【新增】后端分发优惠券增加按用户组分发的队列功能。

CoreCms.Net.Configuration/GlobalEnumVars.cs

@@ -948,6 +948,17 @@ namespace CoreCms.Net.Configuration
             invalid = 3
         }
 
+        /// <summary>
+        /// 优惠券分发方式
+        /// </summary>
+        public enum CouponDistributionMode
+        {
+            [Description("个人分发")]
+            Single = 1,
+            [Description("用户组分发")]
+            UserGroup = 2
+        }
+
         #endregion
 
         #region payments支付=================================