cdnUrlListToJson method
将 cdnUrlList 转换为Json格式
Implementation
List<Map<String, dynamic>> cdnUrlListToJson() {
List<Map<String, dynamic>> listJson = [];
if (this.cdnUrlList.isNotEmpty) {
for (var url in this.cdnUrlList) {
listJson.add(url.toJson());
}
}
return listJson;
}