Integer i = (Integer) session.createQuery("select max(b.xx) from bean as b ").uniqueResult();
我想这样写 String HQL="select new JuBao(jb.bt) (from JuBao jb order by jb.bt) where rownum<=1"; session = this.getHibernateTemplate().getSessionFactory().openSession(); //Query query = session.createQuery(HQL); List<JuBao> list =session.createSQLQuery("SELECT {jb.bt} FROM JuBao {jb} order by jb.bt WHERE rownum<=1") .addEntity("jb", JuBao.class) .list(); 看看那个地方错了,为什么报空指针呀
String HQL="select new JuBao(jb.bt) (from JuBao jb order by jb.bt) where rownum<=1";
session = this.getHibernateTemplate().getSessionFactory().openSession();
//Query query = session.createQuery(HQL);
List<JuBao> list =session.createSQLQuery("SELECT {jb.bt} FROM JuBao {jb} order by jb.bt WHERE rownum<=1")
.addEntity("jb", JuBao.class)
.list();
看看那个地方错了,为什么报空指针呀