Dubbo將所有的服務都實現了一個EchoService，可以在Java程式中進行呼叫，測試服務是否正常。

spring-all.xml：

<?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:context="http://www.springframework.org/schema/context"
	xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
	xsi:schemaLocation="	
	  http://www.springframework.org/schema/beans 
	  http://www.springframework.org/schema/beans/spring-beans-3.0.xsd	  
	  http://www.springframework.org/schema/context
      http://www.springframework.org/schema/context/spring-context-3.0.xsd 	  
	  http://www.springframework.org/schema/aop 
	  http://www.springframework.org/schema/aop/spring-aop-3.0.xsd	  
	  http://www.springframework.org/schema/tx
      http://www.springframework.org/schema/tx/spring-tx-3.0.xsd        
      ">

	<!-- 注意：使用阿里巴巴官方推薦的dubbo打包方式，必須將spring載入的檔案放到META-INF/spring/目錄下 -->
	<import resource="classpath:dubbo/*.xml"/>
</beans>
 

<?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 ">
	    
	<dubbo:application name="hello-world-app" />
	<dubbo:registry id="hi-registry" address="zookeeper://10.144.4.17:2181" protocol="dubbo"/>
	<dubbo:reference id="hiService" registry="hi-registry"
		interface="com.hi.service.IHiService" group="hi"></dubbo:reference>
</beans>
 

public class Main10 {
	public static void main(final String[] args) {

		ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(
				"classpath:META-INF/spring/spring-all.xml");
		
		IHiService hiService = (IHiService) context.getBean("hiService");
		EchoService echoService = (EchoService)hiService;<code>// </code><code>強制轉型為EchoService</code>
		String status = (String)echoService.$echo("OK");<code>// </code><code>回聲測試可用性</code>
		System.out.println("================="+status);
	}
}