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织梦如何修改网站内容,seo就业指导,做微商有哪些网站可以免费宣传,郑州关键词排名外包使用Spring-Kafka快速发送/接受Kafka消息示例代码，项目结构是最基础的SpringBoot结构，提前安装好Kafka，确保Kafka已经正确启动 pom.xml，根据个人情况更换springboot、java版本等 <?xml version"1.0" encoding&qu…

使用Spring-Kafka快速发送/接受Kafka消息示例代码，项目结构是最基础的SpringBoot结构，提前安装好Kafka，确保Kafka已经正确启动
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pom.xml，根据个人情况更换springboot、java版本等

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>3.4.1</version><relativePath/> <!-- lookup parent from repository --></parent><groupId>org.example</groupId><artifactId>kafka-study</artifactId><version>0.0.1-SNAPSHOT</version><name>kafka-study</name><description>kafka-study</description><url/><licenses><license/></licenses><developers><developer/></developers><scm><connection/><developerConnection/><tag/><url/></scm><properties><java.version>21</java.version></properties><dependencies><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter</artifactId></dependency><dependency><groupId>org.springframework.kafka</groupId><artifactId>spring-kafka</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency><dependency><groupId>org.springframework.kafka</groupId><artifactId>spring-kafka-test</artifactId><scope>test</scope></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId><version>RELEASE</version><scope>compile</scope></dependency></dependencies><build><plugins><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId></plugin></plugins></build></project>

application.properies

spring.application.name=kafka-study
server.port=8081
spring.kafka.producer.bootstrap-servers=127.0.0.1:9092

启动类

package org.example.kafkastudy;import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;@SpringBootApplication
public class KafkaStudyApplication {public static void main(String[] args) {SpringApplication.run(KafkaStudyApplication.class, args);}}

Controller

package org.example.kafkastudy.controller;import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.kafka.annotation.KafkaListener;
import org.springframework.kafka.core.KafkaTemplate;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;/*** KafkaController* @date 2024/12/26*/
@RestController
public class KafkaController {private final Logger logger = LoggerFactory.getLogger(KafkaController.class);@Autowiredprivate KafkaTemplate<Object, Object> template;@GetMapping("/send/{input}")public void sendFoo(@PathVariable String input) {this.template.send("topic_input", input);}@KafkaListener(id = "webGroup", topics = "topic_input")public void listen(String input) {logger.info("input value: {}" , input);}}