在pom.xml定义properties标签

<properties>

<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

<spring.version>3.2.9</spring.version>

<developer.organization><![CDATA[xy公司]]></developer.organization>

</properties>

引用定义的标签

<dependency>

<groupId>org.springframework</groupId>

<artifactId>spring-core</artifactId>

<version>${spring.version}</version>

</dependency>

<dependency>

<groupId>org.springframework</groupId>

<artifactId>spring-aop</artifactId>

<version>${spring.version}</version>

</dependency>