maven依賴：

        <!-- dubbo -->
		<dependency>
		  <groupId>com.alibaba</groupId>
		  <artifactId>dubbo</artifactId>
		  <version>2.5.3</version>
		  <exclusions>
			<exclusion>
			<artifactId>spring</artifactId>
			<groupId>org.springframework</groupId><!-- 解決和spring衝突 -->
			</exclusion>
		 </exclusions>
		</dependency>
		<dependency>
		  <groupId>org.apache.zookeeper</groupId>
		  <artifactId>zookeeper</artifactId>
		  <version>3.4.5</version>
		</dependency>
		<dependency>
		  <groupId>com.101tec</groupId>
		  <artifactId>zkclient</artifactId>
		  <version>0.4</version>
		</dependency>
 

web.xml配置：

    <servlet>
        <servlet-name>dubbo</servlet-name>
        <servlet-class>
            com.alibaba.dubbo.remoting.http.servlet.DispatcherServlet
        </servlet-class>
     </servlet>
    <servlet-mapping>
        <servlet-name>dubbo</servlet-name>
        <url-pattern>/*</url-pattern>
    </servlet-mapping>
 

服務提供方dubbo-provider.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: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">

<!-- 提供方應用資訊，用於計算依賴關係 -->
 <dubbo:application name="dubbo-service" />

<!-- 使用zookeeper註冊中心暴露服務地址 -->
 <dubbo:registry address="zookeeper://127.0.0.1:2181" />

 <!-- 用dubbo協議在20880埠暴露服務 -->
   <dubbo:protocol name="dubbo" port="20880" />

<!-- 宣告需要暴露的服務介面 -->
 <dubbo:service interface="com.service.IUserService" ref="userService">
</beans>
 

服務消費方dubbo-consumer.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: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">
    <!-- 消費方應用資訊，用於計算依賴關係 -->
    <dubbo:application name="dubbo-service-consumer" />

    <!-- 使用zookeeper註冊中心暴露服務地址 -->
    <dubbo:registry address="zookeeper://127.0.0.1:2181" />

    <!-- 宣告需要暴露的服務介面 -->
    <dubbo:reference id="userService" interface="com.service.IUserService"/>
</beans>