1、docker安装zookeeper
sudo docker pull zookeeper:3.4.11
sudo docker run --name zoopker01 -p 2181:2181 --restart always -d zookeeper:3.4.11
sudo docker ps -a
2、新建一个空项目,再分别新建两个module,一个是provider-ticket,一个是consumer-user
建好之后建立如下目录及文件:
(1) 首先分别将相关依赖导入到provider-ticket和consumer-user的pom.xml中
<!--引入dubbo-->
<dependency>
<groupId>com.alibaba.boot</groupId>
<artifactId>dubbo-spring-boot-starter</artifactId>
<version>0.1.0</version>
</dependency>
<!--引入zookeeper-->
<dependency>
<groupId>com.github.sgroschupf</groupId>
<artifactId>zkclient</artifactId>
<version>0.1</version>
</dependency>
(2)配置相关信息
在provider-ticker中application.properties
#提供者名称
dubbo.application.name=provider-ticket
#注册中心地址
dubbo.registry.address=zookeeper://192.168.124.22:2181
#将哪个包的服务发送出去
dubbo.scan.base-packages=com.gong.com.gong.providerticket.service
在consumer-user中application.properties
dubbo.application.name=consumer-user
dubbo.registry.address=zookeeper://192.168.124.22:2181
(3)在provider-ticker中的com.gong.providerticjet下的service.TicketService
package com.gong.providerticket.service;
public interface TicketService {
public String getTicket();
}
service.TicketServiceImpl
package com.gong.providerticket.service;
import com.alibaba.dubbo.config.annotation.Service;
import org.springframework.stereotype.Component;
@Component
@Service
public class TicketServieImpl implements TicketService {
@Override
public String getTicket() {
return "囧妈";
}
}
这里的@Service注解注意是dubbo包里面的。
在provider-ticket主入口加上EnableDubbo注解。
然后我们将com.gong.providerticket.service.TicketService拷贝一份到consumer-user下,注意包名要对应。
接着就可以进行测试了:
UserService.java
package com.gong.consumeruser.service;
import com.alibaba.dubbo.config.annotation.Reference;
import com.gong.providerticket.service.TicketService;
import org.springframework.stereotype.Service;
@Service
public class UserService {
@Reference
TicketService ticketService;
public void hello(){
String ticket = ticketService.getTicket();
System.out.println("买到票了:"+ticket);
}
}
这里的@Service是springboot中的。
最后是在ConsumerUserApplicationTests.java
package com.gong.consumeruser;
import com.gong.consumeruser.service.UserService;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
@RunWith(SpringRunner.class)
@SpringBootTest
public class ConsumerUserApplicationTests {
@Autowired
UserService userService;
@Test
public void contextLoads() {
userService.hello();
}
}
3、进行测试
首先运行provider-ticket项目。然后再运行ConsumerUserApplicationTests.java中的contextLoads方法:
在consumer-user中成功调用了provider-ticket中的TicketServiceImpl.java中的方法。