/**
     * 使用sql语句进行查询操作
     * @param sql
     * @return
     */
    public List queryWithSql(final String sql){
        List list = hibernateTemplate.executeFind(new HibernateCallback() {
            public Object doInHibernate(Session session) throws HibernateException,
                    SQLException {
                Query query = session.createSQLQuery(sql);  
                List list = query.list();
                return list;
            }
        });
        return list;
    }