镜像

• https://hub.docker.com/_/rabbitmq

docker pull rabbitmq:management
docker pull rabbitmq:4.0.7-management

docker-compose.yml

services:rabbitmq:image: rabbitmq:3.9.5-managementcontainer_name: rabbitmqrestart: alwaysnetwork_mode: "host"volumes:- /etc/localtime:/etc/localtime- ./rabbitmq/data:/var/lib/rabbitmqenvironment:RABBITMQ_DEFAULT_USER: adminRABBITMQ_DEFAULT_PASS: Test123RABBITMQ_DEFAULT_VHOST: /test

• 部署 RabbitMQ

docker-compose up -d rabbitmq

访问控制台

• http://IP地址:15672/
  账号/密码：admin/Test123

Spring Boot

• pom.xml

<dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-amqp</artifactId>
</dependency>

• application.yml

spring:rabbitmq:host: 192.168.0.140port: 5672username: adminpassword: Test123virtual-host: /testlistener:simple:# ACK模式(none,auto,manual,默认为auto)acknowledge-mode: auto# 开启重试retry:# 是否开启重试机制enabled: true# 最大重试次数max-attempts: 5# 重试间隔(ms)initial-interval: 5000

批量声明队列

• 常量类 MQConstants

public class MQConstants {public static final String TEST_QUEUE_1 = "test-queue-1";public static final String TEST_QUEUE_2 = "test-queue-2";}

• RabbitMQConfig

import org.springframework.amqp.core.Queue;
import org.springframework.amqp.rabbit.connection.ConnectionFactory;
import org.springframework.amqp.rabbit.core.RabbitAdmin;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.List;@Configuration
public class RabbitMQConfig {@Beanpublic RabbitAdmin rabbitAdmin(ConnectionFactory connectionFactory) {return new RabbitAdmin(connectionFactory);}@Beanpublic List<Queue> createQueues(RabbitAdmin rabbitAdmin) {List<Queue> queueList = new ArrayList<>();List<String> queueNameList = getConstantsValueList(MQConstants.class);for (String queueName : queueNameList) {queueList.add(new Queue(queueName, true));}// 让 RabbitAdmin 主动声明队列queueList.forEach(rabbitAdmin::declareQueue);return queueList;}private List<String> getConstantsValueList(Class<?> clazz) {Field[] fields = clazz.getDeclaredFields();List<String> valueList = new ArrayList<>(fields.length);for (Field field : fields) {int modifiers = field.getModifiers();if (Modifier.isStatic(modifiers) && Modifier.isFinal(modifiers)) {try {valueList.add(field.get(null).toString());} catch (IllegalAccessException e) {e.printStackTrace();}}}return valueList;}}

• 生产者

public Test {@Autowiredprivate RabbitTemplate rabbitTemplate;@Testpublic void test() {rabbitTemplate.convertAndSend(MQConstants.TEST_QUEUE_1, "test");}
}

• 消费者

import com.rabbitmq.client.Channel;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.amqp.rabbit.listener.api.ChannelAwareMessageListener;
import org.springframework.stereotype.Component;@Component
public class TestConsumer implements ChannelAwareMessageListener {@RabbitListener(queues = MQConstants.TEST_QUEUE_1, concurrency = "10")@Overridepublic void onMessage(Message message, Channel channel) throws Exception {String body = new String(message.getBody());System.out.println(" [x] Received: " + body);try {// 模拟业务逻辑if ("error".equals(body)) {throw new Exception("处理失败");}// 处理成功，手动 ACK// channel.basicAck(message.getMessageProperties().getDeliveryTag(), false);System.out.println(" [✔] Done");} catch (Exception e) {System.out.println(" [✖] Error: " + e.getMessage());// 抛异常自动重试throw e;// 失败后重新入队// channel.basicNack(message.getMessageProperties().getDeliveryTag(), false, true);}}}