From 6bb7742033eafdc838c1ae5c11f044ff2adc8553 Mon Sep 17 00:00:00 2001
From: xyiege <xyiege@gmail.com>
Date: Sun, 27 Nov 2022 09:03:26 +0800
Subject: [PATCH] =?UTF-8?q?=E5=8F=91=E7=A5=A8=E5=B7=A5=E5=85=B7?=
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---
 .../java/cn/chjyj/szwh/utils/TaxUtils.java    | 90 +++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 src/main/java/cn/chjyj/szwh/utils/TaxUtils.java

diff --git a/src/main/java/cn/chjyj/szwh/utils/TaxUtils.java b/src/main/java/cn/chjyj/szwh/utils/TaxUtils.java
new file mode 100644
index 0000000..cab3cac
--- /dev/null
+++ b/src/main/java/cn/chjyj/szwh/utils/TaxUtils.java
@@ -0,0 +1,90 @@
+package cn.chjyj.szwh.utils;
+
+import cn.chjyj.szwh.bean.OrderGoodsDetail;
+
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * 发票信息工具
+ */
+public class TaxUtils {
+    /**
+     * 计算订单发税务 发票信息，万元票
+     * @param orglist 商品详情list
+     * @return
+     */
+    public static List TaxSpilt(List<OrderGoodsDetail> orglist){
+        List taxlist = new ArrayList();
+        //loop
+        for(OrderGoodsDetail odg:orglist){
+            //服务费
+            BigDecimal serviceCharge = odg.getServiceCharge();
+            //万元票，单张顶格金额
+            BigDecimal topFee = new BigDecimal("9999.00");
+            //服务费小于等于0
+            if(serviceCharge.compareTo(new BigDecimal("0"))!=1){
+                continue;
+            }
+            /**
+             * 服务费超过9999，万元票需要多张
+             * 计算方法：第一张发票金额为 9999，第二张发票金额显示剩余，若额度仍然超过 9999，继续出现第三张发票
+             */
+            // 付费超过 9999
+            if(serviceCharge.compareTo(topFee) ==1){
+                //统计需要的发票数量
+                int tnum = countTaxPapers(serviceCharge.longValue(),1);
+                for(int i=0;i<tnum;i++){
+                    BigDecimal price = topFee;
+                    BigDecimal leftAmount = serviceCharge.subtract(topFee);
+                    if(leftAmount.compareTo(new BigDecimal("0"))==-1){ //小于0
+                        price = leftAmount;
+                    }
+                    // 填充发票信息
+                    Map txmap = fillTax(price);
+                    taxlist.add(txmap);
+                }
+            }else{
+                // 填充发票信息
+                Map txmap = fillTax(serviceCharge);
+                taxlist.add(txmap);
+            }
+        }
+        return taxlist;
+    }
+
+    public static Map fillTax(BigDecimal price){
+        Map tmap = new HashMap();
+        tmap.put("totalAmountTax",price); //发票总金额
+        Map tdmap = new HashMap();
+        tdmap.put("amount",price); //金额
+        tdmap.put("invoiceNature","0");//0:正常 1:折扣 2:被折扣
+        tdmap.put("itemName","*现代服务*交易佣金");//商品名称
+        tdmap.put("itemTaxCode","3049900000000000000"); //商品税号
+        tdmap.put("taxIncluded", '1'); //1：含税0：不含税
+        tdmap.put("taxRate","0.06");//税率
+        tdmap.put("yhzcbs","0"); //优惠政策标识
+        //添加到细节节点
+        tmap.put("manualOrderDetails",tdmap);//发票细节
+        //返回发票对象map
+        return tdmap;
+    }
+
+    /**
+     * 计算发票数量 （万元版，每张金额：9999）
+     * @param amount
+     * @param num
+     * @return
+     */
+    public static Integer countTaxPapers(long amount,int num){
+        long left = amount-9999l;//
+        if(left>0){
+            num = countTaxPapers(left,num);
+            return num+1;
+        }
+        return num;
+    }
+}