springboot2.5.6集成RabbitMq實(shí)現(xiàn)Topic主題模式(推薦)
1.application.yml
server: port: 8184 spring: application: name: rabbitmq-demo rabbitmq: host: 127.0.0.1 # ip地址 port: 5672 username: admin # 連接賬號 password: 123456 # 連接密碼 template: retry: enabled: true # 開啟失敗重試 initial-interval: 10000ms # 第一次重試的間隔時長 max-interval: 300000ms # 最長重試間隔,超過這個間隔將不再重試 multiplier: 2 # 下次重試間隔的倍數(shù),此處是2即下次重試間隔是上次的2倍 exchange: topic.exchange # 缺省的交換機(jī)名稱,此處配置后,發(fā)送消息如果不指定交換機(jī)就會使用這個 publisher-confirm-type: correlated # 生產(chǎn)者確認(rèn)機(jī)制,確保消息會正確發(fā)送,如果發(fā)送失敗會有錯誤回執(zhí),從而觸發(fā)重試 publisher-returns: true listener: type: simple simple: acknowledge-mode: manual prefetch: 1 # 限制每次發(fā)送一條數(shù)據(jù)。 concurrency: 3 # 同一個隊(duì)列啟動幾個消費(fèi)者 max-concurrency: 3 # 啟動消費(fèi)者最大數(shù)量 # 重試策略相關(guān)配置 retry: enabled: true # 是否支持重試 max-attempts: 5 stateless: false multiplier: 1.0 # 時間策略乘數(shù)因子 initial-interval: 1000ms max-interval: 10000ms default-requeue-rejected: true
2.pom.xml引入依賴
<!-- rabbitmq --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-amqp</artifactId> </dependency>
3.常量類創(chuàng)建
/** * @author kkp * @ClassName RabbitMqConstants * @date 2021/11/3 14:16 * @Description */ public class RabbitMqConstants { public final static String TEST1_QUEUE = "test1-queue"; public final static String TEST2_QUEUE = "test2-queue"; public final static String EXCHANGE_NAME = "test.topic.exchange"; /** * routingKey1 */ public final static String TOPIC_TEST1_ROUTINGKEY = "topic.test1.*"; public final static String TOPIC_TEST1_ROUTINGKEY_TEST = "topic.test1.test"; /** * routingKey1 */ public final static String TOPIC_TEST2_ROUTINGKEY = "topic.test2.*"; public final static String TOPIC_TEST2_ROUTINGKEY_TEST = "topic.test2.test"; }
4.配置Configuration
import com.example.demo.common.RabbitMqConstants; import lombok.extern.slf4j.Slf4j; import org.springframework.amqp.core.*; import org.springframework.amqp.rabbit.connection.CachingConnectionFactory; import org.springframework.amqp.rabbit.core.RabbitTemplate; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.beans.factory.config.ConfigurableBeanFactory; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.context.annotation.Scope; /** * @author kkp * @ClassName RabbitMqConfig * @date 2021/11/3 14:16 * @Description */ @Slf4j @Configuration public class RabbitMqConfig { @Autowired private CachingConnectionFactory connectionFactory; /** * 聲明交換機(jī) */ @Bean(RabbitMqConstants.EXCHANGE_NAME) public Exchange exchange(){ //durable(true) 持久化,mq重啟之后交換機(jī)還在 // Topic模式 //return ExchangeBuilder.topicExchange(RabbitMqConstants.EXCHANGE_NAME).durable(true).build(); //發(fā)布訂閱模式 return ExchangeBuilder.fanoutExchange(RabbitMqConstants.EXCHANGE_NAME).durable(true).build(); } /** * 聲明隊(duì)列 * new Queue(QUEUE_EMAIL,true,false,false) * durable="true" 持久化 rabbitmq重啟的時候不需要創(chuàng)建新的隊(duì)列 * auto-delete 表示消息隊(duì)列沒有在使用時將被自動刪除 默認(rèn)是false * exclusive 表示該消息隊(duì)列是否只在當(dāng)前connection生效,默認(rèn)是false */ @Bean(RabbitMqConstants.TEST1_QUEUE) public Queue esQueue() { return new Queue(RabbitMqConstants.TEST1_QUEUE); } /** * 聲明隊(duì)列 */ @Bean(RabbitMqConstants.TEST2_QUEUE) public Queue gitalkQueue() { return new Queue(RabbitMqConstants.TEST2_QUEUE); } /** * TEST1_QUEUE隊(duì)列綁定交換機(jī),指定routingKey */ @Bean public Binding bindingEs(@Qualifier(RabbitMqConstants.TEST1_QUEUE) Queue