失效原因

app/Service/v3/Implementations/ShopCartService.php

@@ -36,6 +36,21 @@ class ShopCartService implements ShopCartServiceInterface
             ->get();
         foreach ($res as &$k){
             $k->subtotal = '99.90';
+            foreach ($k->ShoppingCart as &$v){
+                switch (mt_rand(1,3)) {
+                    case 1:
+                        $str = '已下架';
+                        break;
+                    case 2:
+                        $str = '已抢光';
+                        break;
+                    case 3:
+                        $str = '已打烊';
+                        break;
+                }
+                $v['goods']['invalid_cause'] = $str;
+            }
+
         }
         return $res;
     }