getAvaPics method
获取系统的预设头像
Implementation
Future<List<SystemPic>> getAvaPics() async {
final resutl = await util.get('$userApiUrl/ava-pics', isTaokeApi: false);
return resutl.isNotEmpty
? List<SystemPic>.from(
(jsonDecode(resutl) as List<dynamic>).map((e) => SystemPic.fromJson(e))).toList()
: <SystemPic>[];
}