add update ext attr

update_jd_attr.py

@@ -126,11 +126,24 @@ def update_jd_attr_by_class(conf: dict):
 
 
 
-def update_ext_attr_by_class_ids():
+def update_ext_attr_by_class_ids(conf: dict):
     """
     基于lie_shop_attr中的class_id来更新 “拓展” 属性
     """
-    pass
+    host = conf["host"]
+    port = conf["port"]
+    user = conf["user"]
+    password = conf["password"]
+    database = conf["database"]
+    db = pymysql.connect(host=host, port=port, user=user, password=password, database=database)
+    select_sql = "select distinct class_id from lie_shop_attr"
+    cursor = db.cursor()
+    cursor.execute(query=select_sql)
+    results = cursor.fetchall()
+    class_ids = []
+    for i in range(len(results)):
+        class_ids.append(results[i][0])
+