就业模块修改

dao/wl_emp_dao.py

@@ -17,18 +17,14 @@ class EmpDAO:
 
     @staticmethod
     def list_emps(db: Session, skip: int = 0, limit: int = 100, company_name: str = None):
-        """查询就业列表，顺带把学生姓名带上"""
+        """查询就业列表"""
         q = db.query(Emp).filter(Emp.is_deleted == 0)
         if company_name:
             q = q.filter(Emp.company_name.like(f"%{company_name}%"))
 
         emp_list = q.offset(skip).limit(limit).all()
         for e in emp_list:
-            stu = db.query(Student).filter(
-                Student.stu_no == e.stu_no,
-                Student.is_deleted == 0,
-            ).first()
-            e.stu_name = stu.stu_name if stu else None
+            e.stu_name = e.student.stu_name
         return emp_list
 
     @staticmethod
@@ -38,9 +34,7 @@ class EmpDAO:
             Emp.stu_no == stu_no,
             Emp.is_deleted == 0,
         ).first()
-        if emp:
-            stu = EmpDAO.get_student(db, stu_no)
-            emp.stu_name = stu.stu_name if stu else None
+        emp.stu_name =emp.student.stu_name
         return emp
 
     @staticmethod