微信公众平台消息接口开发 快递查询

          string str = "";
            WebClient MyWebClient = new WebClient();
            MyWebClient.Credentials = CredentialCache.DefaultCredentials;//获取或设置用于对向Internet资源的请求进行身份验证的网络凭据。
            Byte[] Comp = MyWebClient.DownloadData(Url1); //获取快递公司数据 
            var CompHtml = Encoding.UTF8.GetString(Comp); //如果获取网站页面采用的是UTF-8，则使用这句
            try
            {
                JavaScriptSerializer Compjs = new JavaScriptSerializer();
                var compObj = Compjs.DeserializeObject(CompHtml);
                Dictionary<string, object> Compdic = ((Object[])compObj).ToArray()[0] as Dictionary<string, object>;
                string comCode = Compdic["comCode"].ToString();//查询的公司 申通、圆通等

                Byte[] pageData = MyWebClient.DownloadData(Url2); //从指定网站下载数据  
                var pageHtml = Encoding.UTF8.GetString(pageData); //如果获取网站页面采用的是UTF-8，则使用这句
                JavaScriptSerializer js = new JavaScriptSerializer();
                var obj = js.DeserializeObject(pageHtml);
                Dictionary<string, object> dic = obj as Dictionary<string, object>;
                var message = dic["message"].ToString();
            
                if (message == "ok")
                {
                    for (int i = ((object[])dic.Values.ToArray()[7]).Length - 1; i >= 0; i--)
                    {
                        Dictionary<string, object> temqp = ((object[])dic.Values.ToArray()[7]).ToArray()[i] as Dictionary<string, object>;
                        str += temqp["ftime"] + "\n";
                        str += temqp["context"] + "\n";
                    }
                }
                else
                {
                    str = "[流泪] Sorry,你要查询的快递暂时没有找到，请稍后再试~~";
                }

            }
            catch (Exception)
            {

                str = "[流泪] Sorry,你的快递单号输入有误。亲，仔细核对下单号哟~";
            }
           

            return str;