对list中的字段remendsort进行排序

README.md

@@ -69,6 +69,12 @@ eyJhbGciOiJIUzUxMiJ9.eyJhdWQiOiJCRDg0REQ0MkE3MjM0QjA1QjBDNUQxMTYxNjEzMkFDNCIsImp
 
 23、 [Mybatis时间范围查询，亲测有效](https://www.shuzhiduo.com/A/amd0wwkj5g/)
 
+
+
+24、 [list排序的几种方法](https://blog.csdn.net/qq_29410905/article/details/91414833)
+
+25\ [Java实现对List中的对象按某个字段进行排序](https://blog.csdn.net/weixin_42402326/article/details/121789861)
+
 ###知识点收集：
 首先使用Calendar calendar = Calendar.getInstance();//获取Calendar
 

src/main/java/cn/chjyj/szwh/service/impl/GoodsServiceImpl.java

@@ -110,6 +110,20 @@ public class GoodsServiceImpl implements GoodsService {
         // 排序索引
         int index=0;
         List<Goods> glist = goodsMapper.getGoodsByCondition(where,limit,order,"DESC");
+        // 查询到的list 进行排序
+        List<Goods> newgoodsList = new LinkedList<>();
+        Collections.sort(glist, new Comparator<Goods>() {
+            @Override
+            public int compare(Goods o1, Goods o2) {
+                if(o1.getRecommendSort()>o2.getRecommendSort()){
+                    return -1;
+                }
+                if(o1.getRecommendSort()== o2.getRecommendSort()){
+                    return 0;
+                }
+                return 1;
+            }
+        });
         if(glist!=null){
             for(Goods g:glist){
                 Map<String,Object> ngmap = new HashMap<>();