存在未完成的订单，不允许删除

app/AdminSupplier/Controllers/ProductController.php

@@ -11,6 +11,7 @@ use App\Models\AgentProductItem;
 use App\Models\AgentProductSpec;
 use App\Models\Category;
 use App\Models\DiyForm;
+use App\Models\Order;
 use App\Models\ProductSpec;
 use Dcat\Admin\Admin;
 use Dcat\Admin\Form;
@@ -389,6 +390,16 @@ class ProductController extends AdminController
 			if (array_filter($form->model()->toArray(), fn($v) => $v['supplier_id'] != Admin::user()->id)) {
 				return $form->response()->error('数据不存在');
 			}
+
+			$exists_unfinished_order = Order::where([
+				['product_id', '=', $form->getKey()],
+				['status', '>', OrderStatus::UNPAID],
+				['status', '<', OrderStatus::SUCCESS],
+				['status', '<>', OrderStatus::REFUNDED],
+			])->exists();
+			if ($exists_unfinished_order) {
+				return $form->response()->error('该产品存在未完成的订单，不允许删除');
+			}
 		});
     }
 }