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- package com.kmall.admin.utils;
- import com.kmall.admin.entity.GoodsEntity;
- import com.kmall.manager.manager.express.sf.ServiceException;
- import org.apache.commons.lang3.StringUtils;
- import org.slf4j.Logger;
- import org.slf4j.LoggerFactory;
- import java.math.BigDecimal;
- /**
- * xwh
- * 2020年12月7日14:57:04
- */
- public class CalculateTax {
- private static final Logger logger = LoggerFactory.getLogger(CalculateTax.class);
- /**
- * 计算税费,包括消费税和增值税。公式如下:
- * 订单该商品总税费 = (商品消费税 + 商品增值税)* 0.7
- *
- * @param
- * @return
- */
- public static final BigDecimal calculateTax(GoodsEntity goodsEntity, BigDecimal actualPaymentAmount) {
- // 该商品消费税
- BigDecimal grandConsumerTax = BigDecimal.ZERO;
- // 该商品增值税
- BigDecimal grandValueAddTax = BigDecimal.ZERO;
- String hsCode = goodsEntity.getHsCode();// 海关商品编码
- String hsCodeName = goodsEntity.getHsCodeName();// 海关商品编码名称
- // 消费税税率
- final BigDecimal impConsumTaxRate = goodsEntity.getImpConsumTaxRate();
- // 增值税税率
- final BigDecimal valueAddedTaxRate = goodsEntity.getValueAddedTaxRate();
- try {
- // 计算某类产品的消费税
- final BigDecimal subConsumerTax = calculateConsumerTax(actualPaymentAmount, impConsumTaxRate, hsCodeName, goodsEntity, actualPaymentAmount);
- // 计算某类产品的增值税
- final BigDecimal subValueAddTax = calculateValueAddTax(actualPaymentAmount, valueAddedTaxRate, subConsumerTax);
- // 计算总的消费税
- grandConsumerTax = grandConsumerTax.add(subConsumerTax);
- // 计算总的增值税
- grandValueAddTax = grandValueAddTax.add(subValueAddTax);
- } catch (final RuntimeException e) {
- if (logger.isErrorEnabled()) logger.error("计算税费出错!请检查产品的分类数据,以及产品类别的税率数据!", e);
- throw new IllegalStateException("计算税费出错!请检查产品的分类数据,以及产品类别的税率数据!", e);
- }
- // 按照公式,打7折
- final BigDecimal tax = grandConsumerTax.add(grandValueAddTax).multiply(new BigDecimal("0.7")).setScale(2, BigDecimal.ROUND_HALF_UP);
- return tax;
- }
- /**
- * 计算消费税,公式如下:
- * 消费税 = (明细商品总价 / (1-消费税税率)) * 消费税税率
- *
- * @param productSubTotal 订单中的某类商品总价(单价 * 数量)
- * @param impConsumTaxRate 进口从价消费税率,百分数
- * @param goodsEntity 商品备案信息
- * @param productUnitPrice 产品销售单价
- * @return 消费税
- */
- private static final BigDecimal calculateConsumerTax(final BigDecimal productSubTotal, final BigDecimal impConsumTaxRate, final String cusGoodsName, GoodsEntity goodsEntity, final BigDecimal productUnitPrice) {
- // 消费税税率为0,不做计算
- if (impConsumTaxRate.compareTo(BigDecimal.ZERO) == 0) {
- return BigDecimal.ZERO;
- }
- BigDecimal taxRate = null;
- //计算化妆品, 需要计算单价
- BigDecimal unit1Price = null;
- BigDecimal unit2Price = null;
- BigDecimal qty1 = goodsEntity.getLegalUnit1Qty();
- BigDecimal qty2 = goodsEntity.getLegalUnit2Qty();
- if (StringUtils.isNotBlank(cusGoodsName) && (cusGoodsName.contains("“片”") || cusGoodsName.contains("“张”") || cusGoodsName.contains("\"片\"") || cusGoodsName.contains("\"张\""))) {
