From 3b88f464dea3d845c9c83a8093f13ea49b96bd36 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=B0=AD=E5=87=AF=E5=87=AF?= <tankaikai@aliyun.com>
Date: Fri, 8 Nov 2024 09:52:38 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BA=A4=E7=8F=ADbug=E4=BF=AE=E5=A4=8D?=
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---
 .../mybatis/service/impl/TbMemberPointsServiceImpl.java   | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/eladmin-system/src/main/java/cn/ysk/cashier/mybatis/service/impl/TbMemberPointsServiceImpl.java b/eladmin-system/src/main/java/cn/ysk/cashier/mybatis/service/impl/TbMemberPointsServiceImpl.java
index b2aa76c1..c0ec6e59 100644
--- a/eladmin-system/src/main/java/cn/ysk/cashier/mybatis/service/impl/TbMemberPointsServiceImpl.java
+++ b/eladmin-system/src/main/java/cn/ysk/cashier/mybatis/service/impl/TbMemberPointsServiceImpl.java
@@ -134,13 +134,13 @@ public class TbMemberPointsServiceImpl extends ServiceImpl<TbMemberPointsMapper,
         BigDecimal accountYuan = NumberUtil.div(accountPoints, equivalentPoints);
         // 下单最高抵扣比例
         BigDecimal maxDeductionRatio = basic.getMaxDeductionRatio();
-        // 计算订单最多可以抵扣多少元
-        BigDecimal orderYuan = NumberUtil.roundDown(NumberUtil.mul(orderAmount, NumberUtil.div(maxDeductionRatio, new BigDecimal("100"))), 2);
+        // 计算订单最多可以抵扣多少元，向下取整
+        BigDecimal orderYuan = NumberUtil.roundDown(NumberUtil.mul(orderAmount, NumberUtil.div(maxDeductionRatio, new BigDecimal("100"))), 0);
         // 积分余额足够
         if (NumberUtil.isGreaterOrEqual(accountYuan, orderYuan)) {
             dto.setMaxDeductionAmount(orderYuan);
         } else {
-            dto.setMaxDeductionAmount(NumberUtil.roundDown(accountYuan, 2));
+            dto.setMaxDeductionAmount(NumberUtil.roundDown(accountYuan, 0));
         }
         if (NumberUtil.isLess(dto.getMaxDeductionAmount(), BigDecimal.ONE)) {
             dto.setUnusableReason("积分不足1元，无法进行抵扣");
@@ -185,7 +185,7 @@ public class TbMemberPointsServiceImpl extends ServiceImpl<TbMemberPointsMapper,
             throw new BadRequestException(StrUtil.format("使用积分不能超过最大使用限制{}", core.getMaxUsablePoints()));
         }
         BigDecimal money = NumberUtil.mul(points, NumberUtil.div(BigDecimal.ONE, core.getEquivalentPoints()));
-        BigDecimal maxDeductionAmount = NumberUtil.roundDown(money, 2);
+        BigDecimal maxDeductionAmount = NumberUtil.roundDown(money, 0);
         if (NumberUtil.isGreater(maxDeductionAmount, core.getMaxDeductionAmount())) {
             return core.getMaxDeductionAmount();
         }