update

@@ -26,6 +26,9 @@ class CategoryController extends BaseController
         }
         }
         $sort = ['id' => 'desc'];
         $sort = ['id' => 'desc'];
         $data = $logic->getList($map, $sort, ['id', 'pid', 'title', 'image', 'keywords', 'describe', 'status','created_at'],0);
         $data = $logic->getList($map, $sort, ['id', 'pid', 'title', 'image', 'keywords', 'describe', 'status','created_at'],0);
+        foreach ($data as &$v){
+            $v['product_num'] = $logic->getProductNum($v['id']);
+        }
         return $this->success(Arr::listToTree($data));
         return $this->success(Arr::listToTree($data));
     }
     }
 
 

@@ -54,4 +54,16 @@ class CategoryLogic extends  BaseLogic
         }
         }
         return parent::delete($ids);
         return parent::delete($ids);
     }
     }
+
+    /**
+     * 关联产品数量
+     * @param $cate_id
+     * @return mixed
+     * @author zbj
+     * @date 2023/4/28
+     */
+    public function getProductNum($cate_id){
+        $ids = $this->model->getChildIdsArr($cate_id);
+        return CategoryRelated::whereIn('cate_id', $ids)->count();
+    }
 }
 }

@@ -14,6 +14,12 @@ class Category extends Base
     //设置关联表名
     //设置关联表名
     protected $table = 'gl_product_category';
     protected $table = 'gl_product_category';
 
 
+    /**
+     * 子分类
+     * @var array
+     */
+    protected $child_ids_arr = [];
+
     public function getImageAttribute($value)
     public function getImageAttribute($value)
     {
     {
         return Upload::path2url($value);
         return Upload::path2url($value);
@@ -23,4 +29,37 @@ class Category extends Base
     {
     {
         $this->attributes['image'] = Upload::url2path($value);
         $this->attributes['image'] = Upload::url2path($value);
     }
     }
+
+
+    /**
+     * 获取指定分类的所有子分类IDS（包括自己）
+     * @param $id
+     * @return array
+     * @author zbj
+     * @date 2023/4/28
+     */
+    public function getChildIdsArr($id)
+    {
+        $this->child_ids_arr = [$id];
+        return $this->getChildrenIdArr($id);
+    }
+
+    /**
+     * 递归获取指定分类的所有子孙
+     * @param $id
+     * @return array
+     * @author zbj
+     * @date 2023/4/28
+     */
+    protected function getChildrenIdArr($id)
+    {
+        $list = parent::where("pid", $id)->pluck('pid', 'id');
+        if ($list) {
+            foreach ($list as $id => $pid) {
+                $this->child_ids_arr[] = $id;
+                $this->getChildrenIdArr($id);
+            }
+        }
+        return $this->child_ids_arr;
+    }
 }
 }