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); -- Gitblit v1.9.1