微信服务号推送模板消息接口

public static void Send()
   {
    dynamic postData = new ExpandoObject();
    postData.touser = "OpenId";
    postData.template_id = "template_id";
    postData.url = string.Empty;
    postData.topcolor = "#FF";
    postData.data = new ExpandoObject();
    var data = new[]
    {
     new Tuple<string, string, string>("title", "航班延误通知", "#FF"),
     new Tuple<string, string, string>("trainNumber", "分钟", "#FF"),
     new Tuple<string, string, string>("fromto", "上海-北京", "#FF"),
     new Tuple<string, string, string>("formerTime", "// ::", "#FF"),
     new Tuple<string, string, string>("Time", "// ::", "#FF"),
     new Tuple<string, string, string>("number", "分钟", "#FF"),
     new Tuple<string, string, string>("reason", "天气原因", "#FF"),
     new Tuple<string, string, string>("remark", "请关注我们的微信通知", "#FF")
    };
    var dataDict = (IDictionary<string, object>)postData.data;
    foreach (var item in data)
    {
     dataDict.Add(item.Item, new { value = item.Item, color = item.Item });
    }
    string json = ((object)postData).Serialize();
    Console.WriteLine(json);
    var r = NetUtils.CreateHttpResponse(@"https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=@access_token", json);
    Console.WriteLine(r);
   }