public List<Post> findPosts() {        String hql = "from Post p left join fetch p.user";        List<Post> list= null;        list = (List<Post>) this.ht.find(hql);        return list;    }

    @Transactional(propagation=Propagation.REQUIRED)    public List<Post> findPosts2() {        List<Post> list= null;        DetachedCriteria dc = DetachedCriteria.forClass(Post.class);        list = (List<Post>) this.ht.findByCriteria(dc);        return list;    }    

    @Transactional(propagation=Propagation.REQUIRED)    public List<Post> findPosts3() {        List<Post> list= null;        list = (List<Post>) this.ht.findByExample(new Post());        return list;    }

　　@Transactional(propagation= Propagation.REQUIRED)    public List<Post> findPostByUser(String userid) {        String hql = "from Post p where p.user.userid = :userid";        List<Post> list= null;        try{        list = (List<Post>) this.ht.findByNamedParam(hql, "userid",userid);//list = (List<Post>) this.ht.findByNamedParam(hql, new String[]{"userid"},new String[]{userid})

}catch(Exception e){ e.printStackTrace(); } return list; }

    @Transactional(propagation=Propagation.REQUIRED)    public List<Post> findPosts(int start,int limit) {        String hql = "from Post p left join fetch p.user";        List<Post> list= null;        DetachedCriteria dc = DetachedCriteria.forClass(Post.class);        list = (List<Post>) this.ht.findByCriteria(dc, start, limit);//this.ht.findByExample(new Post(), start, limit);        return list;    }

     @Transactional(propagation=Propagation.REQUIRED)    public List<Post> findPosts4() {        String sql = "select * from post";        List<Post> list= null;        list = (List<Post>) this.ht.getSessionFactory().getCurrentSession().createSQLQuery(sql).list();        return list;    }