Further improvement of teacher functions

-Query student information

EduSystemServer/teacher/views.py

@@ -303,6 +303,31 @@ def course_selection(request):
         except IntegrityError:
             response = ResponseUtil.error("插入数据失败：tid_id 列不能为 null")
             return JsonResponse(response)
+    if request.method == 'GET':
+        cid = request.GET.get('cid')
+        name = request.GET.get('name')
+        type = request.GET.get('type')
+        credit = request.GET.get('credit')
+        tid = request.GET.get('tid')
+        # 定义空查询条件
+        conditions = Q()
+        if cid:
+            conditions &= Q(cid=cid)
+        if name:
+            conditions &= Q(name=name)
+        if type:
+            conditions &= Q(type=type)
+        if credit:
+            conditions &= Q(credit=credit)
+        if tid:
+            conditions &= Q(tid=tid)
+        # 添加非空查询条件至基本查询集
+        query = Course.objects.filter(conditions)
+        data = query.values()  # 将 QuerySet 对象转换为字典列表
+        data = list(data)  # 转换为列表以便序列化为 JSON
+        print(query)
+        response = ResponseUtil.ok(data, "课程信息查询成功")
+        return JsonResponse(response)
     if request.method == 'DELETE':
         parser = MultiPartParser(request.META, BytesIO(request.body), request.upload_handlers, request.encoding)
         posdict = parser.parse()