{"id":36767,"date":"2022-11-03T13:02:52","date_gmt":"2023-06-06T02:22:16","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8micronaut%e8%ae%bf%e9%97%aeapache-kafka\/"},"modified":"2024-04-28T22:47:56","modified_gmt":"2024-04-28T14:47:56","slug":"%e4%bd%bf%e7%94%a8micronaut%e8%ae%bf%e9%97%aeapache-kafka","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8micronaut%e8%ae%bf%e9%97%aeapache-kafka\/","title":{"rendered":"\u4f7f\u7528Micronaut\u8bbf\u95eeApache Kafka"},"content":{"rendered":"

\u5fae\u578b\u51e1\u4eba\u5361\u592b\u5361<\/h1>\n

\u7531\u4e8eMicronaut\u58f0\u79f0\u5177\u6709\u5bf9Apache Kafka\u7684\u652f\u6301\uff0c\u6240\u4ee5\u6211\u51b3\u5b9a\u8bd5\u4e00\u8bd5\u3002<\/p>\n

\u5361\u592b\u5361\u6280\u672f\u652f\u6301<\/p>\n

\u636e\u8bf4\u53ef\u4ee5\u4f7f\u7528Micronaut\u6765\u521b\u5efaApache Kafka\u7684Producer\u548cConsumer\u3002<\/p>\n

\u5fae\u670d\u52a1Kafka<\/p>\n

\u73af\u5883<\/h1>\n

\u8fd9\u6b21\u4f7f\u7528\u7684Micronaut\u7248\u672c\u3002<\/p>\n

$ <\/span>mn -V<\/span>\r\n| Micronaut Version: 1.0.4\r\n| JVM Version: 1.8.0_191\r\n<\/code><\/pre>\n
\u5728Micronaut 1.0.4\u7248\u672c\u4e2d\uff0c\u4f3c\u4e4e\u652f\u6301Apache Kafka 2.0.1\u7248\u672c\u3002<\/p>\n
\u5347\u7ea7\u5230Kafka 2.0.1<\/p><\/blockquote>\n
\u5fae\u670d\u52a1\u7ea7\u522b\u7684Kafka<\/p>\n
\u6839\u636e\u8fd9\u4e2a\u8981\u6c42\uff0c\u6211\u4eec\u4e0b\u8f7d\u4e86Apache Kafka 2.0.1\u3002<\/p>\n
$ <\/span>wget http:\/\/ftp.tsukuba.wide.ad.jp\/software\/apache\/kafka\/2.0.1\/kafka_2.12-2.0.1.tgz\r\n$ <\/span>tar <\/span>xf kafka_2.12-2.0.1.tgz\r\n$ <\/span>cd <\/span>kafka_2.12-2.0.1\r\n<\/code><\/pre>\n
\u6309\u7167Apache Kafka\u7684\u5feb\u901f\u5165\u95e8\uff0c\u542f\u52a8Apache ZooKeeper\u548cApache Kafka Broker\u3002<\/p>\n
\u5feb\u901f\u542f\u52a8\/\u542f\u52a8\u670d\u52a1\u5668<\/p>\n
## Apache Zookeeper<\/span>\r\n$ <\/span>bin\/zookeeper-server-start.sh config\/zookeeper.properties\r\n\r\n## Apache Kafka\uff08Broker\uff09<\/span>\r\n$ <\/span>bin\/kafka-server-start.sh config\/server.properties\r\n<\/code><\/pre>\n
\u8fd9\u4e2a\u4e3b\u9898\u662f\u7528\u201cmy-topic\u201d\u4f5c\u4e3a\u540d\u79f0\u521b\u5efa\u7684\u3002<\/p>\n
$ <\/span>bin\/kafka-topics.sh --create<\/span> --zookeeper<\/span> localhost:2181 --replication-factor<\/span> 1 --partitions<\/span> 3 --topic<\/span> my-topic\r\nCreated topic \"my-topic\"<\/span>.<\/span>\r\n<\/code><\/pre>\n
\u5236\u4f5c\u5e94\u7528\u7a0b\u5e8f<\/h1>\n
\u90a3\u4e48\uff0c\u6211\u6765\u8bd5\u7740\u521b\u5efa\u4e00\u4e2a\u5e94\u7528\u7a0b\u5e8f\u3002\u521b\u5efa\u4e86\u4e00\u4e2a\u4f9b\u5e94\u8005\u548c\u6d88\u8d39\u8005 \uff08\u8fd9\u91cc\u4ee5\u76d1\u542c\u5668\u8868\u793a\uff09\u7528\u7684\u9879\u76ee\u3002<\/p>\n
