1.验证用户消息

@RequestMapping(value = "/verifier",method = {
          
   RequestMethod.POST})
    public void processPost(HttpServletRequest request, HttpServletResponse response) throws Exception{
          
   
        PrintWriter out=response.getWriter();
        Map<String, String> msgMap = WechatUtils.xmlToMap(request);
        request.setCharacterEncoding("UTF-8");
        response.setCharacterEncoding("UTF-8");
        response.setContentType("text/html;charset=UTF-8");
        /**接收消息*/
        if (StringUtils.equals("text",msgMap.get("MsgType")) && StringUtils.equals(StringUtils.trim(msgMap.get("Content")),"消息内容")){
          
   
            String xml = pushBindingInfo(msgMap);
            out.println(xml);
        }
    }

处理推送给用户的消息，转为xml，我这里推送的是一个链接，用户点击消息可以跳转到自定义的页面；

public String pushBindingInfo(Map<String, String> msgMap){
          
   
        TextMessage textMessage = new TextMessage();
        textMessage.setToUserName(msgMap.get("FromUserName"));
        textMessage.setFromUserName(msgMap.get("ToUserName"));
        textMessage.setCreateTime(msgMap.get("CreateTime"));
        textMessage.setMsgType("text");
        String appId = "APPID";
        String url = "链接";
        textMessage.setContent("<a href="+url+">推送的消息</a>");
        XStream xstream = new XStream();
        xstream.alias("xml", textMessage.getClass());
        String xml = xstream.toXML(textMessage);
        return xml;
    }

2.网页授权获取用户基本信息