java hibernate Criteria 删除数据 delete data 2种方法

	public String deleteByUserAccount(String account) {
　　　　方式一：	
	Session session = this.getCurrentSession();
		Criteria criteria = session.createCriteria(SysUserC.class).add(Restrictions.eq("account", account));
		Object object = criteria.uniqueResult();
		if (object == null) {
			return null;
		} else {
			session.delete((SysUserC)object);
			return "SUCCESS";
		}
	}
　  　方式二：
　　　　　Session session = this.getCurrentSession();String sql = "delete from sys_sms_log where mobile='" + account + "'";

　　　　    session.createSQLQuery(sql).executeUpdate();