## Producer<\/span>\r\n$ <\/span>mn create-app --features<\/span> kafka --build<\/span> maven hello-kafka-producer\r\n\r\n## Listener\uff08Consumer\uff09<\/span>\r\n$ <\/span>mn create-app --features<\/span> kafka --build<\/span> maven hello-kafka-listener\r\n<\/code><\/pre>\n
\u968f\u540e\uff0c\u5c06\u9010\u6b65\u5411\u8fd9\u4e24\u4e2a\u9879\u76ee\u6dfb\u52a0\u548c\u7f16\u8f91\u6e90\u4ee3\u7801\u3002<\/p>\n
\u5236\u9020\u4e00\u4e2a\u5236\u4f5c\u4eba<\/h2>\n
\u90a3\u4e48\uff0c\u8ba9\u6211\u4eec\u6765\u7f16\u5199\u4e00\u4e2a\u5411Apache Kafka Broker\u53d1\u9001\u6d88\u606f\u7684Producer\u3002<\/p>\n
$ <\/span>cd <\/span>hello-kafka-producer\r\n<\/code><\/pre>\n
\u4e3b\u7c7b\u5c06\u4fdd\u6301\u81ea\u52a8\u751f\u6210\u7684\u72b6\u6001\u4f7f\u7528\u3002<\/p>\n
src\/main\/java\/hello\/kafka\/producer\/Application.java\u7684\u4e2d\u6587\u7ffb\u8bd1\u53ef\u4ee5\u662f\uff1a\u4e3b\u8981\/\u4e3b\u6587\u4ef6\/\u5165\u53e3\u6587\u4ef6\/\u8d77\u59cb\u6587\u4ef6\/\u5e94\u7528\u7a0b\u5e8f.java<\/p>\n
package<\/span> hello.kafka.producer<\/span>;<\/span>\r\n\r\nimport<\/span> io.micronaut.runtime.Micronaut<\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> Application<\/span> {<\/span>\r\n\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n        Micronaut<\/span>.<\/span>run<\/span>(<\/span>Application<\/span>.<\/span>class<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u751f\u4ea7\u8005\u4f3c\u4e4e\u9700\u8981\u521b\u5efa\u5e26\u6709@KafkaClient\u6ce8\u91ca\u7684\u63a5\u53e3\u3002<\/p>\n
\u5b9a\u4e49 @KafkaClient \u65b9\u6cd5<\/p>\n
\u4ee5\u8fd9\u79cd\u65b9\u5f0f\u521b\u5efa\uff0c\u4e0d\u9700\u8981\u521b\u5efa\u4e0e\u63a5\u53e3\u76f8\u5bf9\u5e94\u7684\u5b9e\u73b0\u7c7b\u3002<\/p>\n
src\/main\/java\/hello\/kafka\/producer\/MessageClient.java \u7684\u539f\u6587\u4ef6\u3002<\/p>\n
package<\/span> hello.kafka.producer<\/span>;<\/span>\r\n\r\nimport<\/span> io.micronaut.configuration.kafka.annotation.KafkaClient<\/span>;<\/span>\r\nimport<\/span> io.micronaut.configuration.kafka.annotation.KafkaKey<\/span>;<\/span>\r\nimport<\/span> io.micronaut.configuration.kafka.annotation.Topic<\/span>;<\/span>\r\nimport<\/span> io.reactivex.Single<\/span>;<\/span>\r\n\r\n@KafkaClient<\/span>(<\/span>acks<\/span> =<\/span> KafkaClient<\/span>.<\/span>Acknowledge<\/span>.<\/span>ALL<\/span>)<\/span>\r\npublic<\/span> interface<\/span> MessageClient<\/span> {<\/span>\r\n    @Topic<\/span>(<\/span>\"my-topic\"<\/span>)<\/span>\r\n    Single<\/span><<\/span>String<\/span>><\/span> send<\/span>(<\/span>@KafkaKey<\/span> String<\/span> key<\/span>,<\/span> Single<\/span><<\/span>String<\/span>><\/span> message<\/span>);<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u914d\u7f6e\u53ef\u4ee5\u5728@KafkaClient\u6ce8\u91ca\u548c\u914d\u7f6e\u6587\u4ef6\u4e2d\u8fdb\u884c\u3002<\/p>\n
\u5728@KafkaClient\u6ce8\u89e3\u4e2d\uff0c\u53ea\u8fdb\u884c\u4e86ACK\u7684\u8bbe\u7f6e\u3002<\/p>\n
