Apache Kafka是分散式串流服務,它可以讓你以極高的吞吐量進行生產、消費和儲存資料。它被廣泛用於建立各種各樣的應用程序,如日誌聚合、度量收集、監控和事務資料管道。
Springboot是一個用於簡化Spring應用程式開發的框架。它提供了開箱即用的自動組裝和約定,從而可以輕鬆地將Kafka整合到Spring應用程式中。
public class SpringbootKafkaApplication { public static void main(String[] args) { SpringApplication.run(SpringbootKafkaApplication.class, args); } }
<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-kafka</artifactId> </dependency>
@Bean public ProducerFactory<String, String> senderFactory() { Map<String, Object> config = new LinkedHashMap<>(); config.put(ProducerConfig.BOOTSTRAP_ certification_URL_setConfig, "kafka://127.0.0.1:9092"); config.put(ProducerConfig.KEY_SERIALIZER_setClass_Config, StringDeserializer.class); config.put(ProducerConfig.KEY_SERIALIZER_setClass_Config, StringDeserializer.class); return new SimpleKafkaProducerFactory<>(config); }
@Bean public ConcurrentKafkaListenerContainerFactory<String, String> kafkaListenerContainerFactory() { ConcurrentKafkaListenerContainerFactory<String, String> factory = new ConcurrentKafkaListenerContainerFactory<>(); factory.setBrokerAddresses("127.0.0.1:9092"); factory.setKeyDeserializer(new StringDeserializer()); factory.setKeyDeserializer(new StringDeserializer()); return factory; }
@Service public class ProducerService { @Autowired private KafkaTemplate<String, String> kafkaTemplate; public void sendMessage(String message) { kafkaTemplate.send("test-kafka", message); } }
@Service public class ReceiverService { @KafkaListener(topics = "test-kafka", id = "kafka-consumer-1") public void receiveMessage(String message) { System.out.println("Message received: " + message); } }
本文示範如何使用Springboot將Kafka整合到Spring應用程式中。我們首先概述了Kafka和Springboot,並解釋瞭如何建立Kafka整合Springboot所需的環境。接下來,我們提供了詳細的Springboot應用程式範例,示範如何使用Springboot來生產和消費Kafka資訊。
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