修复:#320 支付手续费计算不正确,超过付款金额

(cherry picked from commit 0df2d7191f7a467f2eeeb5bd19217a4a039395db)
This commit is contained in:
耿林猛 2023-08-18 19:51:35 +08:00 committed by Krane
parent d82729e4c6
commit 3d894ca7f5
2 changed files with 17 additions and 15 deletions

View File

@ -39,6 +39,7 @@ import org.springframework.transaction.annotation.Transactional;
import org.springframework.validation.annotation.Validated;
import javax.annotation.Resource;
import java.math.RoundingMode;
import java.time.LocalDateTime;
import java.util.List;
import java.util.Objects;
@ -345,7 +346,8 @@ public class PayOrderServiceImpl implements PayOrderService {
.channelId(channel.getId()).channelCode(channel.getCode())
.successTime(notify.getSuccessTime()).extensionId(orderExtension.getId()).no(orderExtension.getNo())
.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());
if (updateCounts == 0) { // 校验状态必须是待支付
throw exception(ORDER_STATUS_IS_NOT_WAITING);

View File

@ -3,25 +3,25 @@ package cn.iocoder.yudao.module.pay.util;
import java.math.BigDecimal;
import java.math.RoundingMode;
import cn.hutool.core.util.NumberUtil;
/**
* 金额工具类
*
* @author 芋道源码
*/
public class MoneyUtils {
/**
* 计算百分比金额四舍五入
* 计算百分比金额
*
* @param price 金额
* @param rate 百分比例如说 56.77% 则传入 56.77
* @return 百分比金额
* @param scale 保留小数位数
* @param roundingMode 舍入模式
*/
public static Integer calculateRatePrice(Integer price, Double rate) {
return new BigDecimal(price)
.multiply(BigDecimal.valueOf(rate)) // 乘以
.setScale(0, RoundingMode.HALF_UP) // 四舍五入
.intValue();
public static BigDecimal calculateRatePrice(Number price, Number rate, int scale, RoundingMode roundingMode) {
return NumberUtil.toBigDecimal(price).multiply(NumberUtil.toBigDecimal(rate)) // 乘以
.divide(BigDecimal.valueOf(100), scale, roundingMode); // 除以100
}
}