From 2c1765b3a6d6fcbb484c807e42aaafa228a7e5a1 Mon Sep 17 00:00:00 2001
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<2847127106@qq.com>
Date: Sat, 28 Sep 2024 20:08:09 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96=E5=B9=B6=E6=9B=B4=E6=94=B9ka?=
=?UTF-8?q?fka=E5=AE=9E=E7=8E=B0=E6=96=B9=E5=BC=8F?=
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---
cloud-common/cloud-common-kafka/pom.xml | 5 +-
.../kafka/config/KafkaConsumerConfig.java | 54 +++++++++++++++++++
.../kafka/config/KafkaProducerConfig.java | 45 ----------------
.../kafka/config/KafkaProviderConfig.java | 45 ++++++++++++++++
.../kafka/constants/KafkaConstants.java | 2 -
...ot.autoconfigure.AutoConfiguration.imports | 3 +-
.../data/processing/MyDataApplication.java | 2 +-
.../processing/controller/TestController.java | 23 +++++---
.../kafka/KafkaConsumerService.java | 40 ++++++++++++--
9 files changed, 157 insertions(+), 62 deletions(-)
create mode 100644 cloud-common/cloud-common-kafka/src/main/java/com/muyu/common/kafka/config/KafkaConsumerConfig.java
delete mode 100644 cloud-common/cloud-common-kafka/src/main/java/com/muyu/common/kafka/config/KafkaProducerConfig.java
create mode 100644 cloud-common/cloud-common-kafka/src/main/java/com/muyu/common/kafka/config/KafkaProviderConfig.java
diff --git a/cloud-common/cloud-common-kafka/pom.xml b/cloud-common/cloud-common-kafka/pom.xml
index f4b987e..44dbe21 100644
--- a/cloud-common/cloud-common-kafka/pom.xml
+++ b/cloud-common/cloud-common-kafka/pom.xml
@@ -25,8 +25,9 @@
- org.springframework.kafka
- spring-kafka
+ org.apache.kafka
+ kafka-clients
+ 3.0.0
diff --git a/cloud-common/cloud-common-kafka/src/main/java/com/muyu/common/kafka/config/KafkaConsumerConfig.java b/cloud-common/cloud-common-kafka/src/main/java/com/muyu/common/kafka/config/KafkaConsumerConfig.java
new file mode 100644
index 0000000..21092d2
--- /dev/null
+++ b/cloud-common/cloud-common-kafka/src/main/java/com/muyu/common/kafka/config/KafkaConsumerConfig.java
@@ -0,0 +1,54 @@
+package com.muyu.common.kafka.config;
+
+import com.muyu.common.kafka.constants.KafkaConstants;
+import org.apache.kafka.clients.consumer.KafkaConsumer;
+import org.apache.kafka.common.serialization.Deserializer;
+import org.apache.kafka.common.serialization.StringDeserializer;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.SpringBootConfiguration;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * kafka 消息的消费者 配置类
+ */
+@Configuration
+public class KafkaConsumerConfig {
+
+ @Bean
+ public KafkaConsumer kafkaConsumer() {
+ Map configs = new HashMap<>();
+ //kafka服务端的IP和端口,格式:(ip:port)
+ configs.put("bootstrap.servers", "47.116.173.119:9092");
+ //开启consumer的偏移量(offset)自动提交到Kafka
+ configs.put("enable.auto.commit", true);
+ //consumer的偏移量(offset) 自动提交的时间间隔,单位毫秒
+ configs.put("auto.commit.interval", 5000);
+ //在Kafka中没有初始化偏移量或者当前偏移量不存在情况
+ //earliest, 在偏移量无效的情况下, 自动重置为最早的偏移量
+ //latest, 在偏移量无效的情况下, 自动重置为最新的偏移量
+ //none, 在偏移量无效的情况下, 抛出异常.
