Merge remote-tracking branch 'origin/conding' into conding

PythonProject/dao/cla_dao.py

@@ -1,6 +1,7 @@
 from model.all_model import ClassManagement
 from fastapi import HTTPException
 from schema.cla_schema import claRequest
+from datetime import datetime
 
 
 def add_class_dao(c: claRequest, session):
@@ -34,7 +35,7 @@ def update_class_dao(id:int,req:claRequest,session):
 def delete_class_dao(id:int,session):
     try:
         session.query(ClassManagement).filter(ClassManagement.class_id==id,ClassManagement.delete_status==0)\
-        .update({'delete_status': 1})
+        .update({'delete_status': 1,'delete_time': datetime.now()})
         session.commit()
     except:
         raise HTTPException(status_code=404, detail="删除异常,请重新核对之后删除！")

PythonProject/dao/statistics_dao.py

@@ -38,8 +38,11 @@ def select_all(db):
                 "gender": i.gender,
                 "cnt": i.cnt
             })
-
+        if not l2:
+            raise HTTPException(status_code=404, detail="没有数据")
         return l2
+    except HTTPException:
+        raise
     except Exception:
         raise HTTPException(status_code=500,detail="查询异常")
 
@@ -66,7 +69,10 @@ def select_score(min_score,max_score,db):
             db = db.filter(WlScore.score >= min_score)
         if max_score is not None:
             db = db.filter(WlScore.score <= max_score)
-        return db.all()
+        l1 = db.all()
+        if not l1:
+            raise HTTPException(status_code=404, detail="没有数据")
+        return l1
     except HTTPException:
         raise
     except Exception:
@@ -80,7 +86,11 @@ def select_avg_score(db):
             .filter(WlScore.delete_status==0,Student_Model.delete_status == 0)\
             .group_by(Student_Model.class_id)\
             .order_by(func.round(func.avg(WlScore.score),1)).all()
+        if not l1:
+            raise HTTPException(status_code=404, detail="没有数据")
         return l1
+    except HTTPException:
+        raise
     except Exception:
         raise HTTPException(status_code=500,detail="查询异常")
 
@@ -102,7 +112,11 @@ def select_salary(db):
             .filter(Employment_info.delete_status==0,Student_Model.delete_status == 0)\
             .order_by(Employment_info.salary.desc())\
             .limit(5).all()
+        if not l1:
+            raise HTTPException(status_code=404, detail="没有数据")
         return l1
+    except HTTPException:
+        raise
     except Exception:
         raise HTTPException(status_code=500,detail="查询异常")
 
@@ -123,19 +137,27 @@ def select_avg_days(db):
                     Employment_info.offer_issuance_date.isnot(None),)\
             .group_by(Student_Model.class_id)\
             .order_by(func.avg(func.datediff(Employment_info.offer_issuance_date,Student_Model.admission_date)).desc()).all()
+        if not l1:
+            raise HTTPException(status_code=404, detail="没有数据")
         return l1
+    except HTTPException:
+        raise
     except Exception:
         raise HTTPException(status_code=500, detail="查询异常")
 
 #统计每个学⽣的就业时⻓
 def select_days(db):
     try:
-        l2 =db.query(Employment_info.stu_id
+        l1 =db.query(Employment_info.stu_id
                     ,func.coalesce(func.datediff(Employment_info.offer_issuance_date
                                    ,Employment_info.employment_opening_date),0)\
                      .label("diff_days")
                      ).filter(Employment_info.delete_status == 0).all()
-        return l2
+        if not l1:
+            raise HTTPException(status_code=404, detail="没有数据")
+        return l1
+    except HTTPException:
+        raise
     except Exception:
         raise HTTPException(status_code=500, detail="查询异常")
 
@@ -160,3 +182,15 @@ def classify_salary(db):
     except:
         raise HTTPException(status_code=500,detail='查询异常！')
 
+#统计每个班的平均就业薪资
+def avg_salary(db):
+    try:
+        l=db.query(Student_Model.class_id,func.avg(Employment_info.salary).label('avg_salaries'))\
+        .join(Employment_info,Employment_info.stu_id == Student_Model.stu_id)\
+        .filter(Employment_info.salary>0,Employment_info.delete_status==0,Student_Model.delete_status==0)\
+        .group_by(Student_Model.class_id)\
+        .order_by(func.avg(Employment_info.salary).desc()).all()
+        return l
+    except:
+        raise HTTPException(status_code=500,detail='统计异常！')
+