一、在application.yml文件中進行RabbitMQ的相關配置
先上代碼java
spring: rabbitmq: host: 192168.21.11 port: 5672 username: guest password: password publisher-confirms: true # 消息發送到交換機確認機制,是否確認回調
virtual-host: / #默認主機
#自定義參數
defineProps:
rabbitmq:
wechat:
template:
topic: wxmsg.topic
queue: wxmsg.queue
# *表號匹配一個word,#匹配多個word和路徑,路徑之間經過.隔開
queue1_pattern: wxmsg.message.exchange.queue.#
# *表號匹配一個word,#匹配多個word和路徑,路徑之間經過.隔開
queue2_pattern: wxmsg.message.exchange.queue.#
2. 項目啓動配置web
你們能夠看到上圖中的config包,這裏就是相關配置類
下面,就這三個配置類,作下說明:(這裏須要你們對RabbitMQ有必定的瞭解,知道生產者、消費者、消息交換機、隊列等)redis
ExchangeConfig 消息交換機配置spring
package com.space.rabbitmq.config; import org.springframework.amqp.core.DirectExchange; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; /** * 消息交換機配置 能夠配置多個 */ @Configuration public class ExchangeConfig {
@Value("${defineProps.rabbitmq.wechat.template.topic}")
private String templateTopic;
/**
* 1.定義topic exchange,綁定路由
* 2.direct交換器相對來講比較簡單,匹配規則爲:若是路由鍵匹配,消息就被投送到相關的隊列
* fanout交換器中沒有路由鍵的概念,他會把消息發送到全部綁定在此交換器上面的隊列中。
* topic交換器你採用模糊匹配路由鍵的原則進行轉發消息到隊列中
* 3.durable="true" rabbitmq重啓的時候不須要建立新的交換機
* 4.autoDelete:false ,默認不自動刪除
* 5.key: queue在該topic exchange中的key值,當消息符合topic exchange中routing_key規則,
* 消息將會轉發給queue參數指定的消息隊列
*/
public TopicExchange topicExchange(){
return new TopicExchange(templateTopic, true, false);
} }
QueueConfig 隊列配置
package com.space.rabbitmq.config; import org.springframework.amqp.core.Queue; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; /** * 隊列配置 能夠配置多個隊列 */ @Configuration public class QueueConfig { @Bean public Queue firstQueue() { /** durable="true" 持久化 rabbitmq重啓的時候不須要建立新的隊列 auto-delete 表示消息隊列沒有在使用時將被自動刪除 默認是false exclusive 表示該消息隊列是否只在當前connection生效,默認是false */ return new Queue("queue1",true,false,false); } @Bean public Queue secondQueue() { return new Queue("queue2",true,false,false); } }
RabbitMqConfig RabbitMq配置
package com.space.rabbitmq.config; import com.space.rabbitmq.mqcallback.MsgSendConfirmCallBack; import org.springframework.amqp.core.AcknowledgeMode; import org.springframework.amqp.core.Binding; import org.springframework.amqp.core.BindingBuilder; import org.springframework.amqp.rabbit.connection.ConnectionFactory; import org.springframework.amqp.rabbit.core.RabbitTemplate; import org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; /** * RabbitMq配置 */ @Configuration public class RabbitMqConfig {
@Value("${spring.rabbitmq.host}")
private String host;
@Value("${spring.rabbitmq.port}")
private int port;
@Value("${spring.rabbitmq.username}")
private String username;
@Value("${spring.rabbitmq.password}")
private String password;
@Value("${spring.rabbitmq.virtual-host}")
private String vhost;
@Value("${defineProps.rabbitmq.wechat.template.queue1_pattern}")
private String queue1_pattern;
@Value("${defineProps.rabbitmq.wechat.template.queue2_pattern}")
private String queue2_pattern; @Autowired private QueueConfig queueConfig; @Autowired private ExchangeConfig exchangeConfig;
/**
* 鏈接工廠
*/
@Bean
public ConnectionFactory connectionFactory() {
CachingConnectionFactory connectionFactory = new CachingConnectionFactory(host, port);
connectionFactory.setUsername(username);
connectionFactory.setPassword(password);
connectionFactory.setVirtualHost(vhost);
return connectionFactory;
}
@Bean
public RabbitTemplate rabbitTemplate(){
return new RabbitTemplate(connectionFactory());
}/** 將消息隊列1和交換機進行綁定 */ @Bean public Binding binding_one() { return BindingBuilder.bind(queueConfig.firstQueue()).to(exchangeConfig.topicExchange()).with(queue1_pattern); } /** * 將消息隊列2和交換機進行綁定 */ @Bean public Binding binding_two() { return BindingBuilder.bind(queueConfig.secondQueue()).to(exchangeConfig.topicExchange()).with(queue2_pattern); } /** * queue listener 觀察 監聽模式 * 當有消息到達時會通知監聽在對應的隊列上的監聽對象 * @return */ @Bean public SimpleMessageListenerContainer simpleMessageListenerContainer_one(){ SimpleMessageListenerContainer simpleMessageListenerContainer = new SimpleMessageListenerContainer(connectionFactory); simpleMessageListenerContainer.addQueues(queueConfig.firstQueue()); simpleMessageListenerContainer.setExposeListenerChannel(true); simpleMessageListenerContainer.setMaxConcurrentConsumers(5); simpleMessageListenerContainer.setConcurrentConsumers(1); simpleMessageListenerContainer.setAcknowledgeMode(AcknowledgeMode.MANUAL); //設置確認模式手工確認 simpleMessageListenerContainer.setMessageListener(wechatPushMessageListener());
return simpleMessageListenerContainer; }
