public boolean saveReport(ApplyReportDto dto) { BillApply billApply = billApplyMapper.selectById(dto.getBillApplyId()); ValidationUtils.checkNotNull(billApply, "未查询到开票申请"); ValidationUtils.checkMustTrue(ApplyStatusEnum.isInvoicing(billApply.getStatus()), "非开票中，无法操作开票"); //对象转化 List<BillApplyReport> map = MapperUtils.mapObjs(dto.getReportDetails(), BillApplyReport.class, (source, destination) -> { destination.setBillApplyId(billApply.getId()); destination.setCreateUser(AdminUtil.getCurrentAdminName()); }); return this.saveBatch(map, 200); }在这个接口里加个需求，列表里的billAmount的总金额要和申请记录里的billAmount总金额相等 public boolean saveReport(ApplyReportDto dto) { BillApply billApply = billApplyMapper.selectById(dto.getBillApplyId()); ValidationUtils.checkNotNull(billApply, "未查询到开票申请"); ValidationUtils.checkMustTrue(ApplyStatusEnum.isInvoicing(billApply.getStatus()), "非开票中，无法操作开票"); //对象转化 List<BillApplyReport> map = MapperUtils.mapObjs(dto.getReportDetails(), BillApplyReport.class, (source, destination) -> { destination.setBillApplyId(billApply.getId()); destination.setCreateUser(AdminUtil.getCurrentAdminName()); }); return this.saveBatch(map, 200); }在这个接口里加个需求，列表里的billAmount的总金额要和申请记录里的billAmount总金额相等 否则抛出异常

您可以在代码中添加以下逻辑来实现您的需求：

public boolean saveReport(ApplyReportDto dto) {
    BillApply billApply = billApplyMapper.selectById(dto.getBillApplyId());
    ValidationUtils.checkNotNull(billApply, "未查询到开票申请");
    ValidationUtils.checkMustTrue(ApplyStatusEnum.isInvoicing(billApply.getStatus()), "非开票中，无法操作开票");

    // 计算列表中billAmount的总金额
    BigDecimal totalAmount = BigDecimal.ZERO;
    for (BillApplyReport report : dto.getReportDetails()) {
        totalAmount = totalAmount.add(report.getBillAmount());
    }

    // 验证总金额与申请记录中的billAmount总金额是否相等
    if (totalAmount.compareTo(billApply.getBillAmount()) != 0) {
        throw new RuntimeException("列表中的billAmount总金额与申请记录中的billAmount总金额不相等");
    }

    // 对象转化
    List<BillApplyReport> map = MapperUtils.mapObjs(dto.getReportDetails(), BillApplyReport.class, (source, destination) -> {
        destination.setBillApplyId(billApply.getId());
        destination.setCreateUser(AdminUtil.getCurrentAdminName());
    });

    return this.saveBatch(map, 200);
}

在上述代码中，我们首先计算了列表中billAmount的总金额，并与申请记录中的billAmount总金额进行比较。如果不相等，则抛出异常。否则，继续执行原有的逻辑。