有库存则上架，没库存则下架

app-ghs/controllers/XjController.php

@@ -92,6 +92,7 @@ class XjController extends BaseController
                 continue;
             }
             $xj->stock = $stock;
+            //有库存则上架，没库存则下架
             $status = $stock == 0 ? 2 : 1;
             $xj->status = $status;
             $xj->save();