/**
* 配置消費者bean
* @return
*/
@Bean
public WechatPushMessageConsumer wechatPushMessageListener(){
return new WechatPushMessageConsumer(redisUtil, mqMsgExceptionRemote, wechatAppID, wechatAppSecret);
} /** * 定義rabbit template用於數據的接收和發送 * @return */ @Bean public RabbitTemplate rabbitTemplate() { RabbitTemplate template = new RabbitTemplate(connectionFactory); /**若使用confirm-callback或return-callback, * 必需要配置publisherConfirms或publisherReturns爲true * 每一個rabbitTemplate只能有一個confirm-callback和return-callback */ template.setConfirmCallback(msgSendConfirmCallBack()); //template.setReturnCallback(msgSendReturnCallback()); /** * 使用return-callback時必須設置mandatory爲true,或者在配置中設置mandatory-expression的值爲true, * 可針對每次請求的消息去肯定’mandatory’的boolean值, * 只能在提供’return -callback’時使用,與mandatory互斥 */ // template.setMandatory(true); return template; } /** * 消息確認機制 * Confirms給客戶端一種輕量級的方式,可以跟蹤哪些消息被broker處理, * 哪些可能由於broker宕掉或者網絡失敗的狀況而從新發布。 * 確認而且保證消息被送達,提供了兩種方式:發佈確認和事務。(二者不可同時使用) * 在channel爲事務時,不可引入確認模式;一樣channel爲確認模式下,不可以使用事務。 * @return */ @Bean public MsgSendConfirmCallBack msgSendConfirmCallBack(){ return new MsgSendConfirmCallBack(); } }
消息回調express
package com.space.rabbitmq.mqcallback; import org.springframework.amqp.rabbit.core.RabbitTemplate; import org.springframework.amqp.rabbit.support.CorrelationData; /** * 消息發送到交換機確認機制 * @author zhuzhe * @date 2018/5/25 15:53 * @email 1529949535@qq.com */ public class MsgSendConfirmCallBack implements RabbitTemplate.ConfirmCallback { @Override public void confirm(CorrelationData correlationData, boolean ack, String cause) { System.out.println("MsgSendConfirmCallBack , 回調id:" + correlationData); if (ack) { System.out.println("消息消費成功"); } else { System.out.println("消息消費失敗:" + cause+"\n從新發送"); } } }
package com.space.rabbitmq.sender; import com.space.rabbitmq.config.RabbitMqConfig; import lombok.extern.slf4j.Slf4j; 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 java.util.UUID; /** * 消息發送 生產者1 * @author zhuzhe * @date 2018/5/25 14:28 * @email 1529949535@qq.com */ @Slf4j @Component public class FirstSender { @Autowired private RabbitTemplate rabbitTemplate; /** * 發送消息 * @param uuid * @param message 消息 */ public void send(String uuid,Object message) { CorrelationData correlationId = new CorrelationData(uuid); rabbitTemplate.convertAndSend(RabbitMqConfig.EXCHANGE, RabbitMqConfig.ROUTINGKEY2, message, correlationId); } }
方式一(使用註解):
package com.space.rabbitmq.receiver; import org.springframework.amqp.rabbit.annotation.RabbitListener; import org.springframework.stereotype.Component; /** * 消息消費者1 * @author zhuzhe * @date 2018/5/25 17:32 * @email 1529949535@qq.com */ @Component public class FirstConsumer { @RabbitListener(queues = {"first-queue","second-queue"}, containerFactory = "rabbitListenerContainerFactory") public void handleMessage(String message) throws Exception { // 處理消息 System.out.println("FirstConsumer {} handleMessage :"+message); } }
方式二(利用配置):
package com.space.rabbitmq.receiver; import org.springframework.amqp.rabbit.annotation.RabbitListener; import org.springframework.stereotype.Component; /** * 消息消費者1 */public class WechatPushMessageConsumer extends BaseMessageConsumer implements ChannelAwareMessageListener
@Override
public void onMessage(Message message, Channel channel) throws Exception {
System.out.println("接收到的消息:" + message.getBody());
}
}
@RabbitListener @RabbitHandler 及 消息序列化
參看資料: https://www.jianshu.com/p/911d987b5f11
package com.space.rabbitmq.controller; import com.space.rabbitmq.sender.FirstSender; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RestController; import java.util.UUID; /** * @author zhuzhe * @date 2018/5/25 16:00 * @email 1529949535@qq.com */ @RestController public class SendController { @Autowired private FirstSender firstSender; @GetMapping("/send") public String send(String message){ String uuid = UUID.randomUUID().toString(); firstSender.send(uuid,message); return uuid; } }
package com.space.rabbitmq.controller;
import com.space.rabbitmq.sender.FirstSender;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import java.util.UUID;
/**
* @author zhuzhe
* @date 2018/5/25 16:00
* @email 1529949535@qq.com
*/
@RestController
public class SendController {
@Autowired
private FirstSender firstSender;
@GetMapping("/send")
public String send(String message){
String uuid = UUID.randomUUID().toString();
firstSender.send(uuid,message);
return uuid;
}
}
網絡
topicExchange