/// 报警数据模型 class AlertModel { final String id; final String title; final String level; final String station; final String content; final String time; bool isRead; AlertModel({ required this.id, required this.title, required this.level, required this.station, required this.content, required this.time, this.isRead = false, }); factory AlertModel.fromJson(Map json) { return AlertModel( id: json['id']?.toString() ?? '', title: json['title'] ?? '', level: json['level'] ?? 'info', station: json['station'] ?? '', content: json['content'] ?? '', time: json['time'] ?? '', isRead: json['isRead'] ?? false, ); } Map toJson() { return { 'id': id, 'title': title, 'level': level, 'station': station, 'content': content, 'time': time, 'isRead': isRead, }; } }