- package com.company;
- /**
- * @author cbf4Life cbf4life@126.com
- * I'm glad to share my knowledge with you all.
- */
- public class FreeDeduction implements IDeduction {
- //自由扣款
- public boolean exec(Card card, Trade trade) {
- //直接从自由余额中扣除
- card.setFreeMoney(card.getFreeMoney() - trade.getAmount());
- return true;
- }
- }