ConsumerDemo.java

package kafkaDemo;

import java.util.Arrays;
import java.util.Properties;

import org.apache.kafka.clients.consumer.ConsumerConfig;
import org.apache.kafka.clients.consumer.ConsumerRecord;
import org.apache.kafka.clients.consumer.ConsumerRecords;
import org.apache.kafka.clients.consumer.KafkaConsumer;

public class ConsumerDemo {
	public static void main(String[] args) {
		Properties props = new Properties();
		props.put("bootstrap.servers", "192.168.96.129:9092");
		props.put("group.id", "testyangxp3");
		props.put("enable.auto.commit", "true");
		props.put("auto.commit.interval.ms", "1000");
		props.put("session.timeout.ms", "30000");
		props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
		props.put("key.deserializer", "org.apache.kafka.common.serialization.StringDeserializer");
		props.put("value.deserializer", "org.apache.kafka.common.serialization.StringDeserializer");
		KafkaConsumer<String, String> consumer = new KafkaConsumer<>(props);
		consumer.subscribe(Arrays.asList("yangxp6"));
		while (true) {
			ConsumerRecords<String, String> records = consumer.poll(100);
			for (ConsumerRecord<String, String> record : records)
				System.out.printf("topic = %s, offset = %d, key = %s, value = %s, partition = %s\n", record.topic(), record.offset(), record.key(), record.value(), record.partition());
		}
	}
}