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public class WeiXinServlet extends HttpServlet {

private static final long serialVersionUID = 1L;

    /**

     * @see HttpServlet#HttpServlet()

     */

    public WeiXinServlet() {

        super();

        // TODO Auto-generated constructor stub

    }

/**

* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)

*/

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

String signature = request.getParameter("signature");

String timestamp = request.getParameter("timestamp");

String nonce = request.getParameter("nonce");

String echostr = request.getParameter("echostr");

PrintWriter out=response.getWriter();

if(CheckUtil.checkSignature(signature, timestamp, nonce, echostr)){

out.print(echostr);

}

}

/**

* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)

*/

protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

request.setCharacterEncoding("UTF-8");

response.setCharacterEncoding("UTF-8");

PrintWriter out=response.getWriter();

try {

Map<String, String> map = MessageUtil.xmlToMap(request);

String fromUserName = map.get("FromUserName");

String toUserName = map.get("ToUserName");

String msgType = map.get("MsgType");

String content = map.get("Content");

String message =null;

if("text".equals(msgType)){

TextMessage text=new TextMessage();

text.setFromUserName(toUserName);

text.setToUserName(fromUserName);

text.setMsgType("text");

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

text.setContent("您响应的消息是："+content);

message = MessageUtil.textMessageToXML(text);

}

out.print(message);

System.out.println("-------------------------");

System.out.println(message);

} catch (Exception e) {

// TODO Auto-generated catch block

e.printStackTrace();

}finally {

out.close();

}

}

}