@Override
 public int count() {
   return userDao.count();
 }
 @Override
 public User query(String id) {
   return userDao.query(id);
 }
 @Override
 public boolean updateMember(User user) {
   return userDao.updateMember(user);
 }
 @Override
 public List<User> list(int pageNum, int pageSize) {
   return userDao.list(pageNum, pageSize);
 }
 @Override
 public int countByIdentity(String identity) {
   return userDao.countByIdentity(identity);
 }
 @Override
 public List<User> listByIdentity(List<String> identities) {
   return userDao.listByIdentity(identities);
 }
 @Override
 public List<User> listByIdentity(String identity) {
   return userDao.listByIdentity(identity);
 }
 @Override
 public List<User> listAll() {
   return userDao.listAll();
 }
 @Override
 public boolean save(User user) {
   return userDao.save(user);
 }