public class HotelDetailThread implements Callable {
    private static final Logger log = Logger.getLogger(HotelDetailThread.class);
    private HotelDao hotelDao;
    private List listHotelId;
    private String index;
    
    public HotelDetailThread(List listHotelId, String index,HotelDao hotelDao) {
        this.listHotelId = listHotelId;
        this.index = index;
        this.hotelDao = hotelDao;
    }

    public Object call() throws Exception {
        for (int i = 0; i < listHotelId.size(); i++) {
            HotelEntity hotelId = (HotelEntity) listHotelId.get(i);
            hotelDao.modifyHotelEntity(hotelId); // 执行更新操作
        }
        return "";
    }
}

ExecutorService pool = Executors.newCachedThreadPool();
        for (int i = 1; i <= maxPage; i++) {
            PageListBean bean = new PageListBean();
            bean.setCurrentPage(i);
            List pagerList = bean.getPaper(listStr, pageSize);
            Callable c = new HotelDetailThread(pagerList, i+"",hotelDao);
            pool.submit(c);
        }
        pool.shutdown();