如何處理記帳系統中的支付和結算功能 - 實現記帳支付和結算的開發方法

public interface PaymentService {
    void makePayment(String paymentId, double amount);
}

public class PaymentServiceImpl implements PaymentService {
    public void makePayment(String paymentId, double amount) {
        // 调用支付平台的接口进行支付操作
        // ...
        // 根据支付结果进行相应的处理
    }
}

public class AccountingSystem {
    private PaymentService paymentService;
    
    public void setPaymentService(PaymentService paymentService) {
        this.paymentService = paymentService;
    }
    
    public void processPayment(String paymentId, double amount) {
        paymentService.makePayment(paymentId, amount);
        // 根据支付结果进行相应的处理
    }
}

public class SettlementRecord {
    private String orderId;
    private double amount;
    
    // 其他相关属性和方法
}

public class SettlementService {
    public SettlementRecord[] generateSettlementRecords(Date startDate, Date endDate) {
        // 根据指定的时间范围，从数据库中查询出需要结算的记录
        // ...
        // 将查询结果封装为结算记录对象数组并返回
    }
    
    public void settle(SettlementRecord settlementRecord) {
        // 执行结算操作，包括更新结算状态、生成结算报表等
        // ...
    }
}

public class AccountingSystem {
    private SettlementService settlementService;
    
    public void setSettlementService(SettlementService settlementService) {
        this.settlementService = settlementService;
    }
    
    public void processSettlement(Date startDate, Date endDate) {
        SettlementRecord[] settlementRecords = settlementService.generateSettlementRecords(startDate, endDate);
        for (SettlementRecord settlementRecord : settlementRecords) {
            settlementService.settle(settlementRecord);
        }
    }
}