54 lines
1.5 KiB
Python
54 lines
1.5 KiB
Python
# dao/users_dao.py
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# 本文件封装对 Teacher表的所有数据库操作（增、删、改、查）
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# dao/teacher_dao.py
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# 本文件封装对 Teacher表的所有数据库操作（增、删、改、查）
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# dao/teacher_dao.py
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# 本文件封装对 Teacher表的所有数据库操作（增、删、改、查）
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# dao/teacher_dao.py
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# 本文件封装对 Teacher表的所有数据库操作（增、删、改、查）
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# dao/teacher_dao.py
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# 本文件封装对 Teacher表的所有数据库操作（增、删、改、查）
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from sqlalchemy.orm import Session
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from model.teacher import Teacher
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#新增
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def add_teacher(db:Session, teacher_no:str, name:str, phone:str):
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new_teacher=Teacher(
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teacher_no=teacher_no,
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name=name,
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phone=phone
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)
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db.add(new_teacher)
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db.commit()
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db.refresh(new_teacher)
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return new_teacher
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#查 根据id
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def get_teacher_by_id(db:Session,id:int):
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return db.query(Teacher).filter(Teacher.id == id, Teacher.is_deleted == 0).first()
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#逻辑删除
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def delete_teacher_logic(db:Session,id:int):
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teacher=get_teacher_by_id(db,id)
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if not teacher:
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return None
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teacher.is_deleted=1
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db.commit()
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return teacher
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#修改
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def update_teacher_logic(db:Session, id:int, new_name:str=None, new_phone:str=None):
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teacher = get_teacher_by_id(db, id)
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if not teacher:
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return None
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if new_name is not None:
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teacher.name = new_name
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if new_phone is not None:
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teacher.phone = new_phone
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db.commit()
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db.refresh(teacher)
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return teacher
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