SpringBootKafka整合使用及安裝教程

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 <modelVersion>4.0.0</modelVersion>
 <groupId>com.zhisheng</groupId>
 <artifactId>kafka-learning</artifactId>
 <version>0.0.1-SNAPSHOT</version>
 <packaging>jar</packaging>
 <name>kafka-learning</name>
 <description>Demo project for Spring Boot + kafka</description>
 <parent>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-parent</artifactId>
  <version>1.5.9.RELEASE</version>
  <relativePath/> <!-- lookup parent from repository -->
 </parent>
 <properties>
  <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
  <java.version>1.8</java.version>
 </properties>
 <dependencies>
  <dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-web</artifactId>
  </dependency>
  <dependency>
   <groupId>org.projectlombok</groupId>
   <artifactId>lombok</artifactId>
   <optional>true</optional>
  </dependency>
  <dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-test</artifactId>
   <scope>test</scope>
  </dependency>
  <dependency>
   <groupId>org.springframework.kafka</groupId>
   <artifactId>spring-kafka</artifactId>
   <version>1.1.1.RELEASE</version>
  </dependency>
  <dependency>
   <groupId>com.google.code.gson</groupId>
   <artifactId>gson</artifactId>
   <version>2.8.2</version>
  </dependency>
 </dependencies>
 <build>
  <plugins>
   <plugin>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-maven-plugin</artifactId>
   </plugin>
  </plugins>
 </build>
</project>

@Datapublic class Message { private Long id; //id
 private String msg; //消息
 private Date sendTime; //時(shí)間戳
}

@Component
@Slf4jpublic
class KafkaSender {

 @Autowired
 private KafkaTemplate<String, String> kafkaTemplate;
 private Gson gson = new GsonBuilder().create();

 //發(fā)送消息方法
 public void send() {
  Message message = new Message();
  message.setId(System
    .currentTimeMillis());
  message.setMsg(UUID.randomUUID().toString());
  message.setSendTime(new Date())
  ;
  log.info("+++++++++++++++++++++ message = {}", gson.toJson(message));
  kafkaTemplate.send
    ("zhisheng", gson.toJson(message));
 }
}

@Component
@Slf4jpublic
class KafkaReceiver {
 @KafkaListener(topics = {"zhisheng"})
 public void listen(ConsumerRecord<?, ?> record) {
  Optional<?> kafkaMessage = Optional.ofNullable(record.value());
  if (kafkaMessage.isPresent()) {
   Object message = kafkaMessage.get();
   log.info("----------------- record =" + record);
   log.info("------------------ message =" + message);
  }
 }
}

@SpringBootApplicationpublic
class KafkaApplication {
 public static void main(String[] args) {
  ConfigurableApplicationContext context = SpringApplication.run(KafkaApplication.class, args);
  KafkaSender sender = context.getBean(KafkaSender.class);
  for (int i = 0; i < 3; i++) {   
   //調(diào)用消息發(fā)送類中的消息發(fā)送方法   
   sender.send();
   try {
    Thread.sleep(3000);
   } catch (InterruptedException e) {
    e.printStackTrace();
   }
  }
 }
}

#============== kafka ===================# 指定kafka 代理地址，可以多個(gè)
spring.kafka.bootstrap-servers=192.168.153.135:9092
##=============== provider =======================
#spring.kafka.producer.retries=0# 每次批量發(fā)送消息的數(shù)量
spring.kafka.producer.batch-size=16384spring.kafka.producer.buffer-memory=33554432
## 指定消息key和消息體的編解碼方式
spring.kafka.producer.key-serializer=org.apache.kafka.common.serialization.StringSerializer
spring.kafka.producer.value-serializer=org.apache.kafka.common.serialization.StringSerializer
##=============== consumer =======================# 指定默認(rèn)消費(fèi)者group id
spring.kafka.consumer.group-id=test-consumer-group
spring.kafka.consumer.auto-offset-reset=earliest
spring.kafka.consumer.enable-auto-commit=true
spring.kafka.consumer.auto-commit-interval=100
## 指定消息key和消息體的編解碼方式
spring.kafka.consumer.key-deserializer=org.apache.kafka.common.serialization.StringDeserializer
spring.kafka.consumer.value-deserializer=org.apache.kafka.common.serialization.StringDeserializer

bin/zookeeper-server-start.sh -daemon config/zookeeper.properties

bin/kafka-server-start.sh config/server.properties

bin/kafka-topics.sh --list --zookeeper localhost:2181