mrz

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]

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")

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:

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')

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 **xxx 做成中**
+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 **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 **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**