+ configs.put("auto.offset.reset", "latest");
+ //请求阻塞的最大时间(毫秒)
+ configs.put("fetch.max.wait", 500);
+ //请求应答的最小字节数
+ configs.put("fetch.min.size", 1);
+ //心跳间隔时间(毫秒)
+ configs.put("heartbeat-interval", 3000);
+ //一次调用poll返回的最大记录条数
+ configs.put("max.poll.records", 500);
+ //指定消费组
+ configs.put("group.id", KafkaConstants.KafkaGrop);
+ //指定key使用的反序列化类
+ Deserializer keyDeserializer = new StringDeserializer();
+ //指定value使用的反序列化类
+ Deserializer valueDeserializer = new StringDeserializer();
+ //创建Kafka消费者
+ KafkaConsumer kafkaConsumer = new KafkaConsumer(configs, keyDeserializer, valueDeserializer);
+ return kafkaConsumer;
+ }
+
+}
diff --git a/cloud-common/cloud-common-kafka/src/main/java/com/muyu/common/kafka/config/KafkaProducerConfig.java b/cloud-common/cloud-common-kafka/src/main/java/com/muyu/common/kafka/config/KafkaProducerConfig.java
deleted file mode 100644
index 22dc7b8..0000000
--- a/cloud-common/cloud-common-kafka/src/main/java/com/muyu/common/kafka/config/KafkaProducerConfig.java
+++ /dev/null
@@ -1,45 +0,0 @@
-package com.muyu.common.kafka.config;
-
-
-import org.apache.kafka.clients.producer.ProducerConfig;
-import org.apache.kafka.common.serialization.StringSerializer;
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-import org.springframework.kafka.core.KafkaTemplate;
-import org.springframework.kafka.core.ProducerFactory;
-import org.springframework.kafka.core.DefaultKafkaProducerFactory;
-
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * @Author: 胡杨
- * @Name: KafkaProducerConfig
- * @Description: kafka生产者配置类
- * @CreatedDate: 2024/9/27 下午7:38
- * @FilePath: com.muyu.common.kafka.config
- * kafka生产者配置类
- */
-@Configuration
-public class KafkaProducerConfig {
-
- @Bean
- public ProducerFactory producerFactory() {
- Map configProps = new HashMap<>();
- configProps.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, "47.116.173.119:9092");
- configProps.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, StringSerializer.class);
- configProps.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, StringSerializer.class);
- // 添加事务相关的配置
- configProps.put(ProducerConfig.ENABLE_IDEMPOTENCE_CONFIG, true);
- configProps.put(ProducerConfig.ACKS_CONFIG, "all");
- configProps.put(ProducerConfig.RETRIES_CONFIG, Integer.MAX_VALUE);
- configProps.put(ProducerConfig.TRANSACTIONAL_ID_CONFIG, "transactionalId");
-
- return new DefaultKafkaProducerFactory<>(configProps);
- }
-
- @Bean
- public KafkaTemplate kafkaTemplate() {
- return new KafkaTemplate<>(producerFactory());
- }
-}
diff --git a/cloud-common/cloud-common-kafka/src/main/java/com/muyu/common/kafka/config/KafkaProviderConfig.java b/cloud-common/cloud-common-kafka/src/main/java/com/muyu/common/kafka/config/KafkaProviderConfig.java
new file mode 100644
index 0000000..07b56d3
--- /dev/null
+++ b/cloud-common/cloud-common-kafka/src/main/java/com/muyu/common/kafka/config/KafkaProviderConfig.java
@@ -0,0 +1,45 @@
+package com.muyu.common.kafka.config;
+
+import org.apache.kafka.clients.producer.KafkaProducer;
+import org.apache.kafka.common.serialization.Serializer;
+import org.apache.kafka.common.serialization.StringSerializer;
+import org.springframework.boot.SpringBootConfiguration;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * kafka 消息的生产者 配置类
+ */
+@Configuration
+public class KafkaProviderConfig {
+
+ @Bean
+ public KafkaProducer kafkaProducer() {
+ Map configs = new HashMap<>();
+ //#kafka服务端的IP和端口,格式:(ip:port)
+ configs.put("bootstrap.servers", "47.116.173.119:9092");
+ //客户端发送服务端失败的重试次数
+ configs.put("retries", 2);
+ //多个记录被发送到同一个分区时,生产者将尝试将记录一起批处理成更少的请求.
+ //此设置有助于提高客户端和服务器的性能,配置控制默认批量大小(以字节为单位)
+ configs.put("batch.size", 16384);
+ //生产者可用于缓冲等待发送到服务器的记录的总内存字节数(以字节为单位)
+ configs.put("buffer-memory", 33554432);
+ //生产者producer要求leader节点在考虑完成请求之前收到的确认数,用于控制发送记录在服务端的持久化
+ //acks=0,设置为0,则生产者producer将不会等待来自服务器的任何确认.该记录将立即添加到套接字(socket)缓冲区并视为已发送.在这种情况下,无法保证服务器已收到记录,并且重试配置(retries)将不会生效(因为客户端通常不会知道任何故障),每条记录返回的偏移量始终设置为-1.
