Springboot2模塊系列:RabbitMQ

1 配置信息

1.0 pom.xml

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

1.2 application-dev.xml

spring:
  rabbitmq:
    host: localhost
    port: 5672
    username: admin
    password: admin
    publisher-confirms: true 
    publisher-returns: true
    listener:
      direct:
        acknowledge-mode: manual
      simple: 
        acknowledge-mode: manual

2 配置隊列信息

package com.company.web.config;

import org.springframework.context.annotation.Configuration;

// import com.rabbitmq.client.AMQP.Queue;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.rabbit.annotation.EnableRabbit;
import org.springframework.context.annotation.Bean;

/**
 * @uthor xindaqi
 * @description 創建RabbitMQ消息隊列
 * @date 2020-06-29
 */
@Configuration
public class RabbitMQConfig {
    @Bean
    public Queue queueTest(){
        return new Queue("testqueue");
    }
}

3 生產者與消費者

3.1 生產者

package com.company.web.service;

import org.springframework.amqp.core.AmqpTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.stereotype.Service;
import java.util.Map;
import com.alibaba.fastjson.JSONObject;
import com.alibaba.fastjson.JSON;
/**
 * @author xindaqi
 * @description 消息生產者
 * @date 2020-06-29
 */
@Component
public class MQSendService {
    @Autowired 
    private AmqpTemplate template;
    @Autowired
    private RabbitTemplate rabbitTemplate;

    public void send(Map params){
        System.out.println("開始發送消息");
        rabbitTemplate.convertAndSend("testqueue", JSON.toJSONString(params));
    }
}

3.2 消費者

package com.company.web.service;

import org.springframework.amqp.core.AmqpTemplate;
import org.springframework.amqp.core.Message;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.amqp.RabbitProperties.Cache.Channel;
import org.springframework.stereotype.Component;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.amqp.rabbit.annotation.RabbitListener;

/**
 * @author xindaqi
 * @description 消息消費者
 * @date 2020-06-29
 */
@Component
public class MQReceiveService {
    @Autowired
    private AmqpTemplate template;
    @Autowired 
    private RabbitTemplate rabbitTempalte;

    @RabbitListener(queues="testqueue")
    public String receive(String msg){
        System.out.println("msg:"+msg);
        //TODO 寫入數據庫等其他操作
        return msg;
    } 
}

4 生產者接口

package com.company.web.controller;

import java.util.Map;

import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.beans.factory.annotation.Autowired;
import com.company.web.service.MQSendService;

/**
 * @author xindaqi
 * @description 生產者接口,調用接口,生成數據
 * @date 2020-06-29
 */
@CrossOrigin(origins="*", maxAge=3600)
@RestController
@RequestMapping("/api/mq")
public class RabbitMQController {
    @Autowired 
    private MQSendService mqSendService;

    @RequestMapping(value="/send", method=RequestMethod.POST)
    public String sendMsg(@RequestBody Map params){
        mqSendService.send(params);
        return "OK";
    }
}

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【參考文獻】
[1]https://my.oschina.net/u/2364788/blog/2875902
[2]https://www.cnblogs.com/kingsonfu/p/10599608.html