Springboot整合 二 集成 rabbitmq
1、在application.yml文件中進行RabbitMQ的相關配置
先上代碼
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
2. 項目啟動配置
大家可以看到上圖中的config包,這裏就是相關配置類
下面,就這三個配置類,做下說明:(這裏需要大家對RabbitMQ有一定的了解,知道生產者、消費者、消息交換機、隊列等)
ExchangeConfig 消息交換機配置
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 可以配置多個 * @author zhuzhe * @date 2018/5/25 15:40 * @email [email protected]*/ @Configuration public class ExchangeConfig { /** * 1.定義direct exchange,綁定queueTest * 2.durable="true" rabbitmq重啟的時候不需要創建新的交換機 * 3.direct交換器相對來說比較簡單,匹配規則為:如果路由鍵匹配,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,他會把消息發送到所有綁定在此交換器上面的隊列中。 * topic交換器你采用模糊匹配路由鍵的原則進行轉發消息到隊列中 * key: queue在該direct-exchange中的key值,當消息發送給direct-exchange中指定key為設置值時, * 消息將會轉發給queue參數指定的消息隊列*/ @Bean public DirectExchange directExchange(){ DirectExchange directExchange = new DirectExchange(RabbitMqConfig.EXCHANGE,true,false); return directExchange; } }
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 可以配置多個隊列 * @author zhuzhe * @date 2018/5/25 13:25 * @email [email protected] */ @Configuration public class QueueConfig { @Bean public Queue firstQueue() { /** durable="true" 持久化 rabbitmq重啟的時候不需要創建新的隊列 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("first-queue",true,false,false); } @Bean public Queue secondQueue() { return new Queue("second-queue",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 * @author zhuzhe * @date 2018/5/25 13:37 * @email [email protected] */ @Configuration public class RabbitMqConfig { /** 消息交換機的名字*/ public static final String EXCHANGE = "exchangeTest"; /** 隊列key1*/ public static final String ROUTINGKEY1 = "queue_one_key1"; /** 隊列key2*/ public static final String ROUTINGKEY2 = "queue_one_key2"; @Autowired private QueueConfig queueConfig; @Autowired private ExchangeConfig exchangeConfig; /** * 連接工廠 */ @Autowired private ConnectionFactory 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.directExchange()).with(RabbitMqConfig.ROUTINGKEY1); } /** * 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.directExchange()).with(RabbitMqConfig.ROUTINGKEY2); } /** * 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 return simpleMessageListenerContainer; } /** * 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, * 必須要配置publisherConfirms或publisherReturns為true * 每個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為true,或者在配置中設置mandatory-expression的值為true, * 可針對每次請求的消息去確定’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,能夠跟蹤哪些消息被broker處理, * 哪些可能因為broker宕掉或者網絡失敗的情況而重新發布。 * 確認並且保證消息被送達,提供了兩種方式:發布確認和事務。(兩者不可同時使用) * 在channel為事務時,不可引入確認模式;同樣channel為確認模式下,不可使用事務。 * @return */ @Bean public MsgSendConfirmCallBack msgSendConfirmCallBack(){ return new MsgSendConfirmCallBack(); } }
消息回調
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 [email protected] */ 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重新發送"); } } }
生產者/消息發送者
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 [email protected] */ @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); } }
消費者
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 [email protected] */ @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); } }
測試
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 [email protected] */ @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 [email protected]
*/
@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;
}
}
Springboot整合 二 集成 rabbitmq