From 321c60187602ff3b3fd7e573f73f22ef086d1925 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 09:53:30 +0800
Subject: [PATCH] =?UTF-8?q?=E7=A7=AF=E5=88=86=E6=A8=A1=E5=9D=97=E7=9B=B8?=
 =?UTF-8?q?=E5=85=B3=E4=BB=A3=E7=A0=81?=
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---
 .../service/impl/TbMemberPointsServiceImpl.java           | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/main/java/com/chaozhanggui/system/cashierservice/service/impl/TbMemberPointsServiceImpl.java b/src/main/java/com/chaozhanggui/system/cashierservice/service/impl/TbMemberPointsServiceImpl.java
index caaff30..977d305 100644
--- a/src/main/java/com/chaozhanggui/system/cashierservice/service/impl/TbMemberPointsServiceImpl.java
+++ b/src/main/java/com/chaozhanggui/system/cashierservice/service/impl/TbMemberPointsServiceImpl.java
@@ -146,13 +146,13 @@ 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");
@@ -197,7 +197,7 @@ public class TbMemberPointsServiceImpl extends ServiceImpl<TbMemberPointsMapper,
             throw new MsgException(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();
         }