订单支付倒计时秒数

application/admin/model/shopro/order/Order.php

@@ -174,6 +174,10 @@ class Order extends Common
         if (isset($ext['refund_time']) && $ext['refund_time']) {
             $ext['refund_date'] = date('Y-m-d H:i:s', $ext['refund_time']);
         }
+
+        //订单支付到期倒计时秒数
+        $ext['expired_second']   = isset($ext['expired_time']) ? $ext['expired_time'] - time() : 0;
+
         return $ext;
     }