源代码/main/资源/应用程序.yml

spring:
  rabbitmq:
    username: guest
    password: guest
    host: rabbitmq
    port: 5672
    virtual-host: someVirtualHost

https://docs.spring.io/spring-boot/docs/current/reference/html/application-properties.html

Spring属性包括RabbitMQ的特定设置。请尝试将ActiveMQ配置替换为以下内容。
示例：

spring.rabbitmq.host = 127.0.0.1
spring.rabbitmq.port = 5672
spring.rabbitmq.username = guest
spring.rabbitmq.password = guest

尝试在spring Boot 属性中更改您的rabbitMQ配置：

spring.rabbitmq.host = 127.0.0.1
spring.rabbitmq.port = 5672
spring.rabbitmq.username = guest
spring.rabbitmq.password = guest

使用springboot的默认设置是不错的，但是如果我们想添加外部的rabbit示例到spring container，那么我们应该遵循如下步骤
application.yml

rabbitmq:
  host: 'hostname'
  vhost: 'vhostname'
  user: 'userName'
  password: 'passwd'
  port: 5672

配置类

@Configuration
    public class RabbitConfig {

        @Value("${rabbitmq.host}")
        private String host;
        @Value("${rabbitmq.vhost}")
        private String vhost;
        @Value("${rabbitmq.user}")
        private String user;
        @Value("${rabbitmq.password}")
        private String password;
        @Value("${rabbitmq.port}")
        private int port;

        @Bean
        public ConnectionFactory connectionFactory() {
            CachingConnectionFactory factory = new CachingConnectionFactory();
            System.out.println("rmqhost is " + host);
            factory.setHost(host);
            factory.setVirtualHost(vhost);
            factory.setUsername(user);
            factory.setPassword(password);
            factory.setPort(port);
            return factory;
        }

        @Bean
        public RabbitAdmin rabbitAdmin() {
            return new RabbitAdmin(connectionFactory());
        }

    }

我们可以为rabbitmqtemplate或rabbitmqListener创建Bean