我无法将地图类型保存在我的框中,songInfo
属性
@Entity()
class PlaylistItem {
int id = 0;
int recentIndex;
Map<String, Object> songInfo;
PlaylistItem({
this.recentIndex = 0,
this.songInfo = const <String, Object>{} ,
});
}
当我运行时:flutter pub run build_runner build
它忽略songInfo
警告:skipping property 'songInfo' in entity 'PlaylistItem', as it has an unsupported type: 'Map<String, Object>'
为什么 Map 是不受支持的类型?如何存储地图?请我需要帮助(欢迎举个例子)