<!-- Dubbo Spring Boot Starter -->
<dependency>
    <groupId>org.apache.dubbo</groupId>
    <artifactId>dubbo-spring-boot-starter</artifactId>
    <version>2.7.3</version>
</dependency>

<!--zkclient-->
<dependency>
    <groupId>com.github.sgroschupf</groupId>
    <artifactId>zkclient</artifactId>
    <version>0.1</version>
</dependency>

<!-- 引入zookeeper -->
<dependency>
    <groupId>org.apache.curator</groupId>
    <artifactId>curator-framework</artifactId>
    <version>2.12.0</version>
</dependency>
<dependency>
    <groupId>org.apache.curator</groupId>
    <artifactId>curator-recipes</artifactId>
    <version>2.12.0</version>
</dependency>
<dependency>
    <groupId>org.apache.zookeeper</groupId>
    <artifactId>zookeeper</artifactId>
    <version>3.4.14</version>
    <!--排除这个slf4j-log4j12-->
    <exclusions>
        <exclusion>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
        </exclusion>
    </exclusions>
</dependency>

public interface TickerService {

    String getTicket();
}

import org.apache.dubbo.config.annotation.Service;
import org.springframework.stereotype.Component;

@Service  //这个是dubbo的service注解不是spring的，加了这个注解在项目启动后就自动注册到注册中心zookeeper中
@Component //这个在spring中注册，由spring管理的组件，不用Service是因为为了避免与dubbo的service冲突（而忘了import）
public class TickerServiceImpl implements TickerService {


    @Override
    public String getTicket() {
        return "getTicket success!";
    }
}

server.port=8001

#当前应用名字
dubbo.application.name=provider-server
#注册中心地址
dubbo.registry.address=zookeeper://127.0.0.1:2181
#扫描指定包下服务
dubbo.scan.base-packages=ustc.wzh.service

import org.apache.dubbo.config.annotation.Reference;
import org.springframework.stereotype.Service;

@Service  //spring容器管理
public class UserService {

    //拿到远程的provider-server提供的服务
    @Reference  //dubbo的注解用于引用服务，引用服务方式有两种：1.Pom坐标，2.需要定义路径相同的接口名
    TickerService tickerService;

    public void buyTicket(){

        String ticket = tickerService.getTicket();
        System.out.println("在注册中心拿到："+ticket);
    }
}

import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import ustc.wzh.service.UserService;

@SpringBootTest
class ConsumerServerApplicationTests {

    @Autowired
    UserService userService;

    @Test
    void contextLoads() throws InterruptedException {
        
        while (true){

            Thread.sleep(1000);
            userService.buyTicket();
        }
    }
}

server.port=8002

#当前应用名字
dubbo.application.name=consumer-server
#注册中心地址
dubbo.registry.address=zookeeper://127.0.0.1:2181