@KafkaClient<\/span>(<\/span>acks<\/span> =<\/span> KafkaClient<\/span>.<\/span>Acknowledge<\/span>.<\/span>ALL<\/span>)<\/span>\r\npublic<\/span> interface<\/span> MessageClient<\/span> {<\/span>\r\n<\/code><\/pre>\n
\u8bbe\u7f6e\u6587\u4ef6\u5728\u8fd9\u91cc\u3002<\/p>\n
src\/main\/resources\/application.yml \u7684\u539f\u6587\u4ef6\u8def\u5f84\u3002<\/p>\n
---<\/span>\r\nmicronaut<\/span>:<\/span>\r\n    application<\/span>:<\/span>\r\n        name<\/span>:<\/span> hello-kafka-producer<\/span>\r\n\r\n---<\/span>\r\nkafka<\/span>:<\/span>\r\n    bootstrap<\/span>:<\/span>\r\n        servers<\/span>:<\/span> localhost:9092<\/span>\r\n    producers<\/span>:<\/span>\r\n        default<\/span>:<\/span>\r\n            retries<\/span>:<\/span> 5<\/span>\r\n<\/code><\/pre>\n
\u5728kafka.bootstrap.servers\u4e2d\u8fdb\u884c\u8fde\u63a5\u914d\u7f6e\uff0c\u7528\u4e8e\u4e0eApache Kafka Broker\u5efa\u7acb\u8fde\u63a5\u3002<\/p>\n
Producer\u7684\u884c\u4e3a\u662f\u901a\u8fc7kafka.producers.[client-id]\u6765\u8fdb\u884c\u7684\u3002<\/p>\n
\u901a\u8fc7\u6307\u5b9aID\uff0c\u53ef\u4ee5\u5bf9@KafkaClient\u5355\u5143\u8fdb\u884c\u8bbe\u7f6e\u3002<\/p>\n
\u6839\u636e@KafkaClient\u751f\u4ea7\u8005\u5c5e\u6027<\/p>\n
\u56e0\u4e3a\u8fd9\u6b21\u6ca1\u6709\u7279\u522b\u6307\u5b9aID\uff0c\u6240\u4ee5\u9ed8\u8ba4\u4f7f\u7528\u4e86\u540d\u4e3a”default”\u7684\u540d\u79f0\u3002<\/p>\n
\u53d1\u9001\u6d88\u606f\u9700\u8981\u4f7f\u7528\u5e26\u6709@Topic\u6ce8\u89e3\u548c\u6307\u5b9a\u4e3b\u9898\u540d\u79f0\u7684\u65b9\u6cd5\u3002<\/p>\n
    @Topic<\/span>(<\/span>\"my-topic\"<\/span>)<\/span>\r\n    Single<\/span><<\/span>String<\/span>><\/span> send<\/span>(<\/span>@KafkaKey<\/span> String<\/span> key<\/span>,<\/span> Single<\/span><<\/span>String<\/span>><\/span> message<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u5982\u679c\u60a8\u8981\u6307\u5b9a\u952e\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528@KafkaKey\u3002\u5982\u679c\u4e0d\u4f7f\u7528\u952e\uff0c\u5219\u65e0\u9700\u6307\u5b9a\uff08\u53ef\u4ee5\u7701\u7565\u952e\u53c2\u6570\u672c\u8eab\uff09\u3002<\/p>\n
\u53e6\u5916\uff0c\u7531\u4e8e\u53ef\u4ee5\u4f7f\u7528RxJava\u7b49Reactive Streams\u76f8\u5173\u7684\u7c7b\u578b\uff0c\u56e0\u6b64\u6211\u4eec\u9009\u62e9\u4e86\u8fd9\u4e2a\u9009\u9879\u3002<\/p>\n
\u54cd\u5e94\u5f0f\u548c\u975e\u963b\u585e\u65b9\u6cd5\u5b9a\u4e49<\/p>\n
\u6700\u540e\uff0c\u4f7f\u7528 @KafkaClient \u7684 @Controller\u3002<\/p>\n
src\/main\/java\/hello\/kafka\/producer\/MessageController.java \u7684\u6e90\u4ee3\u7801\u6587\u4ef6\u4f4d\u7f6e<\/p>\n
