class RecommendBean { int? code; String? msg; RecommendData? data; RecommendBean.fromMap(Map map) { code = map['code']; msg = map['msg']; data = map['data'] != null ? RecommendData.fromMap(map['data']) : null; } } class RecommendData { List? ids; RecommendData.fromMap(Map map) { if (map['ids'] != null) { ids = List.from(map['ids']); } } }