+ //acks=1,设置为1,leader节点会把记录写入本地日志,不需要等待所有follower节点完全确认就会立即应答producer.在这种情况下,在follower节点复制前,leader节点确认记录后立即失败的话,记录将会丢失.
+ //acks=all,acks=-1,leader节点将等待所有同步复制副本完成再确认记录,这保证了只要至少有一个同步复制副本存活,记录就不会丢失.
+ configs.put("acks", "-1");
+ //指定key使用的序列化类
+ Serializer keySerializer = new StringSerializer();
+ //指定value使用的序列化类
+ Serializer valueSerializer = new StringSerializer();
+ //创建Kafka生产者
+ KafkaProducer kafkaProducer = new KafkaProducer(configs, keySerializer, valueSerializer);
+ return kafkaProducer;
+ }
+
+}
diff --git a/cloud-common/cloud-common-kafka/src/main/java/com/muyu/common/kafka/constants/KafkaConstants.java b/cloud-common/cloud-common-kafka/src/main/java/com/muyu/common/kafka/constants/KafkaConstants.java
index 2b89f3c..d4c3d13 100644
--- a/cloud-common/cloud-common-kafka/src/main/java/com/muyu/common/kafka/constants/KafkaConstants.java
+++ b/cloud-common/cloud-common-kafka/src/main/java/com/muyu/common/kafka/constants/KafkaConstants.java
@@ -1,7 +1,5 @@
package com.muyu.common.kafka.constants;
-import org.springframework.beans.factory.annotation.Value;
-
/**
* @Author: 胡杨
* @date: 2024/7/10
diff --git a/cloud-common/cloud-common-kafka/src/main/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports b/cloud-common/cloud-common-kafka/src/main/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports
index cd59fdb..f4a1fdb 100644
--- a/cloud-common/cloud-common-kafka/src/main/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports
+++ b/cloud-common/cloud-common-kafka/src/main/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports
@@ -1 +1,2 @@
-com.muyu.common.kafka.config.KafkaProducerConfig
+com.muyu.common.kafka.config.KafkaConsumerConfig
+com.muyu.common.kafka.config.KafkaProviderConfig
diff --git a/cloud-data-processing/src/main/java/com/muyu/data/processing/MyDataApplication.java b/cloud-data-processing/src/main/java/com/muyu/data/processing/MyDataApplication.java
index ff2394f..e62b6c0 100644
--- a/cloud-data-processing/src/main/java/com/muyu/data/processing/MyDataApplication.java
+++ b/cloud-data-processing/src/main/java/com/muyu/data/processing/MyDataApplication.java
@@ -16,7 +16,7 @@ import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
* @FilePath: com.muyu.data.processing
*/
-
+@EnableMyFeignClients
@SpringBootApplication
public class MyDataApplication {
public static void main(String[] args) {
diff --git a/cloud-data-processing/src/main/java/com/muyu/data/processing/controller/TestController.java b/cloud-data-processing/src/main/java/com/muyu/data/processing/controller/TestController.java
index fab66ea..48602df 100644
--- a/cloud-data-processing/src/main/java/com/muyu/data/processing/controller/TestController.java
+++ b/cloud-data-processing/src/main/java/com/muyu/data/processing/controller/TestController.java
@@ -1,19 +1,21 @@
package com.muyu.data.processing.controller;
+import com.alibaba.fastjson.JSONObject;
import com.muyu.common.kafka.constants.KafkaConstants;
+import com.muyu.data.processing.domain.IotDbData;
import com.muyu.data.processing.domain.req.TestReq;
import com.muyu.data.processing.domain.resp.TestResp;
import com.muyu.data.processing.strategy.root.RootStrategy;
import jakarta.annotation.Resource;
-import org.springframework.kafka.core.KafkaTemplate;
-import org.springframework.messaging.MessageHeaders;
+import org.apache.kafka.clients.producer.KafkaProducer;
+import org.apache.kafka.clients.producer.ProducerRecord;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.bind.annotation.*;
