feat: 添加批量导入时将其他格式(csv, excel)解析为Json的接口

apps/common/drf/parsers/base.py

@@ -22,6 +22,7 @@ class BaseFileParser(BaseParser):
     FILE_CONTENT_MAX_LENGTH = 1024 * 1024 * 10
 
     serializer_cls = None
+    serializer_fields = None
 
     def check_content_length(self, meta):
         content_length = int(meta.get('CONTENT_LENGTH', meta.get('HTTP_CONTENT_LENGTH', 0)))
@@ -45,7 +46,7 @@ class BaseFileParser(BaseParser):
 
     def convert_to_field_names(self, column_titles):
         fields_map = {}
-        fields = self.serializer_cls().fields
+        fields = self.serializer_fields
         fields_map.update({v.label: k for k, v in fields.items()})
         fields_map.update({k: k for k, _ in fields.items()})
         field_names = [
@@ -89,7 +90,7 @@ class BaseFileParser(BaseParser):
         构建json数据后的行数据处理
         """
         new_row_data = {}
-        serializer_fields = self.serializer_cls().fields
+        serializer_fields = self.serializer_fields
         for k, v in row_data.items():
             if isinstance(v, list) or isinstance(v, dict) or isinstance(v, str) and k.strip() and v.strip():
                 # 解决类似disk_info为字符串的'{}'的问题
@@ -117,6 +118,7 @@ class BaseFileParser(BaseParser):
             view = parser_context['view']
             meta = view.request.META
             self.serializer_cls = view.get_serializer_class()
+            self.serializer_fields = self.serializer_cls().fields
         except Exception as e:
             logger.debug(e, exc_info=True)
             raise ParseError('The resource does not support imports!')