添加枚举类

src/Reservation/Enum/ReservEnum.php

+<?php
+/**
+ * Created by PhpStorm.
+ * User: Administrator
+ * Date: 2018/8/24
+ * Time: 15:28
+ */
+namespace Hdll\Services\Reservation\Enum;
+
+class ReservEnum
+{
+    const TYPE_ORDER  = 1; // 表示从订单创建产生的预约
+    const TYPE_SELLER = 2; // 表示卖家自己后台添加的预约
+    const TYPE_AFTER  = 3; // 表示订购服务的后续服务的预约
+}
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