• spring 集成rabbitmq


    mq.properties

    mq.host=主机ip
    mq.username=admin
    mq.password=admin123
    mq.port=5672
    mq.queue.vip=test-queue
    mq.exchange=test-exchange
    mq.vhost=test

    spring-rabbitmq.xml

    <?xml version="1.0" encoding="UTF-8"?>
    <beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
    xmlns:util="http://www.springframework.org/schema/util" xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:tx="http://www.springframework.org/schema/tx" xmlns:rabbit="http://www.springframework.org/schema/rabbit"
    xmlns:p="http://www.springframework.org/schema/p"
    xsi:schemaLocation="
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context-3.0.xsd
    http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
    http://www.springframework.org/schema/util
    http://www.springframework.org/schema/util/spring-util-3.0.xsd
    http://www.springframework.org/schema/aop
    http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
    http://www.springframework.org/schema/tx
    http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
    http://www.springframework.org/schema/rabbit
    http://www.springframework.org/schema/rabbit/spring-rabbit-1.0.xsd">

    <!-- RabbitMQ start -->
    <!-- 连接配置 -->
    <rabbit:connection-factory id="mqConnectionFactory" virtual-host="${mq.vhost}"
    host="${mq.host}" username="${mq.username}" password="${mq.password}"
    port="${mq.port}" />

    <rabbit:admin connection-factory="mqConnectionFactory" />

    <!-- spring amqp默认的是jackson 的一个插件,目的将生产者生产的数据转换为json存入消息队列,由于fastjson的速度快于jackson,这里替换为fastjson的一个实现 -->
    <bean id="jsonMessageConverter" class="com.mq.util.FastJsonMessageConverter"></bean>


    <!-- 消息队列客户端 -->
    <rabbit:template id="amqpTemplate" exchange="${mq.exchange}"
    connection-factory="mqConnectionFactory" message-converter="jsonMessageConverter" />

    <!-- queue 队列声明 -->
    <!-- durable 是否持久化 exclusive 仅创建者可以使用的私有队列,断开后自动删除 auto-delete 当所有消费端连接断开后,是否自动删除队列 -->
    <rabbit:queue id="my_queue_vip" name="${mq.queue.vip}"
    durable="true" auto-delete="false" exclusive="false" />

    <!-- 交换机定义 -->
    <!-- 交换机:一个交换机可以绑定多个队列,一个队列也可以绑定到多个交换机上。 如果没有队列绑定到交换机上,则发送到该交换机上的信息则会丢失。
    direct模式:消息与一个特定的路由器完全匹配,才会转发 topic模式:按规则转发消息,最灵活 -->
    <rabbit:direct-exchange name="${mq.exchange}"
    durable="true" auto-delete="false">
    <rabbit:bindings>
    <rabbit:binding queue="my_queue_vip" key="vip_key"></rabbit:binding>
    </rabbit:bindings>
    </rabbit:direct-exchange>

    <!-- 配置监听 消费者 -->
    <rabbit:listener-container
    connection-factory="connectionFactory" acknowledge="auto">
    <rabbit:listener queues="my_queue" ref="rabbitmqService" />
    </rabbit:listener-container>


    </beans>

     FastJsonMessageConverter

    package com.pptv.ucm.mq.util;
    
    import java.io.IOException;
    import java.io.UnsupportedEncodingException;
    
    import org.apache.commons.logging.Log;
    import org.apache.commons.logging.LogFactory;
    import org.springframework.amqp.core.Message;
    import org.springframework.amqp.core.MessageProperties;
    import org.springframework.amqp.support.converter.AbstractJsonMessageConverter;
    import org.springframework.amqp.support.converter.ClassMapper;
    import org.springframework.amqp.support.converter.DefaultClassMapper;
    import org.springframework.amqp.support.converter.MessageConversionException;
    
    import com.alibaba.fastjson.JSON;
    
    /**
     * @类名:FastJsonMessageConverter .
     * @描述: *****  .
     * @作者: yakunMeng .
     * @创建时间: 2017年8月11日 上午10:08:00 .
     * @版本号: V1.0 .
     */
    public class FastJsonMessageConverter extends AbstractJsonMessageConverter {
    
        private static Log log = LogFactory.getLog(FastJsonMessageConverter.class);
    
        private static ClassMapper classMapper = new DefaultClassMapper();
    
        public FastJsonMessageConverter() {
            super();
        }
    
        @Override
        protected Message createMessage(Object object, MessageProperties messageProperties) {
            byte[] bytes = null;
            try {
                String jsonString = JSON.toJSONString(object);
                bytes = jsonString.getBytes(getDefaultCharset());
            } catch (IOException e) {
                throw new MessageConversionException("Failed to convert Message content", e);
            }
            messageProperties.setContentType(MessageProperties.CONTENT_TYPE_JSON);
            messageProperties.setContentEncoding(getDefaultCharset());
            if (bytes != null) {
                messageProperties.setContentLength(bytes.length);
            }
            classMapper.fromClass(object.getClass(), messageProperties);
            return new Message(bytes, messageProperties);
        }
    
