* `@Componet`：类上的注解，注册到Spring容器 * `@RabbitListener`：方法上的注解，声明这个方法是一个消费者方法，需要指定下面的属性： * `bindings`：指定绑定关系，可以有多个。值是`@QueueBinding`的数组。`@QueueBinding`包含下面属性： * `value`：这个消费者关联的队列。值是`@Queue`，代表一个队列 * `exchange`：队列所绑定的交换机，值是`@Exchange`类型 * `key`：队列和交换机绑定的`RoutingKey` ~~~ @Component public class Listener { @RabbitListener(bindings = @QueueBinding( value = @Queue(value = "spring.test.queue", durable = "true"), exchange = @Exchange( value = "spring.test.exchange", ignoreDeclarationExceptions = "true", type = ExchangeTypes.TOPIC ), key = {"#.#"} )) public void listen(String msg){ System.out.println("接收消息:"+ msg); } } ~~~