clear method

Future<bool> clear()

清空关联对象

Implementation

Future<bool> clear() async {
  if (object.objectId.isEmpty) throw Exception('object objectId is empty');
  if (list.isEmpty) return true;
  var data = await BmobNetHelper.init().put(
    '/1/classes/${object.getBmobTabName()}/${object.objectId}',
    body: {key: _removeJson(list)},
  );
  if (data != null && data.containsKey('updatedAt')) {
    list.clear();
    return true;
  }
  return false;
}