产品分类筛选

app/Admin/Controllers/ProductController.php

@@ -32,6 +32,11 @@ class ProductController extends AdminController
 				$grid->model()->where('status', ProductStatus::UNAUDITED);
 			}
 
+			$category_id = request()->input('cid');
+			if ($category_id) {
+				$grid->model()->whereIn('category_id', [$category_id, ...$this->get_category_child_ids($category_id)]);
+			}
+
 			/*$grid->batchActions([
 				new BatchAuditProduct(null, 1),
 				new BatchAuditProduct(null, 2),
@@ -71,11 +76,33 @@ class ProductController extends AdminController
                 $filter->equal('id')->width(2);
 				$filter->like('title')->width(3);
 				$filter->equal('status')->select(ProductStatus::array())->width(2);
+
+				$options = array_slice(Category::selectOptions(fn($query) => $query->where('agent_id', 0)), 1, null, true);
+				$filter->equal('cid', '产品分类')->ignore()->select($options)->width(3);
 				$filter->equal('type')->select(admin_trans('product.options.publish_type'))->width(2);
             });
         });
     }
 
+	//递归获取指定分类下的所有子分类
+	private function get_category_child_ids($category_id): array
+	{
+		static $category = null;
+		if ($category === null) {
+			$category = Category::where('agent_id', 0)->get()->toArray();
+		}
+
+		$child = [];
+		foreach ($category as $cat) {
+			if ($cat['pid'] == $category_id) {
+				$child[] = $cat['id'];
+				$child = array_merge($child, $this->get_category_child_ids($cat['id']));
+			}
+		}
+
+		return $child;
+	}
+
     /**
      * Make a show builder.
      *

app/AdminSupplier/Controllers/ProductController.php

@@ -31,6 +31,11 @@ class ProductController extends AdminController
         return Grid::make(new Product(['category:id,name']), function (Grid $grid) {
 			$grid->model()->where('supplier_id', Admin::user()->id);
 
+			$category_id = request()->input('cid');
+			if ($category_id) {
+				$grid->model()->whereIn('category_id', [$category_id, ...$this->get_category_child_ids($category_id)]);
+			}
+
             $grid->column('id')->sortable();
 			$grid->column('type')->using(admin_trans('product.options.publish_type'));
             $grid->column('category.name', '产品分类');
@@ -63,11 +68,33 @@ class ProductController extends AdminController
 				$filter->equal('id')->width(2);
 				$filter->like('title')->width(3);
 				$filter->equal('status')->select(ProductStatus::array())->width(2);
+
+				$options = array_slice(Category::selectOptions(fn($query) => $query->where('agent_id', 0)), 1, null, true);
+				$filter->equal('cid', '产品分类')->ignore()->select($options)->width(3);
                 $filter->equal('type')->select(admin_trans('product.options.publish_type'))->width(2);
             });
         });
     }
 
+	//递归获取指定分类下的所有子分类
+	private function get_category_child_ids($category_id): array
+	{
+		static $category = null;
+		if ($category === null) {
+			$category = Category::where('agent_id', 0)->get()->toArray();
+		}
+
+		$child = [];
+		foreach ($category as $cat) {
+			if ($cat['pid'] == $category_id) {
+				$child[] = $cat['id'];
+				$child = array_merge($child, $this->get_category_child_ids($cat['id']));
+			}
+		}
+
+		return $child;
+	}
+
     /**
      * Make a show builder.
      *