- //片、张的单价
- if (qty2 != null) {
- unit2Price = productUnitPrice.divide(qty2, 5, BigDecimal.ROUND_HALF_UP);
- }
- } else {
- //毫升、克的单价
- if (qty1 != null) {
- BigDecimal gramOrMl = qty1.multiply(new BigDecimal(1000));
- unit1Price = productUnitPrice.divide(gramOrMl, 5, BigDecimal.ROUND_HALF_UP);
- }
- }
- // 每单位价格
- // 如果有片、张的单价,按片、张;如果没有则按毫升、克
- BigDecimal gramOrMlUnitPrice = (unit2Price != null) ? unit2Price : unit1Price;
- //获取化妆品阀值
- BigDecimal cosmThresholdValue = goodsEntity.getCosmThresholdValue();
- if (cosmThresholdValue != null && cosmThresholdValue.compareTo(BigDecimal.ZERO) > 0) {
- if (gramOrMlUnitPrice != null) {
- //完税法定单位单价大于阈值采用第一档消费税率,否则消费税率为0
- if (gramOrMlUnitPrice.compareTo(cosmThresholdValue) >= 0) {
- taxRate = impConsumTaxRate.divide(new BigDecimal("100"), 10, BigDecimal.ROUND_HALF_UP);
- } else {
- taxRate = BigDecimal.ZERO;
- }
- } else {
- String message = "【" + goodsEntity.getSku() + "】缺少法定单价";
- logger.error(message);
- throw new ServiceException(message);
- }
- }
- // 每单位价格小于化妆品阀值,不做计算
- if (taxRate.compareTo(BigDecimal.ZERO) == 0) {
- return BigDecimal.ZERO;
- }
- final BigDecimal tax = productSubTotal.divide(BigDecimal.ONE.subtract(taxRate), 10, BigDecimal.ROUND_HALF_UP).multiply(taxRate);
- return tax;
- }
- /**
- * 计算增值税,公式如下:
- * 增值税 = (明细商品总价 + 消费税) * 增值税税率
- *
- * @param productSubTotal 订单中的某类商品总价(单价 * 数量)
- * @param valueAddedTaxRate 增值税率,百分数
- * @param consumerTax 订单中的某类商品总的消费税
- * @return 增值税
- */
- private static final BigDecimal calculateValueAddTax(final BigDecimal productSubTotal, final BigDecimal valueAddedTaxRate, final BigDecimal consumerTax) {
- final BigDecimal taxRate = valueAddedTaxRate.divide(new BigDecimal("100"), 10, BigDecimal.ROUND_HALF_UP);
- // 免税,不做计算
- if (taxRate.compareTo(BigDecimal.ZERO) == 0) {
- return BigDecimal.ZERO;
- }
- final BigDecimal tax = productSubTotal.add(consumerTax).multiply(taxRate);
- return tax;
- }
- /**
- * 计算税率
- *
- * @param
- * @return
- */
- public static final BigDecimal calculateGoodsRate(GoodsEntity goodsEntity) {
- // 消费税税率
- final BigDecimal impConsumTaxRate = goodsEntity.getImpConsumTaxRate();
- // 增值税税率
- final BigDecimal valueAddedTaxRate = goodsEntity.getValueAddedTaxRate();
- // 如果增值税为0,免税
- if (BigDecimal.ZERO.compareTo(valueAddedTaxRate)==0){
- return valueAddedTaxRate;
- }
- // 如果有消费税 23.06%=(0.13+0.15)/(1-0.15)*0.7
- if (BigDecimal.ZERO.compareTo(impConsumTaxRate)!=0){
- return valueAddedTaxRate.add(impConsumTaxRate).
- divide(new BigDecimal(100).subtract(impConsumTaxRate),10, BigDecimal.ROUND_HALF_UP)
- .multiply(new BigDecimal("0.7")).setScale(4, BigDecimal.ROUND_HALF_UP);
- }else {
- // 如果没有消费税 9.1%=0.13*0.7
- return valueAddedTaxRate.multiply(new BigDecimal("0.7")).divide(new BigDecimal("100"),4,BigDecimal.ROUND_HALF_UP);
- }
- }
- }
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