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



class ClassManagement(Base):

    __tablename__ = "wl_class"

    class_id= Column(Integer, primary_key=True,comment='id')

    class_num= Column(Integer, comment='班级编号')

    class_name = Column(String(100), comment='班级名字')

    start_class_date=Column(Date,default=date.today,comment='开班时间')

    plan_over_class_date = Column(Date,default=date.today,comment='计划结课时间')

    real_over_class_date= Column(Date,default=date.today,comment='实际结课时间')

    Entry_date = Column(DATETIME, default=datetime.now, comment='数据创建时间')

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

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

    delete_time = Column(DATETIME,comment='删除时间')