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Merge pull request #334 from freesme/fix-master-#320-calculation-error

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修复：#320 支付手续费计算不正确，超过付款金额
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芋道源码 2023-09-03 18:37:52 +08:00 committed by GitHub
commit 05fc322919
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2 changed files with 17 additions and 15 deletions
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4
yudao-module-pay/yudao-module-pay-biz/src/main/java/cn/iocoder/yudao/module/pay/service/order/PayOrderServiceImpl.java
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@ -39,6 +39,7 @@ import org.springframework.transaction.annotation.Transactional;
import org.springframework.validation.annotation.Validated; import org.springframework.validation.annotation.Validated;
import javax.annotation.Resource; import javax.annotation.Resource;
import java.math.RoundingMode;
import java.time.LocalDateTime; import java.time.LocalDateTime;
import java.util.List; import java.util.List;
import java.util.Objects; import java.util.Objects;
@ -345,7 +346,8 @@ public class PayOrderServiceImpl implements PayOrderService {
.channelId(channel.getId()).channelCode(channel.getCode()) .channelId(channel.getId()).channelCode(channel.getCode())
.successTime(notify.getSuccessTime()).extensionId(orderExtension.getId()).no(orderExtension.getNo()) .successTime(notify.getSuccessTime()).extensionId(orderExtension.getId()).no(orderExtension.getNo())
.channelOrderNo(notify.getChannelOrderNo()).channelUserId(notify.getChannelUserId()) .channelOrderNo(notify.getChannelOrderNo()).channelUserId(notify.getChannelUserId())
.channelFeeRate(channel.getFeeRate()).channelFeePrice(MoneyUtils.calculateRatePrice(order.getPrice(), channel.getFeeRate())) .channelFeeRate(channel.getFeeRate())
.channelFeePrice(MoneyUtils.calculateRatePrice(order.getPrice(), channel.getFeeRate(), 0, RoundingMode.HALF_UP).intValue())
.build()); .build());
if (updateCounts == 0) { // 校验状态，必须是待支付 if (updateCounts == 0) { // 校验状态，必须是待支付
throw exception(ORDER_STATUS_IS_NOT_WAITING); throw exception(ORDER_STATUS_IS_NOT_WAITING);

28
yudao-module-pay/yudao-module-pay-biz/src/main/java/cn/iocoder/yudao/module/pay/util/MoneyUtils.java
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@ -3,25 +3,25 @@ package cn.iocoder.yudao.module.pay.util;
import java.math.BigDecimal; import java.math.BigDecimal;
import java.math.RoundingMode; import java.math.RoundingMode;
import cn.hutool.core.util.NumberUtil;
/** /**
* 金额工具类 * 金额工具类
* *
* @author 芋道源码 * @author 芋道源码
*/ */
public class MoneyUtils { public class MoneyUtils {
/**
/** * 计算百分比金额
* 计算百分比金额，四舍五入 *
* * @param price 金额
* @param price 金额 * @param rate 百分比，例如说 56.77% 则传入 56.77
* @param rate 百分比，例如说 56.77% 则传入 56.77 * @param scale 保留小数位数
* @return 百分比金额 * @param roundingMode 舍入模式
*/ */
public static Integer calculateRatePrice(Integer price, Double rate) { public static BigDecimal calculateRatePrice(Number price, Number rate, int scale, RoundingMode roundingMode) {
return new BigDecimal(price) return NumberUtil.toBigDecimal(price).multiply(NumberUtil.toBigDecimal(rate)) // 乘以
.multiply(BigDecimal.valueOf(rate)) // 乘以 .divide(BigDecimal.valueOf(100), scale, roundingMode); // 除以100
.setScale(0, RoundingMode.HALF_UP) // 四舍五入 }
.intValue();
}
} }