修复数组不能同时增加多个元素

backend/dvadmin/system/views/system_config.py

@@ -170,14 +170,21 @@ class SystemConfigViewSet(CustomModelViewSet):
 
     def save_content(self, request):
         body = request.data
-        data_mapping = {item['id']: item for item in body}
+        data_mapping = {item['id']: item for item in body if item['id'] is not None}
+        create_list = list()
         for obj_id, data in data_mapping.items():
             instance_obj = SystemConfig.objects.filter(id=obj_id).first()
             if instance_obj is None:
                 # return SystemConfig.objects.create(**data)
-                serializer = SystemConfigCreateSerializer(data=data)
+                # serializer = SystemConfigCreateSerializer(data=data)
+                create_list.append(data)
             else:
                 serializer = SystemConfigCreateSerializer(instance_obj, data=data)
+                if serializer.is_valid(raise_exception=True):
+                    serializer.save()
+        create_list += [item for item in body if item['id'] is None]
+        for data in create_list:
+            serializer = SystemConfigCreateSerializer(data=data)
             if serializer.is_valid(raise_exception=True):
                 serializer.save()
         websocket_push("dvadmin", message={"sender": 'system', "contentType": 'SYSTEM',