Java RabbitMQ配置和使用，基于SpringBoot

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package rabbitmq.demo;   import com.rabbitmq.client.AMQP; import org.junit.Test; import org.junit.runner.RunWith; import org.springframework.amqp.core.AmqpAdmin; import org.springframework.amqp.core.Binding; import org.springframework.amqp.core.DirectExchange; import org.springframework.amqp.core.Queue; import org.springframework.amqp.rabbit.annotation.RabbitListener; import org.springframework.amqp.rabbit.core.RabbitTemplate; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.test.context.SpringBootTest; import org.springframework.test.context.junit4.SpringRunner;   import java.time.LocalDateTime; import java.time.format.DateTimeFormatter; import java.util.HashMap; import java.util.Map; import java.util.UUID;   @RunWith(SpringRunner.class) @SpringBootTest public class DemoApplicationTests {       @Autowired     RabbitTemplate rabbitTemplate;  //使用RabbitTemplate,这提供了接收/发送等等方法       @Autowired     AmqpAdmin amqpAdmin;       /**      * 创建交换器 Exchange      */     @Test     public void createExchange() {         // 创建Exchange 交换器         amqpAdmin.declareExchange(new DirectExchange("amqpadmin.exchange"));         System.out.println("创建Exchange完成");         // 创建Queue 队列，持久化         amqpAdmin.declareQueue(new Queue("amqpproduct", true));         System.out.println("创建Queue完成");         // 创建绑定规则         amqpAdmin.declareBinding(new Binding("amqpproduct", Binding.DestinationType.QUEUE,                 "amqpadmin.exchange", "amqpproduct", null));         System.out.println("创建绑定规则完成");     }       /**      * 发送消息给RabbitMQ消息队列 发送单播 点对点的消息  direct方式      */     @Test     public void rabbitMqSendTest() {         String messageId = String.valueOf(UUID.randomUUID());         String messageData = "test message, hello!";         String createTime = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));         Map<String, Object> map = new HashMap<>();         map.put("messageId", messageId);         map.put("messageData", messageData);         map.put("createTime", createTime);           //方式一  以默认序列化的方式发送，如用json的方式，写RabbitConfig文件         rabbitTemplate.convertAndSend("myexchange.direct", "myproduct", map);     }       /**      * 发送消息给RabbitMQ消息队列 广播方式  fanout方式      */     @Test     public void rabbitMqSendTest2() {         String messageId = String.valueOf(UUID.randomUUID());         String messageData = "test message, hello!";         String createTime = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));         Map<String, Object> map = new HashMap<>();         map.put("messageId", messageId);         map.put("messageData", messageData);         map.put("createTime", createTime);           //fanout广播方式 不用填路由键 无效         rabbitTemplate.convertAndSend("myexchange.fanout", "", map);     }       /**      * 从RabbitMQ接收消息      */     @Test     public void rabbitMqGetTest() {         //收取消息成功后，会从相对应的消息队列里删除该消息         Object o = rabbitTemplate.receiveAndConvert("myproduct");         System.out.println("接收的消息队列数据类型：" + o.getClass());         System.out.println("接收的消息队列数据：" + o.toString());     }   }

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package rabbitmq.demo.config;   import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter; import org.springframework.amqp.support.converter.MessageConverter; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration;   @Configuration public class RabbitConfig {       /**      * 用json方式替换默认的序列化      * @return      */     @Bean     public MessageConverter messageConverter()     {         return  new Jackson2JsonMessageConverter();     } }

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package rabbitmq.demo.service;   import org.springframework.amqp.rabbit.annotation.RabbitListener; import org.springframework.stereotype.Service;   @Service public class RabbitListenerService {     /**      * 添加监听器，自动获取消息队列信息      * @param o      */     @RabbitListener(queues = {"myproduct","myproduct","myarticle.new"})  //可监听多个queue     public  void  rabbitMqListenerReceive(Object o){         // 需要在启动入口添加 @EnableRabbit   开启基于注解的rabbitMQ模式         System.out.println("接收的消息队列数据类型：" + o.getClass());         System.out.println("接收的消息队列数据：" + o.toString());     } }

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#application.yml server:   port: 8080 spring:   #给项目来个名字   application:     name: rabbitmq-provider   #配置rabbitMq 服务器   rabbitmq:     host: 139.199.162.126     port: 5672     username: xxxx     password: xxxx     #虚拟host 可以不设置,使用server默认host     #virtual-host: JCcccHost

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