From 58776c3511ae4bd30b6f96d4ffa07c21cdd9ee31 Mon Sep 17 00:00:00 2001
From: xyiege <xyiege@gmail.com>
Date: Wed, 12 Oct 2022 23:24:03 +0800
Subject: [PATCH] =?UTF-8?q?=E7=AE=80=E5=8C=96=E6=8E=92=E5=BA=8F=E4=BB=A3?=
 =?UTF-8?q?=E7=A0=81?=
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---
 .../szwh/service/impl/GoodsServiceImpl.java   | 23 ++++++++++++-------
 1 file changed, 15 insertions(+), 8 deletions(-)

diff --git a/src/main/java/cn/chjyj/szwh/service/impl/GoodsServiceImpl.java b/src/main/java/cn/chjyj/szwh/service/impl/GoodsServiceImpl.java
index e99d45a..e10abe7 100644
--- a/src/main/java/cn/chjyj/szwh/service/impl/GoodsServiceImpl.java
+++ b/src/main/java/cn/chjyj/szwh/service/impl/GoodsServiceImpl.java
@@ -465,24 +465,31 @@ public class GoodsServiceImpl implements GoodsService {
         int ret = 0;
         for(int i=0;i<tmpRanklist.size()-1;i++){
             if(goodsIsli.equals(tmpRanklist.get(i).getGoodsIslicode()) ){
+                // 当前项目sort
+                int curSort = tmpRanklist.get(i).getRecommendSort();
                 // 上移
                 if(type==1) {
                     if(i==0){
                         break;
                     }else {
-                        goodsMapper.updateRecommend(tmpRanklist.get(i-1).getGoodsIslicode(),
-                                tmpRanklist.get(i).getRecommendSort());
-                        ret = goodsMapper.updateRecommend(tmpRanklist.get(i).getGoodsIslicode(),
-                                tmpRanklist.get(i-1).getRecommendSort());
+                        //前序sort
+                        int frontSort = tmpRanklist.get(i-1).getRecommendSort();
+                        int afterSort= (frontSort==curSort)?curSort+1:frontSort;
+                        // 前序变更recommend sort
+                        goodsMapper.updateRecommend(tmpRanklist.get(i-1).getGoodsIslicode(),curSort);
+
+                        ret = goodsMapper.updateRecommend(tmpRanklist.get(i).getGoodsIslicode(),afterSort);
                     }
                 }else{
                     if(i==tmpRanklist.size()-1){
                         break;
                     }else{
-                        goodsMapper.updateRecommend(tmpRanklist.get(i+1).getGoodsIslicode(),
-                                tmpRanklist.get(i).getRecommendSort());
-                        ret = goodsMapper.updateRecommend(tmpRanklist.get(i).getGoodsIslicode(),
-                                tmpRanklist.get(i+1).getRecommendSort());
+                        //前序sort
+                        int frontSort = tmpRanklist.get(i+1).getRecommendSort();
+                        int afterSort= (frontSort==curSort)?curSort-1:frontSort;
+
+                        goodsMapper.updateRecommend(tmpRanklist.get(i+1).getGoodsIslicode(),curSort);
+                        ret = goodsMapper.updateRecommend(tmpRanklist.get(i).getGoodsIslicode(), afterSort);
                     }
                 }
             }