package<\/span> hello.kafka.producer<\/span>;<\/span>\r\n\r\nimport<\/span> javax.inject.Inject<\/span>;<\/span>\r\n\r\nimport<\/span> io.micronaut.http.MediaType<\/span>;<\/span>\r\nimport<\/span> io.micronaut.http.annotation.Body<\/span>;<\/span>\r\nimport<\/span> io.micronaut.http.annotation.Controller<\/span>;<\/span>\r\nimport<\/span> io.micronaut.http.annotation.Post<\/span>;<\/span>\r\nimport<\/span> io.reactivex.Single<\/span>;<\/span>\r\n\r\n@Controller<\/span>(<\/span>\"\/message\"<\/span>)<\/span>\r\npublic<\/span> class<\/span> MessageController<\/span> {<\/span>\r\n    @Inject<\/span>\r\n    MessageClient<\/span> messageClient<\/span>;<\/span>\r\n\r\n    @Post<\/span>(<\/span>value<\/span> =<\/span> \"\/{key}\"<\/span>,<\/span> consumes<\/span> =<\/span> MediaType<\/span>.<\/span>TEXT_PLAIN<\/span>,<\/span> produces<\/span> =<\/span> MediaType<\/span>.<\/span>TEXT_PLAIN<\/span>)<\/span>\r\n    public<\/span> Single<\/span><<\/span>String<\/span>><\/span> message<\/span>(<\/span>String<\/span> key<\/span>,<\/span> @Body<\/span> Single<\/span><<\/span>String<\/span>><\/span> value<\/span>)<\/span> {<\/span>\r\n        return<\/span> messageClient<\/span>.<\/span>send<\/span>(<\/span>key<\/span>,<\/span> value<\/span>).<\/span>map<\/span>(<\/span>v<\/span> -><\/span> String<\/span>.<\/span>format<\/span>(<\/span>\"message [%s] sended\"<\/span>,<\/span> v<\/span>));<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u6784\u5efa\u3002<\/p>\n
$ <\/span>.\/mvnw package\r\n<\/code><\/pre>\n
\u73b0\u5728\uff0c\u5236\u7247\u65b9\u5df2\u7ecf\u5b8c\u6210\u4e86\u3002<\/p>\n
\u542c\u4f17\uff08\u6d88\u8d39\u8005\uff09<\/h2>\n
\u63a5\u4e0b\u6765\uff0c\u8ba9\u6211\u4eec\u6765\u8c08\u8c08\u6d88\u8d39\u8005\u65b9\u9762\u3002<\/p>\n
$ <\/span>cd <\/span>hello-kafka-listener\r\n<\/code><\/pre>\n
\u4f7f\u7528 @KafkaListener \u7684 Kafka \u6d88\u8d39\u8005<\/p>\n
\u6d88\u8d39\u8005\u53ef\u4ee5\u4f7f\u7528 @KafkaListener \u6ce8\u89e3\u6765\u521b\u5efa\u3002\u8fd9\u662f\u4e00\u4e2a\u7c7b\u7684\u5b9a\u4e49\u3002<\/p>\n
src\/main\/java\/hello\/kafka\/listener\/MessageListener.java\uff1a
\n\u4e3b\u8981\u7684JAVA\u6587\u4ef6\uff0c\u76d1\u542cKafka\u6d88\u606f\u7684\u76d1\u542c\u5668\u6587\u4ef6\u3002<\/p>\n
package<\/span> hello.kafka.listener<\/span>;<\/span>\r\n\r\nimport<\/span> java.util.List<\/span>;<\/span>\r\n\r\nimport<\/span> io.micronaut.configuration.kafka.Acknowledgement<\/span>;<\/span>\r\nimport<\/span> io.micronaut.configuration.kafka.annotation.KafkaKey<\/span>;<\/span>\r\nimport<\/span> io.micronaut.configuration.kafka.annotation.KafkaListener<\/span>;<\/span>\r\nimport<\/span> io.micronaut.configuration.kafka.annotation.OffsetReset<\/span>;<\/span>\r\nimport<\/span> io.micronaut.configuration.kafka.annotation.OffsetStrategy<\/span>;<\/span>\r\nimport<\/span> io.micronaut.configuration.kafka.annotation.Topic<\/span>;<\/span>\r\nimport<\/span> io.reactivex.Single<\/span>;<\/span>\r\n\r\n@KafkaListener<\/span>(<\/span>groupId<\/span> =<\/span> \"message-group\"<\/span>,<\/span> offsetReset<\/span> =<\/span> OffsetReset<\/span>.<\/span>EARLIEST<\/span>,<\/span> offsetStrategy<\/span> =<\/span> OffsetStrategy<\/span>.