配置dubbo（分布式服务框架）

<properties>
    <dubbo.version>2.5.3</dubbo.version>
</properties>

<dependencyManagement>
    <dependencies>
        <!-- dubbo相关 -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>dubbo</artifactId>
            <version>${dubbo.version}</version>
        </dependency>
    </dependencies>
</dependencyManagement>