@Override
 public PaginationResult<OnlineUsers> selectPagination(DynamicSqlParameter param) {
   // TODO Auto-generated method stub
   return onlineUsersDao.selectPagination(param);
 }
 @Override
 public int count(DynamicSqlParameter param) {
   // TODO Auto-generated method stub
   return onlineUsersDao.count(param);
 }