From 895316a7918e13783bc72ba2e9fe5557fb4a2786 Mon Sep 17 00:00:00 2001
From: yashen <yashen@gmail.com>
Date: Tue, 27 Sep 2016 17:45:23 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=AF=E6=8C=81access=5Ftoken=E8=BF=87?=
 =?UTF-8?q?=E6=9C=9F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 B3WeChat/Utils/InOutMessageUtil.cs | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/B3WeChat/Utils/InOutMessageUtil.cs b/B3WeChat/Utils/InOutMessageUtil.cs
index 7a364f3..c69d4f0 100644
--- a/B3WeChat/Utils/InOutMessageUtil.cs
+++ b/B3WeChat/Utils/InOutMessageUtil.cs
@@ -20,13 +20,23 @@ namespace BWP.B3WeChat.Utils
 
     static string token;
 
+
+    static DateTime? getTokenTime;
+
+    static readonly TimeSpan expiredSpan = new TimeSpan(2, 0, 0);
     static string TOKEN
     {
       get
       {
+        if (getTokenTime.HasValue &&  ((TimeSpan)(DateTime.Now - getTokenTime.Value)) >= expiredSpan)
+        {
+          token = string.Empty;
+        }
+
         if (string.IsNullOrEmpty(token))
         {
           token = GetToken();
+          getTokenTime = DateTime.Now;
         }
         return token;
       }
@@ -90,7 +100,7 @@ namespace BWP.B3WeChat.Utils
       SendTemplateMessageResult result = new SendTemplateMessageResult();
       MeassageBody body = new MeassageBody();
       body.touser = openID;
-      body.template_id = templateID;
+      body.template_id = templateID;   
       body.url = url;
       body.data = dic;
       string postData = jsonHelper.Serialize(body);