watermarkListToJson method

List<Map<String, dynamic>> watermarkListToJson()

将 watermarkList 转换为 Json 格式

Implementation

List<Map<String, dynamic>> watermarkListToJson() {
  List<Map<String, dynamic>> listJson = [];
  if (this.watermarkList.isNotEmpty) {
    for (var watermark in this.watermarkList) {
      listJson.add(watermark.toJson());
    }
  }
  return listJson;
}