配置spring cloud rabbitmq支持多套数据源

当前项目用的是spring cloud，已封装好了RabbitMQ，但是只能访问、操作一套数据源，当需要操作多套mq的时候，默认的方式就不满足了。

以下是配置spring cloud rabbitmq，使其支持多套数据源的步骤。

1、在配置目录下新加“RabbitMqConfiguration.java”，如下：

package com.xxx.xx.x.configuration;

import org.springframework.amqp.rabbit.connection.CachingConnectionFactory;
import org.springframework.amqp.rabbit.connection.ConnectionFactory;
import org.springframework.amqp.rabbit.config.SimpleRabbitListenerContainerFactory;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.amqp.SimpleRabbitListenerContainerFactoryConfigurer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * 目前线上有2套rabbitMQ，分别为php、java
 * phpConnectionFactory: php集群
 */

@Configuration
public class RabbitMqConfiguration {

    @Bean(name = "phpConnectionFactory")
    public ConnectionFactory phpConnectionFactory(
            @Value("${spring.rabbitmq.php.host}") String host,
            @Value("${spring.rabbitmq.php.port}") int port,
            @Value("${spring.rabbitmq.php.username}") String username,
            @Value("${spring.rabbitmq.php.password}") String password
    ) {
        CachingConnectionFactory connectionFactory = new CachingConnectionFactory();
        connectionFactory.setHost(host);
        connectionFactory.setPort(port);
        connectionFactory.setUsername(username);
        connectionFactory.setPassword(password);
        return connectionFactory;
    }

    /**
     * 用法举例：@RabbitListener(queues = "bb_test", containerFactory = "phpQueueFactory")
     *
     * @param configurer
     * @param connectionFactory
     * @return
     */
    @Bean(name = "phpQueueFactory")
    public SimpleRabbitListenerContainerFactory phpQueueFactory(
            SimpleRabbitListenerContainerFactoryConfigurer configurer,
            @Qualifier("phpConnectionFactory") ConnectionFactory connectionFactory
    ) {
        SimpleRabbitListenerContainerFactory factory = new SimpleRabbitListenerContainerFactory();
        configurer.configure(factory, connectionFactory);
        return factory;
    }

    @Bean(name = "phpRabbitTemplate")
    public RabbitTemplate phpRabbitTemplate(@Qualifier("phpConnectionFactory") ConnectionFactory connectionFactory) {
        RabbitTemplate phpRabbitTemplate = new RabbitTemplate(connectionFactory);
        return phpRabbitTemplate;
    }

}

2、生产者调用方式

@Autowired
@Qualifier("phpRabbitTemplate")
private RabbitTemplate rabbitTemplate;

/**
 * 发送消息
 *
 * @param message
 */
private void sendMessage(JSONObject message) {
    rabbitTemplate.convertAndSend(queueName, message);
}

3、消费者调用方式

@RabbitListener(queues = "bb_test", containerFactory = "phpQueueFactory")

温馨提示：如果不指定队列，则连接默认的。