From 18a87d19f80e3b87244546ad080f125587eb9d70 Mon Sep 17 00:00:00 2001
From: Cui Zhi Feng <cuizf@fengyuntec.com>
Date: 星期三, 28 八月 2024 21:51:30 +0800
Subject: [PATCH] 验证 降级金额不能大于商品总金额

---
 src/main/java/com/mzl/flower/service/payment/DeliveryOrderService.java |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/src/main/java/com/mzl/flower/service/payment/DeliveryOrderService.java b/src/main/java/com/mzl/flower/service/payment/DeliveryOrderService.java
index 1e503f0..2a89ef7 100644
--- a/src/main/java/com/mzl/flower/service/payment/DeliveryOrderService.java
+++ b/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);

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