Java使用Kafka入门示例

引入依赖

<dependency>
      <groupId>org.apache.kafka</groupId>
      <artifactId>kafka-clients</artifactId>
      <version>2.3.1</version>
</dependency>

生产者实示例

import org.apache.kafka.clients.producer.KafkaProducer;
import org.apache.kafka.clients.producer.ProducerRecord;

import java.util.Properties;

public class KafkaProducerDemo {
    public static final String brokerList = "192.168.10.141:9092,192.168.10.142:9092,192.168.10.143:9092";
    public static final String topic = "topic-demo";

    public static void main(String[] args) {
        Properties properties = new Properties();
        properties.put("key.serializer", "org.apache.kafka.common.serialization.StringSerializer");
        properties.put("value.serializer", "org.apache.kafka.common.serialization.StringSerializer");