response.getWriter().write(Content(Content,FromUserName,ToUserName));// 将回应发送给微信服务器  

 public static String Content(String Content,String FromUserName,String ToUserName)

  {

// 接收用户发送的文本消息内容

  //创建图文消息

  NewsMessage newsMessage = new NewsMessage(); 

      newsMessage.setToUserName(ToUserName); 

      newsMessage.setFromUserName(FromUserName); 

      newsMessage.setCreateTime(new Date().getTime()); 

      newsMessage.setMsgType(MessageUtil.RESP_MESSAGE_TYPE_NEWS); 

      newsMessage.setFuncFlag(0); 

      List<Article> articleList = new ArrayList<Article>();   

//单图文消息

      Article article = new Article(); 

      article.setTitle("新闻标题"); 

      article.setDescription("新闻简介"); 

      article.setPicUrl("http://www.119ypt.com/cure/upload/1111111.jpg");

      article.setUrl("http://blog.csdn.net/lyq8479");

      articleList.add(article); 

//设置图文消息个数

      newsMessage.setArticleCount(articleList.size()); 

//设置图文消息包含的图文集合

      newsMessage.setArticles(articleList); 

//将图文消息对象转换成xml字符串

      MessageUtil.messageToXml(newsMessage); 

  return MessageUtil.messageToXml(newsMessage);

  }

/**

* 图文消息对象转换成xml

* @param newsMessage

*            图文消息对象

* @return xml

*/

public static String messageToXml(NewsMessage newsMessage) {

xstream.alias("xml", newsMessage.getClass());

xstream.alias("item", new Article().getClass());

return xstream.toXML(newsMessage);

}

<xml>

  <ToUserName><![CDATA[gh_a2f90ff244eb]]></ToUserName>

  <FromUserName><![CDATA[oqDVT0t9c32X81SlQwjG4YoznAac]]></FromUserName>

  <CreateTime><![CDATA[1577348731280]]></CreateTime>

  <MsgType><![CDATA[news]]></MsgType>

  <FuncFlag><![CDATA[0]]></FuncFlag>

  <ArticleCount><![CDATA[1]]></ArticleCount>

  <Articles>

    <item>

      <Title><![CDATA[新闻标题]]></Title>

      <Description><![CDATA[新闻简介]]></Description>

      <PicUrl><![CDATA[http://www.119ypt.com/cure/upload/1111111.jpg]]></PicUrl>

      <Url><![CDATA[http://blog.csdn.net/lyq8479]]></Url>

    </item>

  </Articles>

</xml>