Kafka API实战

第4章 KafkaAPI实战

1）启动zk和kafka集群，在kafka集群中打开一个消费者

[hadoop102 kafka]$ bin/kafka-console-consumer.sh  --zookeeper hadoop01:2181 --topic first

2）导入pom依赖

<dependencies>
   <!-- https://mvnrepository.com/artifact/org.apache.kafka/kafka-clients -->
<dependency>
    <groupId>org.apache.kafka</groupId>
    <artifactId>kafka-clients</artifactId>
    <version>2.2.1</version>
</dependency>
    <!-- https://mvnrepository.com/artifact/org.apache.kafka/kafka -->
<dependency>
    <groupId>org.apache.kafka</groupId>
    <artifactId>kafka_2.12</artifactId>
    <version>2.2.1</version>
</dependency>

</dependencies>

4.2 Kafka生产者Java API

4.2.1 创建生产者（过时的API）