D:\RabbitMQ Server\rabbitmq_server-3.13.0\sbin

rabbitmq-plugins enable rabbitmq_management

rabbitmqctl status

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
       <groupId>org.springframework.boot</groupId>
       <artifactId>spring-boot-starter-parent</artifactId>
       <version>3.2.3</version>
       <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.example</groupId>
    <artifactId>springboot-rabbitmq</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>springboot-rabbitmq</name>
    <description>springboot-rabbitmq</description>
    <properties>
       <java.version>17</java.version>
    </properties>
    <dependencies>
       <dependency>
          <groupId>org.springframework.boot</groupId>
          <artifactId>spring-boot-starter</artifactId>
       </dependency>
       <dependency>
          <groupId>org.springframework.boot</groupId>
          <artifactId>spring-boot-devtools</artifactId>
          <scope>runtime</scope>
          <optional>true</optional>
       </dependency>
       <dependency>
          <groupId>org.springframework.boot</groupId>
          <artifactId>spring-boot-configuration-processor</artifactId>
          <optional>true</optional>
       </dependency>
       <dependency>
          <groupId>org.springframework.boot</groupId>
          <artifactId>spring-boot-starter-test</artifactId>
          <scope>test</scope>
       </dependency>
       <dependency>
          <groupId>org.springframework.boot</groupId>
          <artifactId>spring-boot-starter-web</artifactId>
       </dependency>
       <dependency>
          <groupId>org.springframework.boot</groupId>
          <artifactId>spring-boot-starter-amqp</artifactId>
       </dependency>
       <dependency>
          <groupId>cn.hutool</groupId>
          <artifactId>hutool-all</artifactId>
          <version>5.8.24</version>
       </dependency>
    </dependencies>
    <build>
       <plugins>
          <plugin>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-maven-plugin</artifactId>
          </plugin>
       </plugins>
    </build>
</project>

# rabbitmq連接配置信息
spring.rabbitmq.host=127.0.0.1
spring.rabbitmq.port=5672
spring.rabbitmq.username=guest
spring.rabbitmq.password=guest
# 確保消息在未被隊(duì)列接收時(shí)返回
spring.rabbitmq.publisher-returns=true
# 發(fā)布消息成功到交換器后會(huì)觸發(fā)回調(diào)方法
spring.rabbitmq.publisher-confirm-type=correlated

package com.example.springbootrabbitmq.controller;
import com.example.springbootrabbitmq.config.MqProducerCallBack;
import jakarta.annotation.Resource;
import org.springframework.amqp.core.MessageDeliveryMode;
import org.springframework.amqp.rabbit.connection.CorrelationData;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
@RequestMapping("push/message")
public class PushMessageController {
    @Resource
    private RabbitTemplate rabbitTemplate;
    @Resource
    private MqProducerCallBack mqProducerCallBack;
    @GetMapping("test")
    public String sendMessage() {
        // correlationData：對(duì)象內(nèi)部只有一個(gè) id 屬性，用來(lái)表示當(dāng)前消息的唯一性。
        CorrelationData correlationData = new CorrelationData("id_" + System.currentTimeMillis());
        // 消息確認(rèn)和返回回調(diào)
        rabbitTemplate.setConfirmCallback(mqProducerCallBack);
        rabbitTemplate.setReturnsCallback(mqProducerCallBack);
        // 消息發(fā)送
        rabbitTemplate.convertAndSend("my-queue", "hello world", message -> {
            message.getMessageProperties().setDeliveryMode(MessageDeliveryMode.PERSISTENT);
            return message;
        }, correlationData);
        return "publisher success...";
    }
}

package com.example.springbootrabbitmq.config;
import cn.hutool.json.JSONUtil;
import org.springframework.amqp.core.ReturnedMessage;
import org.springframework.amqp.rabbit.connection.CorrelationData;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.stereotype.Component;
@Component
public class MqProducerCallBack implements RabbitTemplate.ConfirmCallback, RabbitTemplate.ReturnsCallback {
    /**
     * correlationData：對(duì)象內(nèi)部只有一個(gè) id 屬性，用來(lái)表示當(dāng)前消息的唯一性。
     * ack：消息投遞到broker 的狀態(tài)，true成功，false失敗。
     * cause：投遞失敗的原因。
     */
    @Override
    public void confirm(CorrelationData correlationData, boolean ack, String cause) {
        if (!ack) {
            System.err.println("消息ID=" + correlationData.getId() + "投遞失敗，失敗原因：" + cause);
        } else {
            System.out.println("消息投遞收到確認(rèn)，correlationData=" + correlationData.getId());
        }
    }
    @Override
    public void returnedMessage(ReturnedMessage returnedMessage) {
        System.out.println("返回消息結(jié)果：" + JSONUtil.toJsonStr(returnedMessage));
    }
}

package com.example.springbootrabbitmq.consumer;
import com.rabbitmq.client.Channel;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.rabbit.annotation.Queue;
import org.springframework.amqp.rabbit.annotation.RabbitHandler;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.stereotype.Component;
import java.io.IOException;
@Component
public class PushMessageConsumer {
    /**
     * basicAck：表示成功確認(rèn)，使用此回執(zhí)方法后，消息會(huì)被rabbitmq broker 刪除。
     * void basicAck(long deliveryTag, boolean multiple)
     * deliveryTag：表示消息投遞序號(hào)，每次消費(fèi)消息或者消息重新投遞后，deliveryTag都會(huì)增加。手動(dòng)消息確認(rèn)模式下，我們可以對(duì)指定deliveryTag的消息進(jìn)行ack、nack、reject等操作。
     * multiple：是否批量確認(rèn)，值為 true 則會(huì)一次性 ack所有小于當(dāng)前消息 deliveryTag 的消息。
     * */
    @RabbitListener(queuesToDeclare = @Queue(value = "my-queue"))
    @RabbitHandler
    public void consume(String msg, Channel channel, Message message) throws IOException {
        try {
            System.out.println("消費(fèi)者收到消息：" + msg);
            channel.basicAck(message.getMessageProperties().getDeliveryTag(), false);
            System.out.println("deliveryTag：" + message.getMessageProperties().getDeliveryTag());
            System.out.println("redelivered：" + message.getMessageProperties().getRedelivered());
        } catch (Exception e) {
            if (message.getMessageProperties().getRedelivered()) {
                System.err.println("消息已重復(fù)處理失敗,拒絕再次接收！");
                /**
                 * 拒絕消息，requeue=false 表示不再重新入隊(duì)，如果配置了死信隊(duì)列則進(jìn)入死信隊(duì)列
                 * basicReject：拒絕消息，與basicNack區(qū)別在于不能進(jìn)行批量操作，其他用法很相似。
                 * deliveryTag：表示消息投遞序號(hào)。
                 * requeue：值為 true 消息將重新入隊(duì)列。
                 */
                channel.basicReject(message.getMessageProperties().getDeliveryTag(), false);
            } else {
                System.out.println("消息即將再次返回隊(duì)列處理！");
                /**
                 * requeue為是否重新回到隊(duì)列，true重新入隊(duì)
                 * deliveryTag：表示消息投遞序號(hào)。
                 * multiple：是否批量確認(rèn)。
                 * requeue：值為 true 消息將重新入隊(duì)列。
                 */
                channel.basicNack(message.getMessageProperties().getDeliveryTag(), false, true);
            }
        }
    }
}