毕业设计｜SSM+VUE的旅游平台系统（三）

@Service
public class NewsServiceImpl implements NewsService {
    @Autowired
    private NewsDao newsDao;
    /**
     * 根据id查询分页
     * @param page
     * @return
     */
    @Override
    public PageInfo queryById(Page<DicNechannel> page) {
        PageHelper.startPage(page.getPageNo(), page.getPageSize());
        PageInfo pageInfo = new PageInfo(newsDao.queryById(page.getData()));
        return pageInfo;
    }
    @Override
    public PageInfo queryByParam(Page<News> page) {
        PageHelper.startPage(page.getPageNo(),page.getPageSize());
        PageInfo pageInfo = new PageInfo(newsDao.queryByParam(page.getData()));
        System.out.println(pageInfo);
        return pageInfo;
    }
    @Override
    public int add(News news) {
        news.setCjtime(DateUtil.getDate());
        news.setUpdatetime(DateUtil.getDate());
        return newsDao.add(news);
    }
    @Override
    public int update(News news) {
        news.setUpdatetime(DateUtil.getDate());
        return newsDao.update(news);
    }
    /**
     * 首页查询
     * @return
     */
    @Override
    public List<News> queryBy() {
        return newsDao.queryBy();
    }
    @Override
    public int deleteById(Integer id) {
        return newsDao.deleteById(id);
    }
}