77 lines
2.2 KiB
Python
77 lines
2.2 KiB
Python
# student_dao：所有数据库的逻辑
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from students.model.students_model import Students
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from students.schema.students_request import *
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# 记得加校验
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# 查询
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def get_student_dao( s , db):
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q = db.query(Students)
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if s.get('sid'):
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q = q.filter( Students.sid == s.sid )
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if s.get('student_name'):
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q = q.filter( Students.student_name == s.student_name )
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if s.get('class_name'):
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q = q.filter(Students.class_name == s.class_name)
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if s.get('job_open_time'):
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q = q.filter(Students.job_open_time == s.job_open_time)
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if s.get('offer_issue_time'):
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q = q.filter(Students.offer_issue_time == s.offer_issue_time)
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if s.get('company_name'):
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q = q.filter(Students.company_name == s.company_name)
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if s.get('salary'):
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q = q.filter(Students.salary >= s.salary)
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s1 = q.all()
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if s1:
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return [{ "学生编号": i.sid
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, "学生姓名": i.student_name
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, "学生班级": i.class_name
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, "就业开放时间": i.job_open_time
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, "offer下发时间": i.offer_issue_time
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, "就业公司名称": i.company_name
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, "就业薪资": i.salary
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} for i in s1
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]
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# 新增
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def add_student_dao( s , db):
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try:
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phone = s.get("student_phone")
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if not phone:
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return None
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else:
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s1 = Students( **s )
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db.add(s1)
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except Exception:
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# 这里可以加日志
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db.rollback()
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return False
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else:
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db.commit()
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db.refresh(s1) # 从数据库再拉一次数据
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return s1
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# 更新
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def update_student_dao( id , update_data , db):
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try:
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rows = db.query( Students ).filter( Students.sid == id ).update( update_data )
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except Exception:
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db.rollback()
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return False
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else:
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db.commit()
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return f"更新了{rows}条学生资料。"
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# 逻辑删除/软删除
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def delete_student_dao(sid, db):
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try:
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rows = db.query( Students ).filter( Students.sid == sid ).delete()
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except Exception:
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db.rollback()
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rows = 0
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else:
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db.commit()
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finally:
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return f"删除了{rows}条学生资料。"
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