SpringBoot 使用 Amqp

目录

 一、服务如何安装rabbitmqdocker 安装 rabbitmq

二、导入依赖

三、配置文件内容

四、配置类

五、用户类

六、发送类

七、接收类

八、Api类

代码地址

---

 

 一、服务如何安装rabbitmq
docker 安装 rabbitmq_282162974838632的博客-优快云博客https://blog.youkuaiyun.com/qq_51767561/article/details/127462422?spm=1001.2014.3001.5501

二、导入依赖

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-amqp</artifactId>
</dependency>
<dependency>
    <groupId>org.projectlombok</groupId>
    <artifactId>lombok</artifactId>
    <optional>true</optional>
</dependency>

三、配置文件内容

#RabbitMq所在服务器IP
spring.rabbitmq.host=127.0.0.1
#连接端口号
spring.rabbitmq.port=5672
#用户名
spring.rabbitmq.username=root
#用户密码
spring.rabbitmq.password=123456
#消息队列名
rabbitmq.queue.name=queue1

四、配置类

@Configuration(proxyBeanMethods = false)
public class AppBean {

    @Value("${spring.rabbitmq.host}")
    private String host;

    @Value("${spring.rabbitmq.port}")
    private int port;

    @Value("${spring.rabbitmq.username}")
    private String username;

    @Value("${spring.rabbitmq.password}")
    private String password;

    @Value(value = "${rabbitmq.queue.name}")
    private String queueName;

    /**
     * 创建一个消息队列
     */
    @Bean
    public Queue helloQueue() {
        return new Queue(queueName);
    }

    @Bean
    RabbitTemplate rabbitTemplate(ConnectionFactory connectionFactory, Jackson2JsonMessageConverter converter) {
        RabbitTemplate template = new RabbitTemplate();
        template.setConnectionFactory(connectionFactory);
        template.setMessageConverter(converter);
        return template;
    }

    /**
     * 使用 Jackson 转化器原因：
     * 1. 使数据在远程以json的形式保存
     * 2. 使不同的客户端接受相同类型的数据时，使数据能正常转换
     */
    @Bean
    Jackson2JsonMessageConverter messageConverter() {
        return new Jackson2JsonMessageConverter();
    }

    @Bean(name = "connectionFactory")
    public ConnectionFactory connectionFactory() {
        CachingConnectionFactory connectionFactory = new CachingConnectionFactory(host, port);
        connectionFactory.setUsername(username);
        connectionFactory.setPassword(password);
        return connectionFactory;
    }
}

五、用户类

@Data
@AllArgsConstructor
@NoArgsConstructor
public class User implements Serializable {

    private String name;

    private String description;

    @JsonDeserialize(using = LocalDateTimeDeserializer.class)
    @JsonSerialize(using = LocalDateTimeSerializer.class)
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
    private LocalDateTime createBy;


}

六、发送类

@Service
public class SenderService {

    @Autowired
    private RabbitTemplate rabbitTemplate;

    public boolean send(String queue, User user)  {
        MessagePostProcessor message= new MessagePostProcessor() {
            /**
             * 设置消息头中的消息
             */
            @Override
            public Message postProcessMessage(Message message) throws AmqpException {
                message.getMessageProperties().setHeader("headMsg","wjy");
                // User类自动转化位字符串类型
                message.getMessageProperties().setHeader("headContent",user);
                return message;
            }
        };
        System.out.println("send: "+queue + " : " + user);
        rabbitTemplate.convertAndSend(queue,user, message);
        return true;
    }
}

七、接收类

@Service
public class ReceiverService {

    /**
     * @RabbitListener(queues = "queue1") 表示监听的消息队列名为 “queue1”
     * @Payload 表示接受消息体的消息
     * @Header 表示接受消息头的消息 ，消息头只能接受 string 类型参数
     */
    @RabbitListener(queues = "queue1")
    public void process1(@Payload User user, @Header(name = "headMsg") String headMsg, @Header(name = "headContent") String headContent) {
        System.out.println("Receiver1 body: " + user);
        System.out.println("Receiver1 head headMsg : " + headMsg);
        System.out.println("Receiver1 head headContent : " + headContent);
    }

}

八、Api类

@RestController
@RequestMapping("/rabbitmq")
public class RabbitmqApi {

    @Autowired
    private SenderService sender;

    @GetMapping("/sender/{queue}/{name}/{des}")
    public boolean sender(@PathVariable("queue") String queue, @PathVariable("name") String name, @PathVariable("des") String des) {
        User user = new User(name, des, LocalDateTime.now());
        System.out.println(user);
        return sender.send(queue, user);
    }

}

代码地址：

GitHub - 3154834560/amqp_testContribute to 3154834560/amqp_test development by creating an account on GitHub.https://github.com/3154834560/amqp_test

自己记录的一些笔记，内容如有不对请指正