queue, @Qualifier(RabbitMqConstants.EXCHANGE_NAME) Exchange exchange) { return BindingBuilder.bind(queue).to(exchange).with(RabbitMqConstants.TOPIC_TEST1_ROUTINGKEY).noargs(); } /** * TEST2_QUEUE隊(duì)列綁定交換機(jī),指定routingKey */ @Bean public Binding bindingGitalk(@Qualifier(RabbitMqConstants.TEST2_QUEUE) Queue queue, @Qualifier(RabbitMqConstants.EXCHANGE_NAME) Exchange exchange) { return BindingBuilder.bind(queue).to(exchange).with(RabbitMqConstants.TOPIC_TEST2_ROUTINGKEY).noargs(); } /** * 如果需要在生產(chǎn)者需要消息發(fā)送后的回調(diào), * 需要對rabbitTemplate設(shè)置ConfirmCallback對象, * 由于不同的生產(chǎn)者需要對應(yīng)不同的ConfirmCallback, * 如果rabbitTemplate設(shè)置為單例bean, * 則所有的rabbitTemplate實(shí)際的ConfirmCallback為最后一次申明的ConfirmCallback。 * @return */ @Bean @Scope(ConfigurableBeanFactory.SCOPE_PROTOTYPE) public RabbitTemplate rabbitTemplate() { RabbitTemplate template = new RabbitTemplate(connectionFactory); return template; } }
5.Rabbit工具類創(chuàng)建
import lombok.extern.slf4j.Slf4j; import org.springframework.amqp.core.Message; import org.springframework.amqp.rabbit.connection.CorrelationData; import org.springframework.amqp.rabbit.core.RabbitTemplate; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Component; import java.util.UUID; /** * @author kkp * @ClassName RabbitMqUtils * @date 2021/11/3 14:21 * @Description */ @Slf4j @Component public class RabbitMqUtils implements RabbitTemplate.ConfirmCallback, RabbitTemplate.ReturnCallback{ private RabbitTemplate rabbitTemplate; /** * 構(gòu)造方法注入 */ @Autowired public RabbitMqUtils(RabbitTemplate rabbitTemplate) { this.rabbitTemplate = rabbitTemplate; //這是是設(shè)置回調(diào)能收到發(fā)送到響應(yīng) rabbitTemplate.setConfirmCallback(this); //如果設(shè)置備份隊(duì)列則不起作用 rabbitTemplate.setMandatory(true); rabbitTemplate.setReturnCallback(this); } /** * 回調(diào)確認(rèn) */ @Override public void confirm(CorrelationData correlationData, boolean ack, String cause) { if(ack){ log.info("消息發(fā)送成功:correlationData({}),ack({}),cause({})",correlationData,ack,cause); }else{ log.info("消息發(fā)送失?。篶orrelationData({}),ack({}),cause({})",correlationData,ack,cause); } } /** * 消息發(fā)送到轉(zhuǎn)換器的時候沒有對列,配置了備份對列該回調(diào)則不生效 * @param message * @param replyCode * @param replyText * @param exchange * @param routingKey */ @Override public void returnedMessage(Message message, int replyCode, String replyText, String exchange, String routingKey) { log.info("消息丟失:exchange({}),route({}),replyCode({}),replyText({}),message:{}",exchange,routingKey,replyCode,replyText,message); } /** * 發(fā)送到指定Queue * @param queueName * @param obj */ public void send(String queueName, Object obj){ CorrelationData correlationId = new CorrelationData(UUID.randomUUID().toString()); this.rabbitTemplate.convertAndSend(queueName, obj, correlationId); } /** * 1、交換機(jī)名稱 * 2、routingKey * 3、消息內(nèi)容 */ public void sendByRoutingKey(String exChange, String routingKey, Object obj){ CorrelationData correlationId = new CorrelationData(UUID.randomUUID().toString()); this.rabbitTemplate.convertAndSend(exChange, routingKey, obj, correlationId); } }
6.service創(chuàng)建
public interface TestService { String sendTest1(String content); String sendTest2(String content); }
7.impl實(shí)現(xiàn)
