一、创建两个项目一个购票服务(生产者)一个买票服务(消费者)
二、引入两个项目都需要的Jar
<!--引入dubbo-->
<dependency>
<groupId>com.alibaba.boot</groupId>
<artifactId>dubbo-spring-boot-starter</artifactId>
<version>0.1.0</version>
</dependency>
<!--引入zookeeper的客户端工具-->
<!-- https://mvnrepository.com/artifact/com.github.sgroschupf/zkclient -->
<dependency>
<groupId>com.github.sgroschupf</groupId>
<artifactId>zkclient</artifactId>
<version>0.1</version>
</dependency>
三、编写生产者相关配置和案例代码
1)、Dubbo和Zookeeper全局配置基本配置
dubbo.application.name=provider-ticket
dubbo.registry.address=zookeeper://192.168.43.118:2181
dubbo.scan.base-packages=com.zhq.ticket.service
2)、编写服务相关代码
@Component
@Service//将服务发布出去
public class TicketServiceImpl implements TicketService {
@Override
public String getTicket() {
return "《绿皮书》";
}
}
注意:@Service是引用com.alibaba.dubbo.config.annotation.Service
3)、启动购票服务(运行项目)
四、编写消费者相关配置和代码
1)、Dubbo和Zookeeper全局配置基本配置
dubbo.application.name=consumer-user
dubbo.registry.address=zookeeper://192.168.43.118:2181
2)、编写服务相关代码
@Service
public class UserServiceImpl {
@Reference//远程引用服务
TicketService ticketService;
public void bugTicket(){
String ticket = ticketService.getTicket();
System.out.println("买到票:"+ticket);
}
}
注意:消费者需要跟生产者有一样的接口目录
3)、编写单元测试
@Autowired
UserServiceImpl userService;
@Test
public void contextLoads() {
userService.bugTicket();
}
运行结果: