前面我们用Docker拉了rabbitMQ,并集成进了springboot,现在我们先写配置类:
            
            
              java
              
              
            
          
          package com.llpp.config;
import com.llpp.service.impl.ImageServiceImpl;
import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.BindingBuilder;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.core.TopicExchange;
import org.springframework.amqp.rabbit.connection.ConnectionFactory;
import org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer;
import org.springframework.amqp.rabbit.listener.adapter.MessageListenerAdapter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
public class RabbitMQConfig {
    public static final String EXCHANGE_NAME = "image_processing_exchange";
    public static final String QUEUE_NAME = "image_processing_queue";
    public static final String ROUTING_KEY = "image.processing";
    @Autowired
    private ConnectionFactory connectionFactory;
    @Bean
    public TopicExchange exchange() {
        return new TopicExchange(EXCHANGE_NAME);
    }
    @Bean
    public Queue queue() {
        return new Queue(QUEUE_NAME, true);
    }
    @Bean
    public Binding binding(Queue queue, TopicExchange exchange) {
        return BindingBuilder.bind(queue).to(exchange).with(ROUTING_KEY);
    }
    @Bean
    public SimpleMessageListenerContainer messageListenerContainer() {
        SimpleMessageListenerContainer container = new SimpleMessageListenerContainer();
        container.setConnectionFactory(connectionFactory);
        container.setQueueNames(QUEUE_NAME);
        container.setMessageListener(new MessageListenerAdapter(new ImageServiceImpl()));
        return container;
    }
}