SpringBoot下RabbitMq实现定时任务

//首先rabbitAdmin的配置
 @Bean
 public RabbitAdmin rabbitAdmin(CachingConnectionFactory cachingConnectionFactory){
 RabbitAdmin rabbitAdmin = new RabbitAdmin(cachingConnectionFactory);
 rabbitAdmin.setIgnoreDeclarationExceptions(true);
 return rabbitAdmin;
 }

@Autowired
 RabbitAdmin rabbitAdmin;

 /**
 * 创建延迟队列，该队列内容不会呗监听，TLL到期自动转发
 * @param queueName
 * @param delayExchange
 */
 public void createDelayQueue(String queueName,String delayExchange,String delayRoutingKey){
 Map<String, Object> map = new HashMap<>();
 /**注意这两个参数必须绑定**/
 map.put("x-dead-letter-exchange", delayExchange);
 map.put("x-dead-letter-routing-key", delayRoutingKey);
 rabbitAdmin.declareQueue(new Queue(queueName,true,false,false,map));
 }

 /**
 * 创建普通队列
 * @param queueName
 */
 public void createQueue(String queueName){
 rabbitAdmin.declareQueue(new Queue(queueName,true,false,false,new HashMap<>()));
 }
 /**
 * 创建延迟队列得交换机，就是一个普通得交换机
 * @param name
 */
 public void createExchange(String name){
 rabbitAdmin.declareExchange(new DirectExchange(name,true,false));
 }

 /**
 * 绑定队列
 * @param queueName
 * @param delayExchange
 * @param routeKey
 */
 public void bindQueue(String queueName,String delayExchange,String routeKey){
 rabbitAdmin.declareBinding(new Binding(queueName,Binding.DestinationType.QUEUE,delayExchange,routeKey,new HashMap<>()));
 }

 /**
 * 发送消息
 * @param message
 * @param exchange
 * @param routeKey
 * @param tll 时间 单位毫秒
 */
 public void sendMessageWithTll(String message,String exchange,String routeKey,String tll){
 rabbitAdmin.getRabbitTemplate().convertAndSend(exchange, routeKey, message, new MessagePostProcessor() {
  @Override
  public Message postProcessMessage(Message message) throws AmqpException {
  message.getMessageProperties().setExpiration(tll);
  return message;
  }
 });
 }

 @Override
 public void sendMessage(String message, String exchange, String routeKey) {
 rabbitAdmin.getRabbitTemplate().convertAndSend(exchange, routeKey, message, new MessagePostProcessor() {
  @Override
  public Message postProcessMessage(Message message) throws AmqpException {
  return message;
  }
 });
 }

/**
 * 监听消息
 * @param message
 * @return
 */
 @RabbitListener(queues = "consumerQueue")
 public void getMessage(String message){
 System.out.println("收到消息getMessage:"+message +",time="+MyUtil.FormatDate(new Date()));
 }