Springboot 整合 RabbitMQ 消费者

依赖

• amqp

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

• 其余依赖

<dependency>
    <groupId>org.apache.commons</groupId>
    <artifactId>commons-lang3</artifactId>
</dependency>

<dependency>
    <groupId>commons-io</groupId>
    <artifactId>commons-io</artifactId>
    <version>2.4</version>
</dependency>

<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>fastjson</artifactId>
    <version>1.1.26</version>
</dependency>

<dependency>
    <groupId>javax.servlet</groupId>
    <artifactId>javax.servlet-api</artifactId>
    <scope>provided</scope>
</dependency>

<dependency>
    <groupId>log4j</groupId>
    <artifactId>log4j</artifactId>
    <version>1.2.17</version>
</dependency>

配置文件

spring.rabbitmq.addresses=localhost:5672
spring.rabbitmq.username=guest
spring.rabbitmq.password=guest
spring.rabbitmq.virtual-host=/
spring.rabbitmq.connection-timeout=15000

server.servlet.context-path=/
server.port=8002

spring.rabbitmq.listener.simple.acknowledge-mode=manual
spring.rabbitmq.listener.simple.max-concurrency=10
spring.rabbitmq.listener.simple.concurrency=5
spring.rabbitmq.listener.simple.prefetch=1

spring.http.encoding.charset=UTF-8
spring.jackson.date-format=yyyy-MM-dd HH:mm:ss
spring.jackson.time-zone=GMT+8
spring.jackson.default-property-inclusion=non_null

消息类

• 要实现 Serializable 接口；

package com.example.rabbitmq.springbootproducer.entity;


import java.io.Serializable;

public class Order implements Serializable{

    private String id;
    private String name;
    private String messageID;

    public Order() {
    }

    public Order(String id, String name, String messageID) {
        this.id = id;
        this.name = name;
        this.messageID = messageID;
    }

    public String getId() {
        return id;
    }

    public void setId(String id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getMessageID() {
        return messageID;
    }

    public void setMessageID(String messageID) {
        this.messageID = messageID;
    }
}

监听

package com.example.rabbitmq.springbootproducer.consumer;

import com.example.rabbitmq.springbootproducer.entity.Order;
import com.rabbitmq.client.Channel;
import org.springframework.amqp.rabbit.annotation.*;
import org.springframework.amqp.support.AmqpHeaders;
import org.springframework.messaging.handler.annotation.Headers;
import org.springframework.messaging.handler.annotation.Payload;
import org.springframework.stereotype.Component;

import java.util.Map;

@Component
public class OrderReceiver {

    @RabbitListener(bindings = @QueueBinding(
            value = @Queue(value = "order-queue", durable = "true"),
            exchange = @Exchange(name = "order-exchange", durable = "true", type = "topic"),
            key = "order.*"
    ))
    @RabbitHandler
    public void onOrderMessage(@Payload Order order,
                               @Headers Map<String, Object> headers,
                               Channel channel) throws Exception{
        System.out.println("----------收到消息，开始消费-----------");
        System.out.println("订单ID:" + order.getId());

        Long deliveryTag = (Long) headers.get(AmqpHeaders.DELIVERY_TAG);
        // ACK
        channel.basicAck(deliveryTag, false);
    }

}

启动 Springboot 程序

package com.example.rabbitmq.springbootproducer;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class SpringbootConsumerApplication {

    public static void main(String[] args) {
        SpringApplication.run(SpringbootConsumerApplication.class, args);
    }

}