KafkaProducerDemo

package com.lxw.kafkademo;

import org.apache.kafka.clients.producer.KafkaProducer;
import org.apache.kafka.clients.producer.ProducerConfig;
import org.apache.kafka.clients.producer.ProducerRecord;
import org.apache.kafka.common.serialization.StringSerializer;

import java.util.Properties;

public class KafkaProducerDemo {
    public static void main(String[] args) {

        //1.创建链接参数
        Properties props = new Properties();
        props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, "node01:9092,node02:9092,node03:9092,node04:9092");
        props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, StringSerializer.class.getName());
        props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, StringSerializer.class.getName());

        //2.创建生产者
        KafkaProducer<String, String> producer = new KafkaProducer<String, String>(props);

        //3.封装消息队列
        for (Integer i = 0; i < 10; i++) {
            String key = "key" + i;
            String value = "value" + i;
            ProducerRecord<String, String> record = new ProducerRecord<>("test01", key, value);
            producer.send(record);
        }
        producer.close();
    }
}