增加导入平安结算订单

app/Models/Coupon.php

@@ -22,6 +22,13 @@ class Coupon extends Model
         self::TYPE_YSD    => '自有券',
     ];
 
+    const SETTLE_YES = 1;
+    const SETTLE_NO  = 0;
+    const SETTLES    = [
+        self::SETTLE_YES => '是',
+        self::SETTLE_NO  => '否',
+    ];
+
     //状态
     public function getStatusTextAttribute()
     {