        @Override
        public Object fromMessage(Message message) throws MessageConversionException {
            Object content = null;
            MessageProperties properties = message.getMessageProperties();
            if (properties != null) {
                String contentType = properties.getContentType();
                if (contentType != null && contentType.contains("json")) {
                    String encoding = properties.getContentEncoding();
                    if (encoding == null) {
                        encoding = getDefaultCharset();
                    }
                    try {
                        Class<?> targetClass = getClassMapper().toClass(message.getMessageProperties());
                        content = convertBytesToObject(message.getBody(), encoding, targetClass);
                    } catch (IOException e) {
                        throw new MessageConversionException("Failed to convert Message content", e);
                    }
                } else {
                    log.warn("Could not convert incoming message with content-type [" + contentType + "]");
                }
            }
            if (content == null) {
                content = message.getBody();
            }
            return content;
        }
    
        private Object convertBytesToObject(byte[] body, String encoding, Class<?> clazz)
                throws UnsupportedEncodingException {
            String contentAsString = new String(body, encoding);
            return JSON.parseObject(contentAsString, clazz);
        }
    }

    RabbitmqService

    package com.pptv.ucm.service.impl;
    
    import java.io.File;
    import java.io.FileInputStream;
    import java.io.InputStream;
    import java.io.UnsupportedEncodingException;
    import java.util.List;
    
    import org.apache.poi.ss.usermodel.Cell;
    import org.apache.poi.ss.usermodel.Sheet;
    import org.apache.poi.ss.usermodel.Workbook;
    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    import org.springframework.amqp.core.Message;
    import org.springframework.amqp.core.MessageListener;
    
    import com.pptv.ucm.common.util.ImportExecl;
    import com.pptv.ucm.common.util.StringUtil;
    
    import net.sf.json.JSONObject;
    
    /**
     * rabbitmq监听消息,消费者
     * 
     * @author st
     *
     */
    public class RabbitmqService implements MessageListener {
        private static Logger log = LoggerFactory.getLogger(RabbitmqService.class);
    
        public void onMessage(Message message) {
            log.info("消息消费者 = " + message);
            String content = null;
            try {
                content = new String(message.getBody(), "utf-8");
                if (StringUtil.isNotBlank(content)) {
                    JSONObject object = JSONObject.fromObject(content.toString());
                    String batch_code = !object.has("batch_code") ? "" : object.getString("batch_code");
                    String file_url = !object.has("file_url") ? "" : object.getString("file_url");
                    log.info("batch_code=" + batch_code + "file_url=" + file_url);
                    String localExcelPath = ImportExecl.getDiskPath(file_url);
                    System.out.println(localExcelPath);
                    ImportExecl poi = new ImportExecl();
                    List<List<String>> list = poi.read(localExcelPath);
                    if (list != null) {
                        for (int i = 0; i < list.size(); i++) {
                            System.out.print("第" + (i) + "行");
                            List<String> cellList = list.get(i);
                            for (int j = 0; j < cellList.size(); j++) {
                                System.out.print(" " + cellList.get(j));
                            }
                            System.out.println();
                        }
                    }
                    new File(localExcelPath).delete();//删除本地文件
                }
            } catch (Exception e) {
                log.info("报错了e= " + e.getMessage());
                e.printStackTrace();
            }
            log.info(content);
        }
    
    }

     MQProducerImpl

    package com.pptv.ucm.service.impl;
    
    import javax.annotation.Resource;
    
    import org.springframework.amqp.core.AmqpTemplate;
    import org.springframework.beans.factory.annotation.Value;
    import org.springframework.stereotype.Service;
    
    import com.pptv.ucm.service.IMQProducer;
    
    @Service
    public class MQProducerImpl implements IMQProducer {
        @Value(value = "${mq.queue}")
        private String queueId;
    
        @Value(value = "${mq.exchange}")
        private String mqExchange;
    
        @Value(value = "${mq.patt}")
        private String mqPatt;
    
        @Resource
        private AmqpTemplate amqpTemplate;
    
        public void sendQueue(Object object) {
            // convertAndSend 将Java对象转换为消息发送至匹配key的交换机中Exchange
            amqpTemplate.convertAndSend(mqExchange, mqPatt, object);
        }
    }
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  • 原文地址:https://www.cnblogs.com/javatk/p/7478441.html
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