kafka consumer 配置 及 监听消息

@Configuration
@EnableKafka
public class KafkaConfiguration{
    
    @Value{"${spring.kafka.consumer.bootstrap-servers}"}
    private String consumerServer;
    @Value{"${spring.kafka.consumer.enable-auto-commit}"}
    private Boolean autoCommit;
    @Value{"${spring.kafka.consumer.auto-commit-interval}"}
    private Integer autoCommitInterval;
    @Value{"${spring.kafka.consumer.group-id}"}
    private String groupId;
    @Value{"${spring.kafka.consumer.max-poll-records}"}
    private Integer maxPollRecords;
    @Value{"${spring.kafka.consumer.auto-offset-reset}"}
    private String autoOffsetReset;
    @Value{"${spring.kafka.consumer.concurrency}"}
    private Integer concurrency;
    @Value{"${spring.kafka.consumer.session.timeout}"}
    private Integer sessionTimeOut;


    @Bean
    public Map<String,Object> consumerConfigs(){