绑定队列编写监听器@RabbitListener(bindings=@QueueBinding(value=@Queue(MqConstants.Queue.LEARNING_RECORD_QUEUE),exchange=@Exchange(value=MqConstants.Exchange.LEARNING_DELAY_EXCHANGE,type=ExchangeTypes.TOPIC,delayed="true&quo

方式一:同步调用        优点:实现简单，粗暴        缺点:业务耦合度高方式二:异步通知        优点:低耦含，实现难度一般        缺点:依赖mq的可靠性方式三:监听binlog        优点:完全解除服务间耦合        缺点: