from pydantic import BaseModel           # 导入pydantic模块下的BaseModel类
from datetime import datetime,date       # 导入datetime模块下的datetime,date类


# ————定义"创建班级"的"请求体"模型————
class ClassCreate( BaseModel ):
    class_no: str
    class_name: str

# ————定义"更新班级"的"请求体"模型————
class ClassUpdate( BaseModel ):
    class_no: str|None = None
    class_name: str|None = None
    start_date : date|None = None
    end_date : date|None = None
    created_at : datetime|None = None
    update_at : datetime|None = None

# ————定义"班级"的"响应体"模型————
class ClassResponse( BaseModel ):
    code:int = 200
    detail:str = '执行成功'
    total:int = 0
    data:str|dict|list|tuple