得分开写.

	@Async
	public void calculation_state1(String sellID) {
	    _calculation_state1(sellID);
	}
	
	@Aop(TransAop.READ_COMMITTED)
	public void _calculation_state1(String sellID) {
		Order order = dao.fetch(Order.class, sellID);
		Customer customer = dao.fetch(Customer.class, order.getCustomerID());
   }