def mycontext():
usern = session.get('user')
if usern:
return {'usernamedd' : usern}
else:
return {}