<\/span>DISABLED<\/span>)<\/span>\r\npublic<\/span> class<\/span> MessageListener<\/span> {<\/span>\r\n    @Topic<\/span>(<\/span>\"my-topic\"<\/span>)<\/span>\r\n    public<\/span> void<\/span> receive<\/span>(<\/span>@KafkaKey<\/span> String<\/span> key<\/span>,<\/span> Single<\/span><<\/span>String<\/span>><\/span> message<\/span>,<\/span> Acknowledgement<\/span> acknowledgement<\/span>)<\/span> {<\/span>\r\n        message<\/span>.<\/span>subscribe<\/span>(<\/span>m<\/span> -><\/span> {<\/span>\r\n            System<\/span>.<\/span>out<\/span>.<\/span>printf<\/span>(<\/span>\"Received key \/ message = %s \/ %s%n\"<\/span>,<\/span> key<\/span>,<\/span> m<\/span>);<\/span>\r\n            acknowledgement<\/span>.<\/span>ack<\/span>();<\/span>\r\n        });<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u4f7f\u7528@KafkaListener\u6ce8\u89e3\u6765\u914d\u7f6e\u6d88\u8d39\u8005\uff0c\u5e76\u5728\u63a5\u6536\u6d88\u606f\u7684\u65b9\u6cd5\u4e0a\u6307\u5b9a@Topic\u6ce8\u89e3\u3002<\/p>\n
@KafkaListener<\/span>(<\/span>groupId<\/span> =<\/span> \"message-group\"<\/span>,<\/span> offsetReset<\/span> =<\/span> OffsetReset<\/span>.<\/span>EARLIEST<\/span>,<\/span> offsetStrategy<\/span> =<\/span> OffsetStrategy<\/span>.<\/span>DISABLED<\/span>)<\/span>\r\npublic<\/span> class<\/span> MessageListener<\/span> {<\/span>\r\n    @Topic<\/span>(<\/span>\"my-topic\"<\/span>)<\/span>\r\n    public<\/span> void<\/span> receive<\/span>(<\/span>@KafkaKey<\/span> String<\/span> key<\/span>,<\/span> Single<\/span><<\/span>String<\/span>><\/span> message<\/span>,<\/span> Acknowledgement<\/span> acknowledgement<\/span>)<\/span> {<\/span>\r\n<\/code><\/pre>\n
\u4f7f\u7528\u7684\u7c7b\u578b\u662f\u53cd\u5e94\u5f0f\u7684\u3002<\/p>\n
\u63a5\u6536\u548c\u8fd4\u56de\u53cd\u5e94\u5f0f\u7c7b\u578b<\/p>\n
\u6b64\u5916\uff0c\u6211\u4eec\u8fd8\u4f7f\u7528ACK\u3002<\/p>\n
        message<\/span>.<\/span>subscribe<\/span>(<\/span>m<\/span> -><\/span> {<\/span>\r\n            System<\/span>.<\/span>out<\/span>.<\/span>printf<\/span>(<\/span>\"Received key \/ message = %s \/ %s%n\"<\/span>,<\/span> key<\/span>,<\/span> m<\/span>);<\/span>\r\n            acknowledgement<\/span>.<\/span>ack<\/span>();<\/span>\r\n        });<\/span>\r\n<\/code><\/pre>\n
\u8fd9\u6b21\uff0c\u8bbe\u7f6e\u4ec5\u9650\u4e8e\u8fde\u63a5\u5230\u7ecf\u7eaa\u4eba\u3002\u53e6\u5916\uff0c\u7531\u4e8e\u5728\u540c\u4e00\u4e3b\u673a\u4e0a\u542f\u52a8\u4e86Producer\uff0c\u6240\u4ee5\u5c06micronaut.server.port\u8bbe\u7f6e\u4e3a8080\u4ee5\u5916\u7684\u503c\u3002<\/p>\n
\u6e90\u4ee3\u7801\/\u4e3b\u8981\u8d44\u6e90\/\u5e94\u7528\u7a0b\u5e8f\u914d\u7f6e\u6587\u4ef6\/application.yml<\/p>\n
