重复提交问题

app-hd/controllers/PurchaseClearController.php

@@ -108,6 +108,10 @@ class PurchaseClearController extends BaseController
         if ($order->status == PurchaseClearClass::STATUS_EXPIRE) {
             util::fail('账单已取消了');
         }
+
+        //避免重复提交
+        util::checkRepeatCommit($orderSn, 8);
+
         $oldOrderSn = $orderSn;
         $current = time();
         $id = $order->id;