private static void query() {

        Student student=new Student();
        //建立離線正則物件
        DetachedCriteria detachedCriteria=DetachedCriteria.forClass(Student.class);
        //select name,age from t_student where sex='男'
        detachedCriteria.setProjection(
                Projections.projectionList
 
()
                .add(Projections.property("name"))
                .add(Projections.property("age"))
            );
        detachedCriteria.add(Restrictions.eq("sex", "男"));



        Session session=HibernateUtils.getSession();
        //根據離線正則傳遞session物件後返回正則物件
        Criteria criteria=detachedCriteria.getExecutableCriteria
 
(session);
        List<Object[]> list=criteria.list();
        for(Object[] objs:list){
            System.out.println(Arrays.toString(objs));
        }



    }

Session session=HibernateUtils.getSession();



        //當檢索結果不是實體時的用法
         String sql="select name,age,sex from t_student where sex=?"
 
;
        SQLQuery sqlQuery=session.createSQLQuery(sql);
        sqlQuery.setString(0, "男");
        List<Object[]> list=sqlQuery.list();
        for(Object[] objs:list){
            System.out.println(Arrays.toString(objs));
        }


        //將檢索結果是實體時
        String sql="select id,name,age,sex,email from t_student where sex=?";
        SQLQuery sqlQuery=session.createSQLQuery(sql);
        sqlQuery.setString(0, "男");
        //給sqlQuery關聯實體
        sqlQuery.addEntity(Student.class);
        List<Student> list=sqlQuery.list();
        for(Student stu:list){
            System.out.println(stu);
        }