From e63f08bb358dd2d53a1bece9fb7654ff196c113b Mon Sep 17 00:00:00 2001
From: KKSU <15274802129@163.com>
Date: Thu, 09 Jan 2025 18:03:58 +0800
Subject: [PATCH] refactor(mall): 优化 BigDecimal 的舍入方式

---
 src/main/java/cc/mrbird/febs/mall/service/impl/ApiMallOrderInfoServiceImpl.java |   11 ++++++-----
 1 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/main/java/cc/mrbird/febs/mall/service/impl/ApiMallOrderInfoServiceImpl.java b/src/main/java/cc/mrbird/febs/mall/service/impl/ApiMallOrderInfoServiceImpl.java
index 20634d4..9e6cb17 100644
--- a/src/main/java/cc/mrbird/febs/mall/service/impl/ApiMallOrderInfoServiceImpl.java
+++ b/src/main/java/cc/mrbird/febs/mall/service/impl/ApiMallOrderInfoServiceImpl.java
@@ -42,6 +42,7 @@
 import org.springframework.transaction.annotation.Transactional;
 
 import java.math.BigDecimal;
+import java.math.RoundingMode;
 import java.util.*;
 import java.util.stream.Collectors;
 
@@ -344,18 +345,18 @@
         for (Map.Entry<Long,BigDecimal> entry : skuMap.entrySet()) {
             Long keySkuId = entry.getKey();
             BigDecimal valueSkuAmount = entry.getValue();
-            BigDecimal divide = valueSkuAmount.divide(totalAmount, 4, BigDecimal.ROUND_DOWN);//每个商品占符合满减的总额的比例
+            BigDecimal divide = valueSkuAmount.divide(totalAmount, 4, RoundingMode.DOWN);//每个商品占符合满减的总额的比例
             skuMapPercent.put(keySkuId,divide);
             Integer type = mallGoodsCoupon.getType();
             if(MallGoodsCoupon.TYPE_ONE == type){
-                BigDecimal bigDecimal = realAmount.multiply(divide).setScale(0, BigDecimal.ROUND_DOWN);//每个SKU的减免金额(比例*减免金额)
+                BigDecimal bigDecimal = realAmount.multiply(divide).setScale(0, RoundingMode.DOWN);//每个SKU的减免金额(比例*减免金额)
                 BigDecimal skuRealAmount = valueSkuAmount.subtract(bigDecimal.compareTo(BigDecimal.ZERO) > 0 ? bigDecimal : BigDecimal.ZERO);//实际支付金额
                 couponAmountMap.put(keySkuId,skuRealAmount);
             }
             if(MallGoodsCoupon.TYPE_TWO == type){
-                BigDecimal divideTime = totalAmount.divide(costAmount, 0, BigDecimal.ROUND_DOWN);//累计减免次数
+                BigDecimal divideTime = totalAmount.divide(costAmount, 0, RoundingMode.DOWN);//累计减免次数
                 BigDecimal multiply = divideTime.multiply(realAmount);//实际减免金额
-                BigDecimal bigDecimal = multiply.multiply(divide).setScale(0, BigDecimal.ROUND_DOWN);//每个SKU的减免金额(比例*实际减免金额)
+                BigDecimal bigDecimal = multiply.multiply(divide).setScale(0, RoundingMode.DOWN);//每个SKU的减免金额(比例*实际减免金额)
                 BigDecimal skuRealAmount = valueSkuAmount.subtract(bigDecimal.compareTo(BigDecimal.ZERO) > 0 ? bigDecimal : BigDecimal.ZERO);//实际支付金额
                 couponAmountMap.put(keySkuId,skuRealAmount);
             }
@@ -682,7 +683,7 @@
 //                        mallLeaderAchieve.setOrderItemId(mallOrderItem.getId());
 //                        BigDecimal itemAmount = mallOrderItem.getAmount();
 //                        mallLeaderAchieve.setAmount(itemAmount);
-//                        BigDecimal bigDecimal = bonusPercent.multiply(itemAmount).setScale(2, BigDecimal.ROUND_DOWN);
+//                        BigDecimal bigDecimal = bonusPercent.multiply(itemAmount).setScale(2, RoundingMode.DOWN);
 //                        mallLeaderAchieve.setProfitAmount(bigDecimal);
 //                        mallLeaderAchieve.setUniqueCode(orderInfo.getTakeUniqueCode());
 //                        mallLeaderAchieve.setState(MallLeaderAchieve.STATE_ONE);

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