function _class() {
      _classCallCheck(this, _class);
      return _callSuper(this, _class, arguments);
    }
@author: general
@website: note.generals.space
@email: generals.space@gmail.com
@github: https://github.com/generals-space/bootstrap-table-addrbar
@update: zhixin wen <wenzhixin2010@gmail.com>