From 46c03a9634b25c12a9b2231d0d541c02b4df669f Mon Sep 17 00:00:00 2001 From: maruizhi <3088243241@qq.com> Date: Mon, 21 Sep 2026 15:19:44 +0800 Subject: [PATCH] mrz --- PythonProject/api/statistics_api.py | 20 +++++++++++++ PythonProject/dao/statistics_dao.py | 46 +++++++++++++++++++++++++++++ PythonProject/dao/student_dao.py | 29 +----------------- PythonProject/model/all_model.py | 11 +++---- 需求文档.md | 6 ++-- 5 files changed, 76 insertions(+), 36 deletions(-) create mode 100644 PythonProject/api/statistics_api.py create mode 100644 PythonProject/dao/statistics_dao.py diff --git a/PythonProject/api/statistics_api.py b/PythonProject/api/statistics_api.py new file mode 100644 index 0000000..0135d31 --- /dev/null +++ b/PythonProject/api/statistics_api.py @@ -0,0 +1,20 @@ +from fastapi import APIRouter +from dao.statistics_dao import select_all,select_age,select_score +from schema.student_schema import StudentResponse + +StudentAPI = APIRouter() + +@StudentAPI.get("/age",response_model=StudentResponse,tags=['统计分析模块'],description='根据年龄查询学生信息') +def get_students(min_age:int|None=None,max_age:int|None=None): + l = select_age(min_age,max_age) + return [i for i in l] + +@StudentAPI.get("/all",response_model=StudentResponse,tags=['统计分析模块'],description='统计每个班级的学员总数和男女生总数') +def get_students(): + l = select_all() + return [i for i in l] + +@StudentAPI.get("/score",response_model=StudentResponse,tags=['统计分析模块'],description='根据成绩查询学生信息') +def get_students(min_score:int|None=None,max_score:int|None=None): + l = select_score(min_score,max_score) + return [i for i in l] \ No newline at end of file diff --git a/PythonProject/dao/statistics_dao.py b/PythonProject/dao/statistics_dao.py new file mode 100644 index 0000000..bb9c068 --- /dev/null +++ b/PythonProject/dao/statistics_dao.py @@ -0,0 +1,46 @@ +from fastapi import HTTPException,Depends +from sqlalchemy import func +from model.all_model import Student_Model,WlScore +from util.database import get_db + +# 实现根据年龄查询学生信息的功能 +def select_age(min_age,max_age,session=Depends(get_db)): + try: + if min_age is None and max_age is None: + raise HTTPException(status_code=400, detail="请至少传入一个参数") + session = session.query(Student_Model) + if min_age is not None: + session = session.filter(Student_Model.age >= min_age,Student_Model.delete_status == 0) + if max_age is not None: + session = session.filter(Student_Model.age <= max_age,Student_Model.delete_status == 0) + return session.all() + except HTTPException: + raise + except Exception: + raise HTTPException(status_code=500,detail="查询异常") + +# 实现统计每个班级的学员总数以及男女生的总数的功能 +def select_all(session=Depends(get_db)): + print('1234') + try: + l1 = session.query(Student_Model.class_id,func.count(1)).group_by(Student_Model.class_id,Student_Model.gender).all() + return l1 + except Exception: + raise HTTPException(status_code=500,detail="查询异常") + +# 实现根据成绩查询学员信息的功能 +def select_score(min_score,max_score,session=Depends(get_db)): + try: + if min_score is None and max_score is None: + raise HTTPException(status_code=400, detail="请至少传入一个参数") + session = session.query(Student_Model,WlScore.score,WlScore.score)\ + .join(WlScore,WlScore.stu_id == Student_Model.stu_id,WlScore.delete_status==0,WlScore.delete_status == 0) + if min_score is not None: + session = session.filter(WlScore.score >= min_score) + if min_score is not None: + session = session.filter(WlScore.score <= max_score) + return session.all() + except HTTPException: + raise + except Exception: + raise HTTPException(status_code=500,detail="查询异常") \ No newline at end of file diff --git a/PythonProject/dao/student_dao.py b/PythonProject/dao/student_dao.py index 3bbf451..a477fd8 100644 --- a/PythonProject/dao/student_dao.py +++ b/PythonProject/dao/student_dao.py @@ -1,34 +1,7 @@ -from fastapi import HTTPException,Depends +from fastapi import Depends from util.database import get_db from model.all_model import Student_Model from typing import List, Optional, Dict, Any -from sqlalchemy import func - -# 实现根据年龄查询学生信息的功能 -def select_age(min_age,max_age,session=Depends(get_db)): - try: - if min_age is None and max_age is None: - raise HTTPException(status_code=400, detail="请至少传入一个参数") - session = session.query(Student_Model) - if min_age is not None: - session = session.filter(Student_Model.age >= min_age,Student_Model.delete_status == 0) - if max_age is not None: - session = session.filter(Student_Model.age <= max_age,Student_Model.delete_status == 0) - return session.all() - except HTTPException: - raise - except Exception: - raise HTTPException(status_code=500,detail="查询异常") - -# 实现统计每个班级的学员总数以及男女生的总数的功能 -def select_all(session=Depends(get_db)): - print('1234') - try: - l1 = session.query(Student_Model.class_id,func.count(1)).group_by(Student_Model.class_id,Student_Model.gender).all() - print(l1) - return l1 - except Exception: - raise HTTPException(status_code=500,detail="查询异常") def add_student_dao(o,db=Depends(get_db)): try: diff --git a/PythonProject/model/all_model.py b/PythonProject/model/all_model.py index 00fca11..a2be52c 100644 --- a/PythonProject/model/all_model.py +++ b/PythonProject/model/all_model.py @@ -10,11 +10,6 @@ class Student_Model(Base): , autoincrement=True ,comment='学生编号') - class_id=Column(Integer - ,ForeignKey('wl_class.class_id') - ,nullable=False - ,comment='班级编号') - stu_name=Column(String(100),comment='学生姓名') age=Column(Integer,comment='年龄') @@ -54,6 +49,12 @@ class ClassManagement(Base): class_id= Column(Integer, primary_key=True, autoincrement=True,comment='班级编号') + stu_id = Column(Integer + ,ForeignKey('wl_student.stu_id') + ,nullable=False + ,comment='学生编号' + ) + class_name = Column(String(100), comment='班级姓名') start_class_date = Column(DATE,comment='开课时间') diff --git a/需求文档.md b/需求文档.md index 741fc92..2df2681 100644 --- a/需求文档.md +++ b/需求文档.md @@ -54,9 +54,9 @@ dao层（每一个功能就是一个函数，判断能否功能复用） 统计分析模块 实现根据年龄查询学生信息的功能 **mrz 已作成** -实现统计每个班级的学员总数以及男女生的总数的功能 **mrz 做成中** -实现根据成绩查询学员信息的功能 **xxx 做成中** -实现统计每次考试每个班级的平均分并排序的功能 **xxx 做成中** +实现统计每个班级的学员总数以及男女生的总数的功能 **mrz 已作成** +实现根据成绩查询学员信息的功能 **mrz 已作成** +实现统计每次考试每个班级的平均分并排序的功能 **mrz 做成中** 实现统计薪资最高的前五名的学员信息 **sgt 做成中** 实现查询每个学生的就业时长 **xxx 做成中** 实现统计每个班级的平均就业时长 **xxx 做成中**