class SystemMessageDetailModel { int id; String title; String content; SystemMessageDetailModel({this.id, this.title, this.content}); SystemMessageDetailModel.fromJson(Map<String, dynamic> json) { id = json['id']; title = json['title']; content = json['content']; } Map<String, dynamic> toJson() { final Map<String, dynamic> data = new Map<String, dynamic>(); data['id'] = this.id; data['title'] = this.title; data['content'] = this.content; return data; } }