验证 降级金额不能大于商品总金额

Cui Zhi Feng

2024-08-28 18a87d19f80e3b87244546ad080f125587eb9d70

 src/main/java/com/mzl/flower/service/payment/DeliveryOrderService.java

@@ -590,6 +590,11 @@
        if(dto.getNum() > oi.getNum()){
            throw new ValidationException("处理数量不能大于商品数量");
        }

        if(deductAmount != null && deductAmount.doubleValue() > oi.getTotal().doubleValue()){
            throw new ValidationException("降级金额不能大于商品总金额");
        }

        BigDecimal deduct = deductAmount;
        if(deduct == null){
            deduct = new BigDecimal(0);