<dependency>
            <groupId>org.springframework.kafka</groupId>
            <artifactId>spring-kafka</artifactId>
            <version>2.2.0.RELEASE</version>
        </dependency>

 <!-- consumer configuration  该配置项可以根据自己业务的实际需求做增加或删除-->
    <bean id="consumerProperties" class="java.util.HashMap">
        <constructor-arg>
            <map>
                <entry key="bootstrap.servers" value="${kafka.bootstrap.servers}" />
                <entry key="group.id" value="group" />
                <entry key="enable.auto.commit" value="true" />
                <entry key="auto.commit.interval.ms" value="3000" />
                <entry key="session.timeout.ms" value="10000" />
                <entry key="key.deserializer"
                       value="org.apache.kafka.common.serialization.StringDeserializer" />
                <entry key="value.deserializer"
                       value="org.apache.kafka.common.serialization.StringDeserializer" />
            </map>
        </constructor-arg>
    </bean>

    <!-- create factory  该类是spring jar包里提供，就这么配置-->
    <bean id="consumerFactory" class="org.springframework.kafka.core.DefaultKafkaConsumerFactory">
        <constructor-arg>
            <ref bean="consumerProperties" />
        </constructor-arg>
    </bean>

    <!-- 自定义的消费类，需要实现spring的接口 -->
    <bean id="payPalConsumer"
          class="com.chao.service.consumer.PayPalConsumer" />

    <!-- 该类也是jar包里提供的，注入的监听类是自己定义的，topic名称是配置文件引入的-->
    <bean id="containerProperties" class="org.springframework.kafka.listener.ContainerProperties">
        <constructor-arg name="topics" value="${kafka.paypal.topic.name}"/>
        <property name="messageListener" ref="payPalConsumer" />
    </bean>

    <!-- 改类也是jar里提供的，把这个containerProperties和consumerfactory 注入 -->
    <bean id="messageListenerContainer" class="org.springframework.kafka.listener.KafkaMessageListenerContainer"
          init-method="doStart">
        <constructor-arg ref="consumerFactory" />
        <constructor-arg ref="containerProperties" />
    </bean>

/**
 * get msg from kafka
 */
@Component 
public class PayPalConsumer implements MessageListener<String, String> {

    private static Logger logger = LoggerFactory.getLogger(PayPalConsumer.class);
    @Autowired
    private XXService XXService;
    @Override
    public void onMessage(ConsumerRecord<String, String> authorizeRecord) {
        String value = authorizeRecord.value();
        if (StringUtils.isEmpty(value)){
            logger.warn("receive message from kafka is null");
            return;
        }
        logger.info("receive message from kafka is {}",value);
    }
}