SpringCloud Day08--消息驱动(SpringCloud Stream)（二）

@EnableBinding(Source.class)//可以理解为是一个消息的发送管道的定义
@Slf4j
public class MessageProviderImpl implements IMessageProvider {
    @Resource
    private MessageChannel output;//消息发送管道
    @Override
    public String send() {
        String serial = UUID.randomUUID().toString();
        this.output.send(MessageBuilder.withPayload(serial).build());//创建并发送消息
        log.info("*****serial:{}",serial);
        return serial;
    }
}

@RestController
public class SendMessageController
{
    @Resource
    private IMessageProvider messageProvider;
    @GetMapping(value = "/sendMessage")
    public String sendMessage()
    {
        return messageProvider.send();
    }
}

<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-starter-stream-rabbit</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-actuator</artifactId>
    </dependency>
    <!--基础配置-->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-devtools</artifactId>
        <scope>runtime</scope>
        <optional>true</optional>
    </dependency>
    <dependency>
        <groupId>org.projectlombok</groupId>
        <artifactId>lombok</artifactId>
        <optional>true</optional>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-test</artifactId>
        <scope>test</scope>
    </dependency>
</dependencies>

server:
  port: 8802
spring:
  application:
    name: cloud-stream-consumer
  cloud:
    stream:
      binders: # 在此处配置要绑定的rabbitmq的服务信息；
        defaultRabbit: # 表示定义的名称，用于于binding整合
          type: rabbit # 消息组件类型
          environment: # 设置rabbitmq的相关的环境配置
            spring:
              rabbitmq:
                host: 192.168.174.128
                port: 5672
                username: admin
                password: admin
      bindings: # 服务的整合处理
        input: # 这个名字是一个通道的名称
          destination: studyExchange # 表示要使用的Exchange名称定义
          content-type: application/json # 设置消息类型，本次为json，文本则设置“text/plain”
          binder: defaultRabbit #设置要绑定的消息服务的具体设置
eureka:
  client: # 客户端进行Eureka注册的配置
    service-url:
      defaultZone: http://eureka7001.com:7001/eureka,http://eureka7002.com:7002/eureka,http://eureka7004.com:7004/eureka  # 集群版
  instance:
    lease-renewal-interval-in-seconds: 2 # 设置心跳的时间间隔（默认是30秒）
    lease-expiration-duration-in-seconds: 5 # 如果现在超过了5秒的间隔（默认是90秒）
    instance-id: receive-8802.com  # 在信息列表时显示主机名称
    prefer-ip-address: true     # 访问的路径变为IP地址

@SpringBootApplication
public class StreamMQMain8802
{
    public static void main(String[] args)
    {
        SpringApplication.run(StreamMQMain8802.class,args);
    }
}

@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("消费者1号,------------>接收到的消息: "+message.getPayload()+"\t port: "+serverPort);
    }
}