Hibernate search method-优快云博客

本文介绍了一个基于Hibernate实现的新闻数据分页查询及搜索功能的具体代码实现。该实现包括了分页获取新闻列表、统计新闻总数以及按标题或内容模糊搜索新闻的功能。

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    @SuppressWarnings("unchecked")
    public List<NewsBean> findNewsListByPaging(final int pageIndex,final int pageSize) {
        return (List<NewsBean>) getHibernateTemplate().execute( new HibernateCallback(){
            public Object doInHibernate(Session session) throws HibernateException, SQLException {
                return session.createQuery("FROM NewsBean n order by n.newsId").setFirstResult((pageIndex-1)*pageSize).setMaxResults(pageSize).list();
            }
        });
    }

    public Object findNewsCount() {
        return getHibernateTemplate().execute(new HibernateCallback(){
            public Object doInHibernate(Session session)throws HibernateException, SQLException {
                return session.createQuery("SELECT COUNT(*) FROM NewsBean").uniqueResult();
            }
        });
    }

    /* search news */
    @SuppressWarnings("unchecked")
    public List<NewsBean> selectNewsList(final NewsBean newsBean) {
        return (List<NewsBean>) getHibernateTemplate().execute(new HibernateCallback(){
            public Object doInHibernate(Session session)throws HibernateException, SQLException {
                Criteria qbc = session.createCriteria(NewsBean.class);
                if(null!=newsBean){
                    if(null!=newsBean.getNewsTitle() && !"".equals(newsBean.getNewsTitle().trim())){
                        qbc.add(Restrictions.like("newsTitle", newsBean.getNewsTitle(),MatchMode.ANYWHERE));
                    }
                    if(null!=newsBean.getContent() && !"".equals(newsBean.getContent().trim())){
                        qbc.add(Restrictions.like("content", newsBean.getContent(),MatchMode.ANYWHERE));
                    }
                }
                return qbc.list();
            }
        });
    }