/// <summary>
 ///  生成图文消息
 /// </summary>
 /// <param name="model">The model.</param>
 /// <param name="articles">The content.</param>
 /// Author  : 俞立钢
 /// Company : 绍兴标点电子技术有限公司
 /// Created : 2014-10-24 09:57:37
 private static void ProduceNews(Dictionary<string, string> model, List<ArticlesModel> articles)
 {
     SendPicTxt text = new SendPicTxt();
     text.ToUserName = model.ReadKey(PublicField.FromUserName);
     text.FromUserName = model.ReadKey(PublicField.ToUserName);
     text.CreateTime = int.Parse(model.ReadKey(PublicField.CreateTime));
     text.MsgType = "news";
     text.ArticleCount = articles.Count.ToString("D");
 }

 /// <summary>
 ///  回复图文消息的函数
 /// </summary>
 /// <param name="model">The model.</param>
 /// <param name="articles">The content.</param>
 /// Author  : 俞立钢
 /// Company : 绍兴标点电子技术有限公司
 /// Created : 2014-10-24 09:57:37
 private static void ProduceNews(Dictionary<string, string> model, List<ArticlesModel> articles)
 {
     SendPicTxt news = new SendPicTxt();
     news.ToUserName = model.ReadKey(PublicField.FromUserName);
     news.FromUserName = model.ReadKey(PublicField.ToUserName);
     news.CreateTime = int.Parse(model.ReadKey(PublicField.CreateTime));
     news.MsgType = "news";
     news.ArticleCount = articles.Count.ToString("D");
     news.Articles = articles;
     OperateXml.ResponseEnd(Templete.SendNews(news));
 }

 /// <summary>
 ///  回复图文信息
 /// </summary>
 /// <param name="model">The model.</param>
 /// Author  : 俞立钢
 /// Company : 绍兴标点电子技术有限公司
 /// Created : 2014-10-10 11:19:47
 public static string SendNews(SendPicTxt model)
 {
     string item = "";
     foreach (ArticlesModel articles in model.Articles)
     {
         item += string.Format(@"
                             <item>
                             <Title><![CDATA[{0}]]></Title>
                             <Description><![CDATA[{1}]]></Description>
                             <PicUrl><![CDATA[{2}]]></PicUrl>
                             <Url><![CDATA[{3}]]></Url>
                             </item>", articles.Title, articles.Description, articles.PicUrl, articles.Url);
     }
     return string.Format(@"<xml>
                             <ToUserName><![CDATA[{0}]]></ToUserName>
                             <FromUserName><![CDATA[{1}]]></FromUserName>
                             <CreateTime>{2}</CreateTime>
                             <MsgType><![CDATA[{3}]]></MsgType>
                             <ArticleCount>{4}</ArticleCount>
                             <Articles>{5}</Articles>
                            </xml> ", model.ToUserName, model.FromUserName, model.CreateTime, model.MsgType, model.ArticleCount, item);
 }