}
public CmsGuestbookExt update(CmsGuestbookExt ext) {
Updater<CmsGuestbookExt> updater = new Updater<CmsGuestbookExt>(ext);
CmsGuestbookExt entity = dao.updateByUpdater(updater);
entity.blankToNull();
return entity;
}
private CmsGuestbookExtDao dao;