Spring boot 整合dubbo+zookeeper
2018-03-26 16:21
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一、下载zookeeper服务注册管理器
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![](https://www.apache.org/img/asf_logo.png)
下载ZooKeeper地址:http://www.apache.org/dyn/closer.cgi/zookeeper
liuxin@KK-MINI ~ cd zookeeper-3.5.2-alpha\ 2 liuxin@KK-MINI ~/zookeeper-3.5.2-alpha 2 ls CHANGES.txt README_packagi
ng.txt contrib ivysettings.xml src zookeeper-3.5.2-alpha.jar.md5 LICENSE.txt bin dist-maven lib zookeeper zookeeper-3.5.2-alpha.jar.sha1 NOTICE.txt build.xml docs logs zookeeper-3.5.2-alpha.jar README.txt conf ivy.xml recipes zookeeper-3.5.2-alpha.jar.asc liuxin@KK-MINI ~/zookeeper-3.5.2-alpha 2 cd conf liuxin@KK-MINI ~/zookeeper-3.5.2-alpha 2/conf ls configuration.xsl log4j.properties zoo.cfg zoo_sample.cfg liuxin@KK-MINI ~/zookeeper-3.5.2-alpha 2/conf 在conf中创建输入zoo.cfg
tickTime=2000 #这个地址自定义 dataDir=/javaee/zookeeper/data #这个地址自定义 dataLogDir=/javaee/zookeeper/log clientPort=2181然后在bin目录中./zkServer.sh start启动
二、创建生产者
在pom文件中引入dubbo<dependency> <groupId>io.dubbo.springboot</groupId> <artifactId>spring-boot-starter-dubbo</artifactId> <version>${dubbo-spring-boot}</version> </dependency>application.properties
## Dubbo 服务提供者配置 spring.dubbo.application.name=provider spring.dubbo.registry.address=zookeeper://127.0.0.1:2181
spring.dubbo.protocol.name=dubbo spring.dubbo.protocol.port=20880 spring.dubbo.scan=org.spring.springboot.dubbo server.port=8082向原来创建SpringBoot项目中一样,不过注意一个注解@Service使用dubbo提供的
import com.alibaba.dubbo.config.annotation.Service; @Service(version = "1.0.1") public class UserDubboServiceImpl implements UserDubboService { @Override public User getUserByName(String name) { return new User(name,"shanghai"); } }当项目启动的时候,会把这个服务注册到zookeeper中。等到消费
三、创建消费者
pom文件中和上面引入的一样。application.properties
## 避免和 server 工程端口冲突 server.port=8081 ## Dubbo 服务消费者配置 spring.dubbo.application.name=consumer spring.dubbo.registry.address=zookeeper://127.0.0.1:2181 spring.dubbo.scan=org.spring.springboot.dubbo创建在服务提供中一样的JavaBean对象
User和
UserDubboService
使用
@Reference(version = "1.0.1")注解引入服务
@Component public class UserDubboConsumerService { @Reference(version = "1.0.1") UserDubboService userDubboService; public void getUserByName(){ System.out.println(userDubboService.getUserByName("周杰伦"));
} }当项目其中的时候,会想zookeeper中查询服务生产者地址,然后直接,调用生产者服务中的服务。zookeeper是提供软负载均衡。比nginx中需要手动配置服务地址,来看,好多了。
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