maven的聚合与继承

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">[/code] 
<modelVersion>4.0.0</modelVersion>

<groupId>tz.itat.user</groupId>

<artifactId>user-code</artifactId>

<version>0.0.1-SNAPSHOT</version>

<packaging>pom</packaging>

<url>http://maven.apache.org</url>

<!-- 导入了三个模块,把这三个模块聚合在一起了 -->

<modules>

<!-- 聚合是模块的位置 -->

<module>user-core</module>

<module>user-log</module>

<module>user-service</module>

</modules>

<!-- 定义常量 -->

<properties>

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

<spring.vaesion>3.1.1</spring.vaesion>

</properties>

<!-- 依赖管理的类,子类不会自动去依赖继承他 -->

<dependencyManagement>

<dependencies>

<dependency>

<groupId>org.hibernate</groupId>

<artifactId>hibernate-entitymanager</artifactId>

<version>4.1.0.Final</version>

</dependency>

<dependency>

<groupId>mysql</groupId>

<artifactId>mysql-connector-java</artifactId>

<version>5.1.24</version>

</dependency>

<dependency>

<groupId>log4j</groupId>

<artifactId>log4j</artifactId>

<version>1.2.17</version>

</dependency>

<dependency>

<groupId>commons-logging</groupId>

<artifactId>commons-logging</artifactId>

<version>1.1.1</version>

</dependency>

</dependencies>

</dependencyManagement>

</project>

[/code]

继承父类
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">[/code] 
<modelVersion>4.0.0</modelVersion>

<parent>

	<groupId>tz.itat.user</groupId>

<artifactId>user-parent</artifactId>

	<version>0.0.1-SNAPSHOT</version>

<relativePath>../user-parent/pom.xml</relativePath>

</parent>

<artifactId>user-code</artifactId>

<packaging>jar</packaging>

<name>user-code</name>


<dependencies>

<!--版本就是引用父类的-->
<dependency>

<groupId>org.hibernate</groupId>

<artifactId>hibernate-entitymanager</artifactId>

</dependency>

<dependency>

<groupId>mysql</groupId>

<artifactId>mysql-connector-java</artifactId>

</dependency>

<dependency>

<groupId>log4j</groupId>

<artifactId>log4j</artifactId>

</dependency>

</dependencies>

</project>

[/code]


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