---<\/span>\r\nmicronaut<\/span>:<\/span>\r\n    application<\/span>:<\/span>\r\n        name<\/span>:<\/span> hello-kafka-listener<\/span>\r\n    server<\/span>:<\/span>\r\n        port<\/span>:<\/span> 9080<\/span>\r\n\r\n---<\/span>\r\nkafka<\/span>:<\/span>\r\n    bootstrap<\/span>:<\/span>\r\n        servers<\/span>:<\/span> localhost:9092<\/span>\r\n<\/code><\/pre>\n
\u8fd9\u4e5f\u662f\u4e00\u4e2a\u9879\u76ee\u3002<\/p>\n
$ <\/span>.\/mvnw package\r\n<\/code><\/pre>\n
\u73b0\u5728\uff0c\u6d88\u8d39\u8005\u8fd9\u65b9\u9762\u4e5f\u51c6\u5907\u5c31\u7eea\u4e86\u3002<\/p>\n
\u8bd5\u7740\u52a8\u4e00\u4e0b\u3002<\/h1>\n
\u90a3\u4e48\uff0c\u6211\u4eec\u6765\u8fdb\u884c\u52a8\u4f5c\u786e\u8ba4\u5427\u3002<\/p>\n
## Producer\u3092\u8d77\u52d5<\/span>\r\n$ <\/span>java -jar<\/span> target\/hello-kafka-producer-0.1.jar\r\n\r\n\r\n## Consumer\u3092\u8d77\u52d5<\/span>\r\n$ <\/span>java -jar<\/span> target\/hello-kafka-listener-0.1.jar\r\n<\/code><\/pre>\n
\u6211\u4f1a\u968f\u4fbf\u7ed9\u5236\u7247\u4eba\u53d1\u4e00\u6761\u6d88\u606f\u8bd5\u8bd5\u770b\u3002<\/p>\n
$ <\/span>curl -H<\/span> 'Content-Type: text\/plain'<\/span> localhost:8080\/message\/key1 -d<\/span> 'value1'<\/span>\r\nmessage [<\/span>value1] sended\r\n\r\n$ <\/span>curl -H<\/span> 'Content-Type: text\/plain'<\/span> localhost:8080\/message\/key2 -d<\/span> 'value2'<\/span>\r\nmessage [<\/span>value2] sended\r\n\r\n$ <\/span>curl -H<\/span> 'Content-Type: text\/plain'<\/span> localhost:8080\/message\/key3 -d<\/span> 'value3'<\/span>\r\nmessage [<\/span>value3] sended\r\n<\/code><\/pre>\n
\u5728\u6d88\u8d39\u8005\u7aef\uff0c\u63a5\u6536\u5230\u7684\u6d88\u606f\u5c06\u4ee5\u8fd9\u79cd\u65b9\u5f0f\u663e\u793a\u3002<\/p>\n
Received key \/ message =<\/span> key1 \/ value1\r\nReceived key \/ message =<\/span> key2 \/ value2\r\nReceived key \/ message =<\/span> key3 \/ value3\r\n<\/code><\/pre>\n
\u770b\u8d77\u6765\u4f60\u6210\u529f\u5730\u79fb\u52a8\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5fae\u578b\u51e1\u4eba\u5361\u592b\u5361 \u7531\u4e8eMicronaut\u58f0\u79f0\u5177\u6709\u5bf9Apache Kafka\u7684\u652f\u6301\uff0c\u6240\u4ee5\u6211\u51b3\u5b9a\u8bd5\u4e00\u8bd5\u3002 \u5361\u592b\u5361\u6280\u672f […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-36767","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u4f7f\u7528Micronaut\u8bbf\u95eeApache Kafka - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528micronaut\u8bbf\u95eeapache-kafka\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4f7f\u7528Micronaut\u8bbf\u95eeApache Kafka\" \/>\n<meta property=\"og:description\" content=\"\u5fae\u578b\u51e1\u4eba\u5361\u592b\u5361 \u7531\u4e8eMicronaut\u58f0\u79f0\u5177\u6709\u5bf9Apache Kafka\u7684\u652f\u6301\uff0c\u6240\u4ee5\u6211\u51b3\u5b9a\u8bd5\u4e00\u8bd5\u3002 \u5361\u592b\u5361\u6280\u672f […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528micronaut\u8bbf\u95eeapache-kafka\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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