微信推送模板消息在微信的服务号中，往往需要对订阅用户推送消息，有时候会用到模板消息，下面的代码仅供参考，个人测试成功。
@access_token 请调用https://api.weixin.QQ.com/cgi-bin/token?grant_type=client_credential&appid=@appid&secret=@secret 接口获取。
1 public static void Send() 2 { 3 dynamic postData = new ExpandoObject(); 4 postData.touser = "OpenId"; 5 postData.template_id = "template_id"; 6 postData.url = string.Empty; 7 postData.topcolor = "#FF0000"; 8 postData.data = new ExpandoObject(); 9 var data = new[]10 {11 new Tuple<string, string, string>("title", "航班延误通知", "#FF0000"),12 new Tuple<string, string, string>("trainNumber", "10分钟", "#FF0000"),13 new Tuple<string, string, string>("fromto", "上海-北京", "#FF0000"),14 new Tuple<string, string, string>("formerTime", "2015/7/31 14:36:32", "#FF0000"),15 new Tuple<string, string, string>("Time", "2015/07/31 14:36:32", "#FF0000"),16 new Tuple<string, string, string>("number", "10分钟", "#FF0000"),17 new Tuple<string, string, string>("reason", "天气原因", "#FF0000"),18 new Tuple<string, string, string>("remark", "请关注我们的微信通知", "#FF0000")19 };20 var dataDict = (IDictionary<string, object>)postData.data;21 foreach (var item in data)22 {23 dataDict.Add(item.Item1, new { value = item.Item2, color = item.Item3 });24 }25 string json = ((object)postData).Serialize();26 27 Console.WriteLine(json);28 var r = NetUtils.CreateHttPResponse(@"https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=@access_token", json);29 Console.WriteLine(r);30 }