在springboot启动时给钉钉群发通知

@ServletComponentScan
public classApplication {

    //DingTalk Bean变量
    private static String DING_TALK_UTIL_BEAN = "dingtalkUtil";
    public static voidmain(String[] args) {
//new SpringApplicationBuilder(Application.class).initializers(new AqumonApplicationContextInitializer()).run(args);
ConfigurableApplicationContext applicationContext = SpringApplication.run(Application.class, args);
        ConfigurableListableBeanFactory beanFactory =applicationContext.getBeanFactory();
        //获取DingTalk Bean
        DingtalkUtil dingTalk =(DingtalkUtil) beanFactory.getBean(DING_TALK_UTIL_BEAN);
        //发送DingTalk通知
        dingTalk.sendTextNotificationToAccountInfo("INFO:Account启动完成");
    }
}

@Data
public classDingtalkUtil {
    Logger logger = LogManager.getLogger(DingtalkUtil.class);

    privateURI WEBHOOK_URL_ACCOUNT;

    privateURI WEBHOOK_URL_ACCOUNT_INFO;

    publicDingtalkUtil(DingtalkConfig dingtalkConfig) {
        try{
            WEBHOOK_URL_ACCOUNT = newURI(dingtalkConfig.getAccountUrl());
            WEBHOOK_URL_ACCOUNT_INFO = newURI(dingtalkConfig.getAccountInfoUrl());

        } catch(URISyntaxException e) {
            logger.fatal("Failed to parse URI of reminder webhook, due to: " +e.getMessage());
        }
    }

    /*** 发送文本提醒至Account警告群
     *
     * @parammsg 信息
     */
    public voidsendTextNotificationToAccount(String msg) {
        sendTextNotification(msg, WEBHOOK_URL_ACCOUNT);
    }

    /*** 发送文本提醒至Account通知群
     *
     */
    public voidsendTextNotificationToAccountInfo(String msg) {
        sendTextNotification(msg, WEBHOOK_URL_ACCOUNT_INFO);
    }

    /*** 发送文本提醒至任意机器人
     *
     * @parammsg        信息
     * @paramwebhookUri 机器人的webhook地址，新的地址可在上面添加为常量
     */
    public voidsendTextNotification(String msg, URI webhookUri) {
        RestTemplate restTemplate = newRestTemplate();
        restTemplate.getMessageConverters().add(0, new StringHttpMessageConverter(Charset.forName("UTF-8")));
        HttpHeaders headers = newHttpHeaders();
        headers.setContentType(MediaType.APPLICATION_JSON);
        HttpEntity<String> entity = new HttpEntity<String>(buildJsonTextMessage(msg, false), headers);
        HttpEntity<String> response = restTemplate.postForEntity(webhookUri, entity, String.class);
        logger.info("Response:
" +response.getBody());
    }

    /*** 创建文本提醒Body
     *
     * @parammsg
     * @paramisAtAll
     * @return
     */
    public String buildJsonTextMessage(String msg, booleanisAtAll) {
        StringBuilder sb = newStringBuilder();
        String atAll = isAtAll ? "true" : "false";
        sb.append("{ "msgtype": "text", "text": { "content": "" + msg + ""}, "isAtAll": " + atAll + "}");
        returnsb.toString();
    }