处理批量导出报错问题

src/main/java/com/uas/platform/b2c/prod/commodity/service/impl/ProductServiceImpl.java

@@ -219,6 +219,7 @@ public class ProductServiceImpl implements ProductService {
         List<Product> products = new ArrayList<Product>();
         page.filter("enUU", SystemSession.getUser().getEnterprise().getUu());
         page.filter("b2cEnabled", com.uas.platform.b2c.prod.commodity.constant.IntegerConstant.YES_INT);
+        page.sorting(Sort.Direction.DESC, "standard", "id");
         //产品部要求导出是非标和标准全部导出，先注释这条代码
 //        if(StringUtils.isEmpty(type)) {
 //            type = "all";
@@ -242,28 +243,13 @@ public class ProductServiceImpl implements ProductService {
             query.where(page.getPredicates(root, query, cb));
             return null;
             }
-        });
-        //先按照id降序排列
-        Collections.sort(products, new Comparator<Product>() {
-            @Override
-            public int compare(Product o1, Product o2) {
-                return (o2.getId().compareTo(o1.getId()));
-            }
-        });
-        //后面按照非标与标准排列
-        Collections.sort(products, new Comparator<Product>() {
-            @Override
-            public int compare(Product o1, Product o2) {
-                return o2.getStandard().compareTo(o1.getStandard());
-            }
-        });
+        }, page.getSort());
         List<Goods> goodses = new ArrayList<>();
         for (Product product : products) {
-            System.out.println(product.getId() + " -" + product.getStandard());
             List<Goods> goodses1 = goodsDao.findByProductIdOrderByGoodsId(product.getId());
-            if(goodses1.size() > 0) {
+            if (goodses1.size() > 0) {
                 goodses.addAll(goodses1);
-            }else {
+            } else {
                 Goods g = Goods.productConvertGoods(product);
                 goodses.add(g);
             }