#导入创造引擎、定义类模块、数据类型模块、连接符模块
from sqlalchemy import Column, Integer, String, Date, Float, ForeignKey
#导入基类
from database import Base
#定义就业基础模块
class EmploymentBase(Base):
    __tablename__="employment_base"
    stu_id=Column(Integer,ForeignKey("student.stu_id"),primary_key=True)
    employment_open_time=Column(Date)
    job_time=Column(Date)
    company_name=Column(String(100))
    salary=Column(Float)
    is_deleted=Column(Integer,default=0)
#定义就业协议模块
class EmploymentOffer(Base):
    __tablename__="employment_offer"
    stu_id=Column(Integer,primary_key=True)
    offer_id=Column(Integer,primary_key=True)
    offer_time=Column(Date)
    is_deleted=Column(Integer,default=0)