Spring-Boot-Kafka

官方文档

https://docs.spring.io/spring-boot/docs/2.1.1.RELEASE/reference/htmlsingle/#boot-features-kafka

POM添加jar支持

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

消费者

package com.jachs.kafka.config;

import org.springframework.kafka.annotation.KafkaListener;
import org.springframework.stereotype.Component;

@Component
public class Process {
    @KafkaListener(topics = "test1")
    public void processMessage(String content) {
        System.out.println(content);
    }
}

生产者

package com.jachs.kafka.controller;

import java.util.Date;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.kafka.core.KafkaTemplate;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

@Controller
public class SendMessAge {
    @Autowired
    private  KafkaTemplate kafkaTemplate;
    
    @RequestMapping("/send")
    public String send() {
        
        kafkaTemplate.send("test1",new Date().getTime()+"");
        return "";
    }
}

KafkaTemplate 自动注入的对象

spring.kafka.bootstrap-servers=127.0.0.1:9092
spring.kafka.consumer.group-id=myGroup