.

app.py

@@ -81,10 +81,9 @@ def load_indices_from_es(key: str, index: str, buf: Dict[str, Any]) -> Any:
         return None
     
 
-
 def extract_index_structure(es_client, index_name):
     """
-    扫描 Elasticsearch 索引中的一个文档，提取字段结构（包括嵌套字段），生成包含所有字段的层级关系和类型信息。
+    扫描 Elasticsearch 索引中的一个文档，递归提取字段结构（包括嵌套字段），生成包含所有字段的层级关系和类型信息。
     
     :param es_client: Elasticsearch 客户端实例
     :param index_name: 要提取的索引名称
@@ -103,15 +102,17 @@ def extract_index_structure(es_client, index_name):
             if isinstance(doc, dict):
                 for key, value in doc.items():
                     full_key = f"{parent_key}.{key}" if parent_key else key
-                    if full_key not in existing_fields:
-                        existing_fields[full_key] = type(value).__name__
                     if isinstance(value, dict):
+                        existing_fields[full_key] = "dict"
                         parse_document(value, full_key, existing_fields)
-                    elif isinstance(value, list) and len(value) > 0:
-                        if isinstance(value[0], dict):
+                    elif isinstance(value, list):
+                        if len(value) > 0 and isinstance(value[0], dict):
+                            existing_fields[full_key] = "list[dict]"
                             parse_document(value[0], full_key, existing_fields)
-                        else:
+                        elif len(value) > 0:
                             existing_fields[full_key] = f"list[{type(value[0]).__name__}]"
+                        else:
+                            existing_fields[full_key] = "list[empty]"
                     else:
                         existing_fields[full_key] = type(value).__name__
             elif isinstance(doc, list):
@@ -119,7 +120,7 @@ def extract_index_structure(es_client, index_name):
                     if isinstance(doc[0], dict):
                         parse_document(doc[0], parent_key, existing_fields)
                     else:
-                        existing_fields[parent_key] = f"list[{type(doc[0]).__name__}]"
+                        existing_fields[f"{parent_key}[]"] = type(doc[0]).__name__
             else:
                 existing_fields[parent_key] = type(doc).__name__
             
@@ -136,7 +137,6 @@ def extract_index_structure(es_client, index_name):
         return {}
 
 
-
 @app.route('/')
 def index():
     # 默认展示第一个客户