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springboot中使用rabbitMQ

springboot中使用rabbitMQ

作者: 淡看江湖等雨 | 来源:发表于2018-06-04 15:54 被阅读31次

    1、引入依赖

    compile 'org.springframework.boot:spring-boot-starter-amqp'

    2、配置文件:

    spring.rabbitmq.host=10.0.60.121

    spring.rabbitmq.port=5672

    spring.rabbitmq.username=admin

    spring.rabbitmq.password=admin

    spring.rabbitmq.virtual-host=/

    3、配置代码

    import org.springframework.amqp.core.AmqpAdmin;

    import org.springframework.amqp.core.Binding;

    import org.springframework.amqp.core.BindingBuilder;

    import org.springframework.amqp.core.DirectExchange;

    import org.springframework.amqp.core.FanoutExchange;

    import org.springframework.amqp.core.Queue;

    import org.springframework.amqp.rabbit.connection.CachingConnectionFactory;

    import org.springframework.amqp.rabbit.connection.ConnectionFactory;

    import org.springframework.amqp.rabbit.core.RabbitAdmin;

    import org.springframework.amqp.rabbit.core.RabbitTemplate;

    import org.springframework.beans.factory.annotation.Value;

    import org.springframework.beans.factory.config.ConfigurableBeanFactory;

    import org.springframework.context.annotation.Bean;

    import org.springframework.context.annotation.Configuration;

    import org.springframework.context.annotation.PropertySource;

    import org.springframework.context.annotation.Scope;

    import com.wow.common.mq.MqMetaConstant;

    @Configuration

    @PropertySource("classpath:/rabbitmq.properties")

    public class RabbitMqConfiguration {

        @Value("${spring.rabbitmq.host}")private String springRabbitmqHost;

        @Value("${spring.rabbitmq.port}") private Integer springRabbitmqPort;

       @Value("${spring.rabbitmq.username}") private String springRabbitmqUsername;

        @Value("${spring.rabbitmq.password}") private String springRabbitmqPassword;

        @Value("${spring.rabbitmq.virtual-host}") private String springRabbitmqVirtualHost;

        @Bean public ConnectionFactory connectionFactory() {

            CachingConnectionFactory connectionFactory = new CachingConnectionFactory();

            //防止信道缓存不够造成消息丢失,官方推荐100可完全避免此丢失消息情况

            connectionFactory.setChannelCacheSize(100);

            connectionFactory.setHost(springRabbitmqHost);        

             connectionFactory.setPort(springRabbitmqPort);

            connectionFactory.setUsername(springRabbitmqUsername);

            connectionFactory.setPassword(springRabbitmqPassword);

            connectionFactory.setVirtualHost(springRabbitmqVirtualHost);

            connectionFactory.setChannelCacheSize(100);

            // 必须要设置 connectionFactory.setPublisherConfirms(true);

            return connectionFactory;

        }

            /** *

            * 用于恢复交换机,队列

            *

            * @return

            */

            @Bean

            public AmqpAdmin amqpAdmin() {

                return new RabbitAdmin(connectionFactory());

            }

            // 必须是prototype类型

            @Bean

            @Scope(ConfigurableBeanFactory.SCOPE_PROTOTYPE)

            public RabbitTemplate rabbitTemplate() {

                RabbitTemplate template = new RabbitTemplate(connectionFactory());

                return template;

            }

            /**

               * FanoutExchange: 将消息分发到所有的绑定队列,无routingkey的概念

                * HeadersExchange:通过添加属性key-value匹配

                * DirectExchange:按照routingkey分发到指定队列

                * TopicExchange:多关键字匹配

                * @return

                */

                @Bean

                public DirectExchange defaultExchange() {

                    return new DirectExchange(MqMetaConstant.EXCHANGE_EMAIL);

                }

                @Bean

                public FanoutExchange adminMessageExchange() {

                    return new FanoutExchange(MqMetaConstant.EXCHANGE_ADMIN_MESSAGE); }

             @Bean

            public Queue queue() {

                return new Queue(MqMetaConstant.QUEUE_EMAIL, true); // 队列持久 }

            @Bean

            public Queue adminMessageQueue() {

                return new Queue(MqMetaConstant.QUEUE_ADMIN_MESSAGE, true); // 队列持久 }

            @Bean

            public Binding binding() {

                return BindingBuilder.bind(queue()).to(defaultExchange()).with(MqMetaConstant.ROUTINGKEY_EMAIL); }

            @Bean

            public Binding adminMessageBinding() {

                return BindingBuilder.bind(adminMessageQueue()).to(adminMessageExchange()); }

     }

    import java.util.List;

    import java.util.UUID;

    import com.wow.common.mq.vo.*;

    import org.slf4j.Logger;

    import org.slf4j.LoggerFactory;

    import org.springframework.amqp.rabbit.core.RabbitTemplate;

    import org.springframework.amqp.rabbit.support.CorrelationData;

    import org.springframework.beans.factory.annotation.Autowired;

    import org.springframework.stereotype.Component;

    import com.wow.common.util.CollectionUtil;

    import com.wow.common.util.JsonUtil;

    /**

    * 发送消息到rabbitmq

    * @author wangming@wowdsgn.com

    * @date 2017年11月6日 下午5:41:58

    */

    @Component

    public class MqProducer implements RabbitTemplate.ConfirmCallback {

    private static final Logger logger=LoggerFactory.getLogger(MqProducer.class);

    private RabbitTemplate rabbitTemplate;

    /** * 构造方法注入 */

    @Autowired

    public MqProducer(RabbitTemplate rabbitTemplate) {

        this.rabbitTemplate = rabbitTemplate;

        rabbitTemplate.setConfirmCallback(this);

       //rabbitTemplate如果为单例的话,那回调就是最后设置的内容      rabbitTemplate.setReturnCallback((message,replyCode,replyText,exchange,routingKey)->{ logger.info("没有找到任何匹配的队列!"+ "message:"+message+ ",replyCode:"+replyCode+ ",replyText:"+replyText+ ",exchange:"+exchange+ ",routingKey:"+routingKey); }); }

    /**

    * 发送邮件消息

    *

    * @param emailVO

    */

    public void sendEmail(EmailVO emailVO) {

        if(emailVO==null) { logger.warn("email对象为空,拒绝发送邮件消息"); return ; }

        CorrelationData correlationId = new CorrelationData(UUID.randomUUID().toString());

        String message=JsonUtil.pojo2Json(emailVO);

        logger.info("开始发送mq邮件消息:id:{},内容:{},",correlationId,message);    rabbitTemplate.convertAndSend(MqMetaConstant.EXCHANGE_EMAIL, MqMetaConstant.ROUTINGKEY_EMAIL,message , correlationId); }            

    /**

    * 发送后台消息

    * @param messageList

    */

    public void sendAdminMessage(AdminMessageVO messageVO) {

            CorrelationData correlationId = new CorrelationData(UUID.randomUUID().toString());

            String message=JsonUtil.pojo2Json(messageVO);

            logger.info("开始发送后台消息:id:{},内容:{},",correlationId,message);         rabbitTemplate.convertAndSend(MqMetaConstant.EXCHANGE_ADMIN_MESSAGE, "",message , correlationId); }

          /** * 回调 */

        @Override

        public void confirm(CorrelationData correlationData, boolean ack, String cause) {

            if (ack) {

                logger.info("mq消息发送成功---确认");

            } else {

                logger.info("mq消息发送失败:id:{},cause:{}" , correlationData,cause);

            }

        }

    }

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