代码如下
package com.yn.kafkatoredis.demo;
import org.apache.kafka.clients.consumer.ConsumerRecord;
import org.apache.kafka.clients.consumer.ConsumerRecords;
import org.apache.kafka.clients.consumer.KafkaConsumer;
import java.util.Arrays;
import java.util.Properties;
public class MyKafkaConsumer {
public static void main(String[] args) {
Properties props = new Properties();
props.put("bootstrap.servers", "192.168.100.100:9092");
props.put("
group.id", "wtf");//消费者的组 id
props.put("enable.auto.commit", "true");
props.put("
auto.commit.interval.ms", "1000");
props.put("
session.timeout.ms", "30000");
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<String, String>(props);
//订阅主题列表 topic
consumer.subscribe(Arrays.asList("test"));
while (true) {
ConsumerRecords<String, String> records = consumer.poll(100);
for (ConsumerRecord<String, String> record : records)
System.out.printf("offset = %d, key = %s, value = %s", record.offset(), record.key(), record.value()+"\n");
}
}
}