student_manage_system/stu_jiuye/model.py

from sqlalchemy import ForeignKey

from database import DATETIME,Base,Column,Integer,String,engine
from datetime import datetime


# class Student(Base):
#     __tablename__ = 'Student'
#     id = Column(Integer
#                 , primary_key=True
#                 , autoincrement=True
#                 # 外键
#                 ,comment='自增主键'
#                 )
#     stuname = Column(String(50)
#                 ,nullable=False
#                   )
#     stuid=Column(Integer
#                  ,nullable=False
#                  )
#     stuclass=Column(String(50)
#                 ,nullable=False
#     )
#     created_date = Column(DATETIME
#                           ,default=datetime.now
#                           )
#     updated_date = Column(DATETIME
#                           ,default=datetime.now
#                           ,onupdate=datetime.now
#                           )


class Employments(Base):
    __tablename__ = 'Employments'
    id = Column(Integer
                , primary_key=True
                , autoincrement=True
                # , ForeignKey='student.id'
                , comment='自增主键'
                )
    stuname = Column(String(50))
    stuclass = Column(String(50))

    compname=Column(String(50)
                    ,nullable=False
                   )
    company_id = Column(Integer
                        , nullable=False

                        )

    salary = Column(Integer)

    employment_open_date = Column(DATETIME)

    offer_date = Column(DATETIME)

    created_date = Column(DATETIME
                          , default=datetime.now
                          )
    updated_date = Column(DATETIME
                          , default=datetime.now
                          , onupdate=datetime.now
                          )
    is_deleted = Column(Integer, default=0)

class Company(Base):
    __tablename__ = 'Company'
    id = Column(Integer
                , ForeignKey('Employments.company_id')
                , primary_key=True

                )
    compname = Column(String(50), nullable=False)
    address_id = Column(Integer
                        , nullable=False
                        )
    created_date = Column(DATETIME
                          , default=datetime.now
                          )
    updated_date = Column(DATETIME
                          , default=datetime.now
                          , onupdate=datetime.now
                          )
    is_deleted = Column(Integer, default=0)

class Address(Base):
    __tablename__ = 'address'
    id = Column(Integer
                , ForeignKey('Company.address_id')
                , primary_key=True

                )
    somewhere=Column(String(50)
                     , nullable=False
                     )
    created_date = Column(DATETIME
                          , default=datetime.now
                          )
    updated_date = Column(DATETIME
                          , default=datetime.now
                          , onupdate=datetime.now
                          )
    is_deleted = Column(Integer, default=0)