accountMoney6没事务，transMethod6有事务，会回滚吗
public void accountMoney6() {
ordersDao.lessMoney();//给小王账号减少1000
transMethod6();
}
@Transactional(propagation = Propagation.REQUIRES_NEW)
public void transMethod6() {
ordersDao.moreMoney();//给小马账号增加1000
int x = 1 / 0;
}