import lombok.extern.slf4j.Slf4j;
-import org.springframework.messaging.Message;
/**
+ * 测试控制层
* @Author: 胡杨
* @Name: Test
* @Description:
@@ -25,13 +27,22 @@ import org.springframework.messaging.Message;
@RequestMapping("/Test")
public class TestController {
@Resource
- private KafkaTemplate kafkaTemplate;
+ private KafkaProducer kafkaProducer;
@GetMapping("/testKafka")
- @Transactional
public void sendMsg(@RequestParam("msg") String msg) {
try {
- kafkaTemplate.send(KafkaConstants.KafkaTopic, msg).get();
+ IotDbData iotDbData = IotDbData.builder()
+ .timestamp(System.currentTimeMillis())
+ .vin("vin666")
+ .key("test")
+ .label("测试数据")
+ .value("Kafka测试")
+ .type("String")
+ .build();
+ String jsonString = JSONObject.toJSONString(iotDbData);
+ ProducerRecord producerRecord = new ProducerRecord<>(KafkaConstants.KafkaTopic, jsonString);
+ kafkaProducer.send(producerRecord);
System.out.println("同步消息发送成功: " + msg);
} catch (Exception e) {
e.printStackTrace();
diff --git a/cloud-data-processing/src/main/java/com/muyu/data/processing/kafka/KafkaConsumerService.java b/cloud-data-processing/src/main/java/com/muyu/data/processing/kafka/KafkaConsumerService.java
index 5648325..3fecf5a 100644
--- a/cloud-data-processing/src/main/java/com/muyu/data/processing/kafka/KafkaConsumerService.java
+++ b/cloud-data-processing/src/main/java/com/muyu/data/processing/kafka/KafkaConsumerService.java
@@ -1,11 +1,22 @@
package com.muyu.data.processing.kafka;
+import cn.hutool.core.thread.ThreadUtil;
+import cn.hutool.json.JSONUtil;
+import com.alibaba.nacos.shaded.com.google.common.collect.Lists;
import com.muyu.common.kafka.constants.KafkaConstants;
+import com.muyu.data.processing.domain.IotDbData;
+import jakarta.annotation.Resource;
import lombok.extern.slf4j.Slf4j;
-import org.springframework.kafka.annotation.KafkaListener;
+import org.apache.kafka.clients.consumer.ConsumerRecord;
+import org.apache.kafka.clients.consumer.ConsumerRecords;
+import org.apache.kafka.clients.consumer.KafkaConsumer;
+import org.springframework.beans.factory.InitializingBean;
import org.springframework.stereotype.Component;
+import java.time.Duration;
+import java.util.Collection;
+
/**
* @Author: 胡杨
* @Name: KafkaConsumerService
@@ -16,10 +27,29 @@ import org.springframework.stereotype.Component;
@Slf4j
@Component
-public class KafkaConsumerService {
+public class KafkaConsumerService implements InitializingBean {
+ @Resource
+ private KafkaConsumer kafkaConsumer;
- @KafkaListener(topics = {KafkaConstants.KafkaTopic}, groupId = KafkaConstants.KafkaGrop)
- public void listen(String msg) {
- log.info("kafka 消费消息:{}", msg);
+ @Override
+ public void afterPropertiesSet() throws Exception {
+ Thread thread = new Thread(() -> {
+ log.info("启动线程监听Topic: {}", KafkaConstants.KafkaTopic);
+ ThreadUtil.sleep(1000);
+ Collection topics = Lists.newArrayList(KafkaConstants.KafkaTopic);
+ kafkaConsumer.subscribe(topics);
+ while (true) {
+ ConsumerRecords consumerRecords = kafkaConsumer.poll(Duration.ofMillis(1000));
+ for (ConsumerRecord consumerRecord : consumerRecords) {
+ //1.从ConsumerRecord中获取消费数据
+ String originalMsg = (String) consumerRecord.value();
+ log.info("从Kafka中消费的原始数据: " + originalMsg);
+ //2.把消费数据转换为DTO对象
+ IotDbData iotDbData = JSONUtil.toBean(originalMsg, IotDbData.class);
+ log.info("消费数据转换为DTO对象: " + iotDbData.toString());
+ }
+ }
+ });
+ thread.start();
}
}