源自：4-6 生成用户数据

返回200但是没有写入数据库

class User(Base):
   id = Column(Integer, primary_key=True)
   email = Column(String(24), unique=True, nullable=False)
   nickname = Column(String(24), unique=True)
   auth = Column(SmallInteger, default=1)
   _password = Column('password', String(100))

   @property
   def password(self):
       return self._password

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

   @staticmethod
   def register_by_email(nickname, account, secret):
       with db.auto_commit():
           user = User()
           user.nickname = nickname
           user.email = account
           user.password = secret
           db.session.add(user) 

* Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)

 * Restarting with stat

 * Debugger is active!

 * Debugger PIN: 273-761-747

127.0.0.1 - - [19/Aug/2018 12:37:28] "POST /v1/client/register HTTP/1.1" 200 -

127.0.0.1 - - [19/Aug/2018 12:38:49] "POST /v1/client/register HTTP/1.1" 200 

post：

{"account":"777@qq.com", "secret":"123456", "type":999, "nickname":"natume"}