排序

app/Http/Controllers/Mini/ProductController.php

@@ -47,6 +47,18 @@ class ProductController extends BaseMiniController
             });
         }
 
+        // 先按分类树展示顺序（与小程序分类栏一致；不在启用分类树中的商品排最后），再按商品排序
+        $categoryIds = ProductCategoryModel::getTreeOrderedIds(true);
+        if ($categoryIds !== []) {
+            $cases = [];
+            foreach ($categoryIds as $position => $categoryId) {
+                $cases[] = "WHEN {$categoryId} THEN {$position}";
+            }
+            $query->orderByRaw(
+                'CASE category_id ' . implode(' ', $cases) . ' ELSE ' . count($categoryIds) . ' END'
+            );
+        }
+
         $pageSize = (int) $request->input('pageSize', 10);
         $paginator = $query->orderBy('sort', 'desc')
             ->orderBy('id')