demo/xinhuaribao/lib/model/activity_banner_model.dart

class ActivityBannerModel {
  String? contentId;
  String? title;
  String? type;   //点击banner跳转 activity->富文本+视频. ,article->富文本  column->专题
  String? image;
  String? contentType; //article   video
  String? sourceId;

  ActivityBannerModel({
    this.contentId,
    this.title,
    this.type,
    this.image,
    this.contentType,
    this.sourceId,
  });
  ActivityBannerModel.fromJson(Map<String, dynamic> json) {
    contentId = json['contentId']?.toString();
    title = json['title']?.toString();
    type = json['type']?.toString();
    image = json['image']?.toString();
    contentType = json['contentType']?.toString();
    sourceId = json['sourceId']?.toString();
  }
  Map<String, dynamic> toJson() {
    final data = <String, dynamic>{};
    data['contentId'] = contentId;
    data['title'] = title;
    data['type'] = type;
    data['image'] = image;
    data['contentType'] = contentType;
    data['sourceId'] = sourceId;
    return data;
  }
}