From ecb053700fb9e6747782ca9c7404f596dc46e766 Mon Sep 17 00:00:00 2001
From: Oceania2018 <haiping008@gmail.com>
Date: Tue, 16 Oct 2018 06:15:38 -0500
Subject: [PATCH] =?UTF-8?q?=E5=9C=A8RequestMessageTextKeywordHandler?=
 =?UTF-8?q?=E9=87=8C=E9=A2=84=E7=95=99=E4=B8=80=E4=B8=AA=E4=B8=93=E9=97=A8?=
 =?UTF-8?q?=E7=9A=84NLU=E6=8E=A5=E5=8F=A3=E3=80=82?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 .../Extensions/RequestMessageTextExtension.cs  | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/Senparc.NeuChar/Entities/Base/Request/Extensions/RequestMessageTextExtension.cs b/src/Senparc.NeuChar/Entities/Base/Request/Extensions/RequestMessageTextExtension.cs
index 2633641..346da72 100644
--- a/src/Senparc.NeuChar/Entities/Base/Request/Extensions/RequestMessageTextExtension.cs
+++ b/src/Senparc.NeuChar/Entities/Base/Request/Extensions/RequestMessageTextExtension.cs
@@ -163,6 +163,24 @@ public static RequestMessageTextKeywordHandler Regex(this RequestMessageTextKeyw
             return handler;
         }
 
+        /// <summary>
+        /// 自然语言理解
+        /// Natural Language Understanding
+        /// 可以使用第三方NLU服务接口或开源聊天机器人框架BotSharp(https://github.com/Oceania2018/BotSharp)
+        /// </summary>
+        /// <param name="handler"></param>
+        /// <param name="func"></param>
+        /// <returns></returns>
+        public static RequestMessageTextKeywordHandler NLU(this RequestMessageTextKeywordHandler handler, Func<IResponseMessageBase> func)
+        {
+            if (!handler.MatchSuccessed)
+            {
+                handler.ResponseMessage = func();
+            }
+
+            return handler;
+        }
+
         /// <summary>
         /// 默认消息
         /// </summary>