马睿智牛逼！

# Conflicts:
#	PythonProject/api/statistics_api.py

PythonProject/api/statistics_api.py

@@ -40,3 +40,8 @@ def get_days(db=Depends(get_db)):
 def get_emp(db=Depends(get_db)):
     l= select_days(db)
     return l
+
+@StatisticsAPI.get('/salaries',summary='统计薪资分布')
+def get_salaries(db=Depends(get_db)):
+    s=classify_salary(db)
+    return s

PythonProject/dao/statistics_dao.py

@@ -131,4 +131,26 @@ def select_days(db):
                      ).filter(Employment_info.delete_status == 0).all()
         return l2
     except Exception:
-        raise HTTPException(status_code=500, detail="查询异常")
+        raise HTTPException(status_code=500, detail="查询异常")
+
+
+# 薪资区间分布：统计薪资在5k以下、5k-10k、10k-15k、15k以上的人数分布，反映学生的整体就业质量。
+def classify_salary(db):
+    try:
+        a=b=c=d=0
+        l=db.query(Employment_info).filter(Employment_info.delete_status==0).all()
+        for i in l:
+            if i.salary is None:
+                continue
+            elif i.salary<5000:
+                a+=1
+            elif 5000<=i.salary<10000:
+                b+=1
+            elif 10000<=i.salary<15000:
+                c+=1
+            else:
+                d+=1
+        return {'5k以下': a, '5k-10k': b, '10k-15k': c, '15k': d}
+    except:
+        raise HTTPException(status_code=500,detail='查询异常！')
+