springboot接入mq的方法示例

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

spring.rabbitmq.host=localhost
spring.rabbitmq.port=5672
spring.rabbitmq.username=guest
spring.rabbitmq.password=guest

import org.springframework.amqp.core.AmqpTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
@Component
public class MessageSender {
    private final AmqpTemplate amqpTemplate;
    @Autowired
    public MessageSender(AmqpTemplate amqpTemplate) {
        this.amqpTemplate = amqpTemplate;
    }
    public void sendMessage(String exchange, String routingKey, Object message) {
        amqpTemplate.convertAndSend(exchange, routingKey, message);
    }
}

import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.stereotype.Component;
@Component
public class MessageReceiver {
    @RabbitListener(queues = "myQueue")
    public void receiveMessage(String message) {
        // 处理接收到的消息
        System.out.println("Received message: " + message);
    }
}

import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.BindingBuilder;
import org.springframework.amqp.core.FanoutExchange;
import org.springframework.amqp.core.Queue;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
public class RabbitMQConfig {
    @Bean
    public Queue myQueue() {
        return new Queue("myQueue");
    }
    @Bean
    public FanoutExchange fanoutExchange() {
        return new FanoutExchange("myExchange");
    }
    @Bean
    public Binding binding(Queue myQueue, FanoutExchange fanoutExchange) {
        return BindingBuilder.bind(myQueue).to(fanoutExchange);
    }
}

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class MyController {
    private final MessageSender messageSender;
    @Autowired
    public MyController(MessageSender messageSender) {
        this.messageSender = messageSender;
    }
    @GetMapping("/send-message")
    public void sendMessage() {
        String exchange = "myExchange";
        String routingKey = "";
        Object message = "Hello, RabbitMQ!";
        messageSender.sendMessage(exchange, routingKey, message);
    }
}