package com.unj.dubbotest.provider;  
import java.util.List;  
public interface DemoService {  
    String sayHello(String name);  
    public List getUsers();  
}

package com.unj.dubbotest.provider;  
import java.util.ArrayList;  
import java.util.LinkedList;  
import java.util.List;  
public class DemoServiceImpl implements DemoService{  
     public String sayHello(String name) {  
            return "Hello " + name;  
     }  
     public List getUsers() {  
         List list = new ArrayList();  
         User u1 = new User();  
         u1.setName("jack");  
         u1.setAge(20);  
         u1.setSex("男");  
         User u2 = new User();  
         u2.setName("tom");  
         u2.setAge(21);  
         u2.setSex("女");  
         User u3 = new User();  
         u3.setName("rose");  
         u3.setAge(19);  
         u3.setSex("女");  
         list.add(u1);  
         list.add(u2);  
         list.add(u3);  
         return list;  
}

<?xml version="1.0" encoding="UTF-8"?>  
<beans xmlns="http://www.springframework.org/schema/beans"  
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
    xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"  
    xsi:schemaLocation="http://www.springframework.org/schema/beans  
        http://www.springframework.org/schema/beans/spring-beans.xsd  
        http://code.alibabatech.com/schema/dubbo  
        http://code.alibabatech.com/schema/dubbo/dubbo.xsd  
        ">  
    <!-- 具體的實現(xiàn)bean -->  
    <bean id="demoService" class="com.unj.dubbotest.provider.DemoServiceImpl" />  
    <!-- 提供方應(yīng)用信息，用于計算依賴關(guān)系 -->  
    <dubbo:application name="xixi_provider"  />  
    <!-- 使用multicast廣播注冊中心暴露服務(wù)地址   
    <dubbo:registry address="multicast://224.5.6.7:1234" />-->  
    <!-- 使用zookeeper注冊中心暴露服務(wù)地址 -->  
    <dubbo:registry address="zookeeper://127.0.0.1:2181" />   
    <!-- 用dubbo協(xié)議在20880端口暴露服務(wù) -->  
    <dubbo:protocol name="dubbo" port="20880" />  
    <!-- 聲明需要暴露的服務(wù)接口 -->  
    <dubbo:service interface="com.unj.dubbotest.provider.DemoService" ref="demoService" />  
</beans>

package com.unj.dubbotest.provider;  
import org.springframework.context.support.ClassPathXmlApplicationContext;  
public class Provider {  
    public static void main(String[] args) throws Exception {  
        ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(new String[] {"applicationContext.xml"});  
        context.start();  
        System.in.read(); // 為保證服務(wù)一直開著，利用輸入流的阻塞來模擬  
    }  
}

<?xml version="1.0" encoding="UTF-8"?>  
<beans xmlns="http://www.springframework.org/schema/beans"  
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"  
    xsi:schemaLocation="http://www.springframework.org/schema/beans  
        http://www.springframework.org/schema/beans/spring-beans.xsd  
        http://code.alibabatech.com/schema/dubbo  
        http://code.alibabatech.com/schema/dubbo/dubbo.xsd  
        ">  
    <!-- 消費(fèi)方應(yīng)用名，用于計算依賴關(guān)系，不是匹配條件，不要與提供方一樣 -->  
    <dubbo:application name="hehe_consumer" />  
    <!-- 使用zookeeper注冊中心暴露服務(wù)地址 -->  
    <!-- <dubbo:registry address="multicast://224.5.6.7:1234" /> -->  
    <dubbo:registry address="zookeeper://127.0.0.1:2181" />  
    <!-- 生成遠(yuǎn)程服務(wù)代理，可以像使用本地bean一樣使用demoService -->  
    <dubbo:reference id="demoService"  
        interface="com.unj.dubbotest.provider.DemoService" />  
</beans>

package com.alibaba.dubbo.demo.pp;  
import java.util.List;  
import org.springframework.context.support.ClassPathXmlApplicationContext;  
import com.unj.dubbotest.provider.DemoService;  
public class Consumer {  
    public static void main(String[] args) throws Exception {  
        ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(  
                new String[] { "applicationContext.xml" });  
        context.start();  
        DemoService demoService = (DemoService) context.getBean("demoService"); //  
        String hello = demoService.sayHello("tom"); // ?  
        System.out.println(hello); //   
        //   
        List list = demoService.getUsers();  
        if (list != null && list.size() > 0) {  
            for (int i = 0; i < list.size(); i++) {  
                System.out.println(list.get(i));  
            }  
        }  
        // System.out.println(demoService.hehe());  
        System.in.read();  
    }  
}