顶顶推送消息

public class AliDingDingMessagePush {

    private static final String MAC = "HmacSHA256";

    private static final String CHARSET = "UTF-8";

    private static final String TIMESTAMP = "timestamp";

    private static final String SIGN = "sign";

    private static final String WEBHOOT = "https://oapi.dingtalk.com/robot/send?access_token=";

    private static final String TOKEN = "*****************************************************************";

    private static final String SECRET = "*****************************************************************";

    private static Logger log = LoggerFactory.getLogger(AliDingDingMessagePush.class);

    /**
     * 消息推送
     */
    public static void messaagePush(String title, String message) {

        OapiRobotSendRequest.Actioncard actioncard = new OapiRobotSendRequest.Actioncard();
        actioncard.setTitle(title);
        actioncard.setText(message);
        robotPushActionCardMessage(actioncard);
    }

    /**
     * 机器人推送消息
     *
     * @param actioncard
     * @return
     */
    private static OapiRobotSendResponse robotPushActionCardMessage(OapiRobotSendRequest.Actioncard actioncard) {
        DingTalkClient client = null;
        try {
            client = getDingTalkClient(WEBHOOT, TOKEN, SECRET);
            OapiRobotSendRequest request = new OapiRobotSendRequest();
            request.setMsgtype("actionCard");
            request.setActionCard(actioncard);
            OapiRobotSendResponse response = client.execute(request);
            if (ObjectUtil.isNotEmpty(response) && response.isSuccess()) {
                log.info("钉钉消息发送成功");
            } else {
                log.info("钉钉消息发送成功");
            }
            return response;
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        } catch (InvalidKeyException e) {
            e.printStackTrace();
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (ApiException e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * 获取 DingTalkClient
     *
     * @param webHoot
     * @param token
     * @param secret
     * @return
     * @throws NoSuchAlgorithmException
     * @throws InvalidKeyException
     * @throws UnsupportedEncodingException
     */
    private static DingTalkClient getDingTalkClient(String webHoot, String token, String secret) throws NoSuchAlgorithmException, InvalidKeyException, UnsupportedEncodingException {

        Map<String, String> sign = sign(secret);
        return new DefaultDingTalkClient(webHoot + token + ("&timestamp=" + sign.get("timestamp") + "&sign=" + sign.get("sign")));
    }

    /**
     * 获取sing
     *
     * @param secret
     * @return
     * @throws NoSuchAlgorithmException
     * @throws UnsupportedEncodingException
     * @throws InvalidKeyException
     */
    private static Map<String, String> sign(String secret) throws NoSuchAlgorithmException, UnsupportedEncodingException, InvalidKeyException {

        Long timeMillis = System.currentTimeMillis();
        String stringToSing = timeMillis + "\n" + secret;
        Mac mac = Mac.getInstance(MAC);
        mac.init(new SecretKeySpec(secret.getBytes(CHARSET), MAC));
        byte[] singData = mac.doFinal(stringToSing.getBytes(CHARSET));
        String sign = URLEncoder.encode(new String(Base64.encodeBase64(singData), CHARSET));
        Map<String, String> map = new HashMap<>();
        map.put(TIMESTAMP, timeMillis.toString());
        map.put(SIGN, sign);
        return map;
    }

}