同一个券码，重复提交校验，3秒内视为同一笔订单。

packages/coupon/src/Action/Init.php

@@ -147,4 +147,37 @@ class Init
         return true;
     }
 
+    /**
+     * Notes: 校验是否已经核销过。3秒内视为同一订单
+     * @Author: 玄尘
+     * @Date  : 2020/8/8 13:43
+     */
+    public function HasCheck()
+    {
+        $code     = $this->redemptionCode;
+        $total    = $this->total;
+        $outletId = $this->outletId;
+
+        $info = Coupon::where('redemptionCode', $this->redemptionCode)
+                      ->where('outletId', $this->outletId)
+                      ->where('total', $this->total)
+                      ->where('status', 2)
+                      ->first();
+        if ($info) {
+            if ($info->created_at->gt(now()->subSecond(3))) {
+                return [
+                    'name'  => $info->couponName,
+                    'total' => $info->total,
+                    'price' => $info->price,
+                ];
+
+            }
+
+            return '核销失败，此优惠券已被使用';
+        }
+
+        return false;
+
+    }
+
 }

packages/coupon/src/Action/pingan/Verification.php

@@ -16,6 +16,12 @@ class Verification extends PingAnInit
 
     public function start()
     {
+        //检查是否已经核销过
+        $res = $this->HasCheck();
+        if ($res !== false) {
+            return $res;
+        }
+
         //检查可核销次数
         $ret = $this->CheckCount();
         if ($ret !== true) {

packages/coupon/src/Action/ysd/YsdVerification.php

@@ -20,11 +20,20 @@ class YsdVerification extends Init
      */
     public function start()
     {
+        //检查是否已经核销过
+        $res = $this->HasCheck();
+        if ($res !== false) {
+            return $res;
+        }
 
-        //查询卡券信息
+        //查询卡券信息  返回model  string 说明报错
         $this->query_coupon = (new YsdQuery)->setOutletId($this->outletId)
                                             ->setCode($this->redemptionCode)
                                             ->start();
+        if (is_string($this->query_coupon)) {
+            return $this->query_coupon;
+        }
+
         //检查可核销次数
         if ($this->query_coupon->activity && $this->query_coupon->activity->need_check) {
             $ret = $this->CheckCount();
@@ -33,10 +42,6 @@ class YsdVerification extends Init
             }
         }
 
-        if (is_string($this->query_coupon)) {
-            return $this->query_coupon;
-        }
-
         //校验卡券
         $ticket = $this->checkCoupon();
         if (!is_array($ticket)) {