（五）消费Dubbo服务

前面我们搞了发布Dubbo服务，发布的服务就是用来消费的，所以我们这里来调用服务，消费下；

创建maven项目 dubbo-demo-consumer

pom.xml配置下：

 <dependencies>
     <dependency>
         <groupId>com.alibaba</groupId>
         <artifactId>dubbo</artifactId>
         <version>2.6.0</version>
     </dependency>
     <dependency>
         <groupId>com.101tec</groupId>
         <artifactId>zkclient</artifactId>
         <version>0.10</version>
     </dependency>
     <dependency>
         <groupId>org.apache.curator</groupId>
         <artifactId>curator-framework</artifactId>
         <version>4.0.1</version>
     </dependency>
     <dependency>
         <groupId>com.alibaba</groupId>
         <artifactId>fastjson</artifactId>
         <version>1.2.46</version>
     </dependency>
     <dependency>
         <groupId>log4j</groupId>
         <artifactId>log4j</artifactId>
         <version>1.2.17</version>
     </dependency>
     <dependency>
         <groupId>org.slf4j</groupId>
         <artifactId>slf4j-api</artifactId>
         <version>1.7.25</version>
     </dependency>
     <dependency>
         <groupId>org.apache.commons</groupId>
         <artifactId>commons-lang3</artifactId>
         <version>3.4</version>
     </dependency>
     <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-all</artifactId>
         <version>4.0.35.Final</version>
     </dependency>
 </dependencies>

再搞个dubbo-demo-consumer.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
        xmlns="http://www.springframework.org/schema/beans"
        xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
        http://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsd">

     <!-- 消费方应用名，用于计算依赖关系，不是匹配条件，不要与提供方一样 -->
     <dubbo:application name="demo-consumer"/>

     <!-- 使用zookeeper注册中心暴露服务地址 -->
     <dubbo:registry address="zookeeper://127.0.0.1:2181"/>

     <!-- 生成远程服务代理，可以和本地bean一样使用demoProviderService  check属性，启动的时候是否检查 一般设置为false 启动的时候不检查-->
     <dubbo:reference id="demoProviderService" check="false" interface="com.wishwzp.service.DemoProviderService"/>

 </beans>

创建接口DemoProviderService.java

 package com.wishwzp.service;

 /**
  * 服务提供者接口
  * @author Administrator
  *
  */
 public interface DemoProviderService {

     public String sayHello(String name);
 }

搞个测试类ConsumerTest：

 import com.wishwzp.service.DemoProviderService;
 import org.springframework.context.support.ClassPathXmlApplicationContext;

 import java.io.IOException;

 public class ConsumerTest {

     public static void main(String[] args) {
         ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(new String[]{"dubbo-demo-consumer.xml"});
         context.start();
         DemoProviderService demoProviderService=(DemoProviderService) context.getBean("demoProviderService");
         String result=demoProviderService.sayHello("你好");
         System.out.println("远程调用结果："+result);
         try {
             System.in.read();
         } catch (IOException e) {
             // TODO Auto-generated catch block
             e.printStackTrace();
         }
         context.close();
     }
 }

运行结果 远程调用结果：服务001

说明远程调用成功；