<dependency>
    <groupId>org.springframework.cloud</groupId>
    <artifactId>spring-cloud-starter-stream-rabbit</artifactId>
</dependency>

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

<properties>
    <maven.compiler.source>8</maven.compiler.source>
    <maven.compiler.target>8</maven.compiler.target>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <springboot.version>2.6.8</springboot.version>
    <springcloud.version>2021.0.3</springcloud.version>
</properties>

<dependencyManagement>
    <dependencies>
        <dependency>
           <groupId>org.springframework.boot</groupId>
           <artifactId>spring-boot-dependencies</artifactId>
           <version>${springboot.version}</version>
           <type>pom</type>
           <scope>import</scope>
       </dependency>
        <dependency>
           <groupId>org.springframework.cloud</groupId>
           <artifactId>spring-cloud-dependencies</artifactId>
           <version>${springcloud.version}</version>
           <type>pom</type>
           <scope>import</scope>
       </dependency>
    </dependencies>
</dependencyManagement>
<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-starter-stream-rabbit</artifactId>
    </dependency>
</dependencies>

server:
  port: 8801

spring:
  application:
    name: cloud-stream-provider
  cloud:
    stream:
      binders: # 在此處配置要綁定的rabbitmq的服務(wù)信息；
        defaultRabbit: # 表示定義的名稱，用于于binding整合
          type: rabbit # 消息組件類型
          environment: # 設(shè)置rabbitmq的相關(guān)的環(huán)境配置
            spring:
              rabbitmq:
                host: localhost
                port: 5672
                username: guest
                password: guest
      bindings: # 服務(wù)的整合處理
        output: # 這個(gè)名字是一個(gè)通道的名稱
          destination: studyExchange # 表示要使用的Exchange名稱定義
          content-type: application/json # 設(shè)置消息類型，本次為json，文本則設(shè)置“text/plain”
          binder: defaultRabbit # 設(shè)置要綁定的消息服務(wù)的具體設(shè)置

public interface IMessageProvider {
    public String send();
}

import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.messaging.Source;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.messaging.MessageChannel;

import javax.annotation.Resource;
import java.util.UUID;

// 可以理解為是一個(gè)消息的發(fā)送管道的定義
@EnableBinding(Source.class)
public class MessageProviderImpl implements IMessageProvider {

    // 消息的發(fā)送管道
    @Resource
    private MessageChannel output;

    @Override
    public String send() {
        String serial = UUID.randomUUID().toString();
        // 創(chuàng)建并發(fā)送消息
        this.output.send(MessageBuilder.withPayload(serial).build());
        System.out.println("***serial: " + serial);
        return serial;
    }
}

@RestController
public class SendMessageController {

    @Autowired
    private IMessageProvider iMessageProvider;

    @GetMapping("send")
    public String send() {
        return iMessageProvider.send();
    }
}

server:
  port: 8802

spring:
  application:
    name: cloud-stream-consumer
  cloud:
    stream:
      binders: # 在此處配置要綁定的rabbitmq的服務(wù)信息；
        defaultRabbit: # 表示定義的名稱，用于于binding整合
          type: rabbit # 消息組件類型
          environment: # 設(shè)置rabbitmq的相關(guān)的環(huán)境配置
            spring:
              rabbitmq:
                host: localhost
                port: 5672
                username: guest
                password: guest
      bindings: # 服務(wù)的整合處理
        input: # 這個(gè)名字是一個(gè)通道的名稱
          destination: studyExchange # 表示要使用的Exchange名稱定義
          content-type: application/json # 設(shè)置消息類型，本次為對象json，如果是文本則設(shè)置“text/plain”
          binder: defaultRabbit # 設(shè)置要綁定的消息服務(wù)的具體設(shè)置

import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.annotation.StreamListener;
import org.springframework.cloud.stream.messaging.Sink;
import org.springframework.messaging.Message;
import org.springframework.stereotype.Component;

@Component
@EnableBinding(Sink.class)
public class ReceiveMessageListener {
    @Value("${server.port}")
    private String serverPort;

    @StreamListener(Sink.INPUT)
    public void input(Message<String> message) {
        System.out.println("消費(fèi)者1號，------->接收到的消息：" + message.getPayload() + "\t port: " + serverPort);
    }
}