from sqlalchemy import DATETIME,Date,Column,Integer,ForeignKey,String
from util.database import Base,engine
from datetime import datetime

class ClassManagement(Base):
    __tablename__ = "wl_class"

    class_id= Column(Integer, primary_key=True, autoincrement=True,comment='班级编号')

    class_name = Column(String(100), comment='班级姓名')

    start_class_date = Column(Date,comment='开课时间')

    head_teacher_id= Column(Integer,ForeignKey('wl_teacher.id'),comment='班主任')

    class_teacher_id = Column(Integer,ForeignKey('wl_teacher.id'),comment='授课教师')

    Entry_date= Column(DATETIME,default=datetime.now,comment='录入时间')

    update_date = Column(DATETIME,default=datetime.now,onupdate=datetime.now,comment='更新时间')

    delete_status = Column(
        Integer,default=0,comment='删除状态：0未删除，1已删除')

    delete_time = Column(DATETIME,default=datetime.now,onupdate=datetime.now,comment='删除时间')

Base.metadata.create_all(engine)