helloworld/java-server/src/main/resources/META-INF/spring/dubbo.provider.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
-->
<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-2.5.xsd
	http://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsd">

    <!-- 应用名 -->
    <dubbo:application name="user-info-server"/>
    <!-- 连接到哪个本地注册中心 -->
    <dubbo:registry id="demoZk" address="zookeeper://127.0.0.1:2181"/>
    <!-- 用dubbo协议在20880端口暴露服务 -->
    <!-- dubbo:protocol host="127.0.0.1" / -->
    <dubbo:protocol id="dubbo" name="dubbo" host="127.0.0.1" port="20010"/>
    <!-- 声明需要暴露的服务接口 -->
    <dubbo:service id="aaa" registry="demoZk" timeout="3000" interface="org.apache.dubbo.UserProvider"
                   ref="demoService"/>

    <bean id="demoService" class="org.apache.dubbo.UserProviderImpl"/>

</beans>