sql实时提交事务

 public void deleteByHbtlidAndDept(String class_id,String depart_id) {
         Session session =  this.getHibernateTemplate().getSessionFactory().openSession();
         Transaction tran = session.beginTransaction();
         String sql = " delete DC_EQP_DPT_DEF m  where m.class_id = '"+class_id+"' and m.depart_id = '"+depart_id+"' ";
         session.createSQLQuery(sql).executeUpdate();
         tran.commit();
     }

 public NaviInfo saveNaviInfo(NaviInfo naviInfo) {
         Session session =  hibernateTemplate.getSessionFactory().openSession();
         Transaction tran = session.beginTransaction();
         NaviInfo backEntity =(NaviInfo)session.merge(naviInfo);
         tran.commit();
         return backEntity;
     }