微信公众平台开发之token验证和消息处理的方法

这篇文章介绍微信公众平台开发之token验证和消息处理的方法/** * * @Description: 微信消息处理以及用户分组 * @author zhangjun * @date 2014-1-7 上午10:51:51 */public class WeiXinMessageAction extends BaseAction{/****/private static final long serialVersionUID = 1L;private IFeWeiXinMessageService weiXinExternalService;private String wxNo;public String responseMessgaeInfo(){Boolean isGet = request.getMethod().equalsIgnoreCase("GET");if(isGet){validateSignature();}else{saveWxMessage();}return null;}/**** @Description: 接收post保存接受的消息 只保存MsgType类型为text信息* @param* @return void* @throws*/private void saveWxMessage(){InputStream inputStream;try {request.setCharacterEncoding("UTF-8");Document doc = null;SAXReader reader = new SAXReader();inputStream = request.getInputStream();doc = reader.read(inputStream);Element root = doc.getRootElement();String toUserName = root.element("ToUserName").getTextTrim();String fromUserName = root.element("FromUserName").getTextTrim();String content = root.element("Content").getTextTrim();String msgType=root.element("MsgType").getTextTrim();String msgId=root.element("MsgId").getTextTrim();String createTime=root.element("CreateTime").getTextTrim();//只保存文本消息//时间System.out.println("接收消息内容:"+content+"-----------------msgType:"+msgType);if(WeiXinMsgType.TEXT.type.equals(msgType)){weiXinExternalService.addWxMessage(toUserName, fromUserName, content, msgType, msgId, formatTime(createTime));}} catch (Exception e) {e.printStackTrace();}}/**** @Description: 传入的CreateTime转换成long类型* @param @param createTime* @param @return* @return Date* @throws*/privateDate formatTime(String createTime) {long msgCreateTime = Long.parseLong(createTime) * 1000L;return new Date(msgCreateTime);}/**** @Description: 校验微信签名* @param* @return void* @throws*/private void validateSignature(){PrintWriter out = null;try {String signature = request.getParameter("signature");String timestamp = request.getParameter("timestamp");String nonce = request.getParameter("nonce");out = response.getWriter();if (checkSignature(signature, timestamp, nonce)) {out.print(request.getParameter("echostr"));}} catch (Exception e) {e.printStackTrace();} finally {out.close();out = null;}}/**** @Description: 判断token是否合法* @param @param signature* @param @param timestamp* @param @param nonce* @param @return* @return boolean* @throws*/privateboolean checkSignature(String signature, String timestamp, String nonce) {//根据微信账号获取token并校验Map<String,Object> map=new HashMap<String,Object>();map.put("wxNo", wxNo);WeiXinMasterConfigmasterConfig= weiXinExternalService.selectWeiXinMasterConfig(map);if(masterConfig==null){return false;}String[] arr = new String[] {masterConfig.getWxToken(), timestamp, nonce };Arrays.sort(arr);StringBuilder content = new StringBuilder();for (int i = 0; i < arr.length; i++) {content.append(arr[i]);}MessageDigest md = null;String tmpStr = null;try {md = MessageDigest.getInstance("SHA-1");byte[] digest = md.digest(content.toString().getBytes());tmpStr = byteToStr(digest);} catch (NoSuchAlgorithmException e) {e.printStackTrace();}content = null;return tmpStr != null ? tmpStr.equals(signature.toUpperCase()) : false;}// 将字节转换为十六进制字符串private static String byteToHexStr(byte ib) {char[] Digit = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A','B', 'C', 'D', 'E', 'F' };char[] ob = new char[2];ob[0] = Digit[(ib >>> 4) & 0X0F];ob[1] = Digit[ib & 0X0F];String s = new String(ob);return s;}// 将字节数组转换为十六进制字符串private static String byteToStr(byte[] bytearray) {String strDigest = "";for (int i = 0; i < bytearray.length; i++) {strDigest += byteToHexStr(bytearray[i]);}return strDigest;}以上就是微信公众平台开发之token验证和消息处理的方法的详细内容，更多请关注小潘博客其它相关文章！