import com.example.demo.common.RabbitMqConstants; import com.example.demo.util.RabbitMqUtils; import lombok.extern.slf4j.Slf4j; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; /** * @author kkp * @ClassName TestServiceImpl * @date 2021/11/3 14:24 * @Description */ @Service @Slf4j public class TestServiceImpl implements TestService { @Autowired private RabbitMqUtils rabbitMqUtils; @Override public String sendTest1(String content) { rabbitMqUtils.sendByRoutingKey(RabbitMqConstants.EXCHANGE_NAME, RabbitMqConstants.TOPIC_TEST1_ROUTINGKEY_TEST, content); log.info(RabbitMqConstants.TOPIC_TEST1_ROUTINGKEY_TEST+"***************發(fā)送成功*****************"); return "發(fā)送成功!"; } @Override public String sendTest2(String content) { rabbitMqUtils.sendByRoutingKey(RabbitMqConstants.EXCHANGE_NAME, RabbitMqConstants.TOPIC_TEST2_ROUTINGKEY_TEST, content); log.info(RabbitMqConstants.TOPIC_TEST2_ROUTINGKEY_TEST+"***************發(fā)送成功*****************"); return "發(fā)送成功!"; } }
8.監(jiān)聽類
import com.example.demo.common.RabbitMqConstants; import lombok.extern.slf4j.Slf4j; import org.springframework.amqp.core.ExchangeTypes; import org.springframework.amqp.core.Message; import org.springframework.amqp.rabbit.annotation.Exchange; import org.springframework.amqp.rabbit.annotation.Queue; import org.springframework.amqp.rabbit.annotation.QueueBinding; import org.springframework.amqp.rabbit.annotation.RabbitListener; import org.springframework.stereotype.Component; import com.rabbitmq.client.Channel; /** * @author kkp * @ClassName RabbitMqListener * @date 2021/11/3 14:22 * @Description */ @Slf4j @Component public class RabbitMqListener { @RabbitListener(queues = RabbitMqConstants.TEST1_QUEUE) public void test1Consumer(Message message, Channel channel) { try { //手動確認(rèn)消息已經(jīng)被消費(fèi) channel.basicAck(message.getMessageProperties().getDeliveryTag(), false); log.info("Counsoum1消費(fèi)消息:" + message.toString() + "。成功!"); } catch (Exception e) { e.printStackTrace(); log.info("Counsoum1消費(fèi)消息:" + message.toString() + "。失??!"); } } @RabbitListener(queues = RabbitMqConstants.TEST2_QUEUE) public void test2Consumer(Message message, Channel channel) { try { //手動確認(rèn)消息已經(jīng)被消費(fèi) channel.basicAck(message.getMessageProperties().getDeliveryTag(), false); log.info("Counsoum2消費(fèi)消息:" + message.toString() + "。成功!"); } catch (Exception e) { e.printStackTrace(); log.info("Counsoum2消費(fèi)消息:" + message.toString() + "。失敗!"); } } }
9.Controller測試
import com.example.demo.server.TestService; import jdk.nashorn.internal.objects.annotations.Getter; import lombok.extern.slf4j.Slf4j; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.*; import java.util.Map; /** * @author kkp * @ClassName TestController * @date 2021/11/3 14:25 * @Description */ @Slf4j @RestController @RequestMapping("/enterprise") public class TestController { @Autowired private TestService testService; @GetMapping("/finance") public String hello3(@RequestParam(required = false) Map<String, Object> params) { return testService.sendTest2(params.get("entId").toString()); } /** * 發(fā)送消息test2 * @param content * @return */ @PostMapping(value = "/finance2") public String sendTest2(@RequestBody String content) { return testService.sendTest2(content); } }
到此這篇關(guān)于springboot2.5.6集成RabbitMq實(shí)現(xiàn)Topic主題模式的文章就介紹到這了,更多相關(guān)springboot集成RabbitMq內(nèi)容請搜索腳本之家以前的文章或繼續(xù)瀏覽下面的相關(guān)文章希望大家以后多多支持腳本之家!
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