from sqlalchemy import Column, Integer, String, Date, ForeignKey
from sqlalchemy.orm import relationship
from database import Base
#学生信息表模型
class StuInfo(Base):
    __tablename__="stu_info"
    id = Column(String(15),primary_key=True)
    cls_id=Column(String(15),ForeignKey(cls_mgmt.id),nullable=False)
    name=Column(String(20),nullable=False)
    gender=Column(String(1),default="男")
    age=Column(Integer,default=None)
    hometown=Column(String(50),default=None)
    grad_school=Column(String(50),default=None)
    major=Column(String(50),default=None)
    education=Column(String(20),default=None)
    enr_date=Column(Date,default=None)
    grad_date = Column(Date, default=None)
    advisor_id=Column(String(15),ForeignKey(advisor_info.id),default=None)
    state=Column(String(10),default="在读")
    is_deleted=Column(Integer,default=0)
    cls=relationship("ClsMgmt",back_populates="stu")
    adv=relationship("AdvisorInfo",back_populates="stu")