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锁定老帖子 主题：maven_聚合和继承
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发表时间：2012-04-14
聚合主要是为了解决多个模块一起构建。也就是说在上面的用户项目中，多个模块统一在一个额外的模块来构建整个项目的所有模块。
继承主要是为了解决多个模块重复配置的问题。 下面来看看怎样来修改用户小项目 首选建一个额外模块user-parent，这个模块主要用一个pom.xml文件即可。配置如下：
<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">
<modelVersion>4.0.0</modelVersion>
<groupId>com.naxsu.user</groupId>
<artifactId>user-parent</artifactId>
<version>0.0.1-SNAPSHOT</version>
<!-- packaging的类型为pom -->
<packaging>pom</packaging>
<!-- module的值是一个以当前POM为主目录的相对路径 -->
<modules>
<module>../user-core</module>
<module>../user-dao</module>
<module>../user-log</module>
<module>../user-service</module>
</modules>
<url>http://maven.apache.org</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<junit.version>4.10</junit.version>
</properties>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.naxsu.user</groupId>
<artifactId>user-core</artifactId>
<version>0.0.1-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>com.naxsu.user</groupId>
<artifactId>user-dao</artifactId>
<version>0.0.1-SNAPSHOT</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>com.naxsu.user</groupId>
<artifactId>user-log</artifactId>
<version>0.0.1-SNAPSHOT</version>
<type>jar</type>
<scope>compile</scope>
<exclusions>
<exclusion>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>3.6.10.Final</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.16</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.18</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.6.4</version>
</dependency>
<dependency>
<groupId>javassist</groupId>
<artifactId>javassist</artifactId>
<version>3.12.1.GA</version>
</dependency>
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.1.1</version>
</dependency>
</dependencies>
</dependencyManagement>
</project>
core模块的pom.xml文件修改如下：
<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">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.naxsu.user</groupId>
<artifactId>user-parent</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../user-parent/pom.xml</relativePath>
</parent>
<artifactId>user-core</artifactId>
<name>user-core</name>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
</dependency>
<dependency>
<groupId>javassist</groupId>
<artifactId>javassist</artifactId>
</dependency>
</dependencies>
</project>
log模块的pom.xml文件修改如下：
<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">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.naxsu.user</groupId>
<artifactId>user-parent</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../user-parent/pom.xml</relativePath>
</parent>
<artifactId>user-log</artifactId>
<name>user-log</name>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
</dependency>
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
</dependency>
</dependencies>
</project>
dao模块的pom.xml文件修改如下：
<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">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.naxsu.user</groupId>
<artifactId>user-parent</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../user-parent/pom.xml</relativePath>
</parent>
<artifactId>user-dao</artifactId>
<name>user-dao</name>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
</dependency>
<dependency>
<groupId>com.naxsu.user</groupId>
<artifactId>user-core</artifactId>
</dependency>
</dependencies>
</project>
service模块的pom.xml文件修改如下：
<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">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.naxsu.user</groupId>
<artifactId>user-parent</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../user-parent/pom.xml</relativePath>
</parent>
<artifactId>user-service</artifactId>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
</dependency>
<dependency>
<groupId>com.naxsu.user</groupId>
<artifactId>user-dao</artifactId>
</dependency>
<dependency>
<groupId>com.naxsu.user</groupId>
<artifactId>user-log</artifactId>
</dependency>
</dependencies>
</project>
本文链接：http://www.naxsu.com/maven_-ju-he-he-ji-cheng/ 声明：ITeye文章版权属于作者，受法律保护。没有作者书面许可不得转载。
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发表时间：2012-04-14
最近心情很不爽，找一下原因，原来我太在意别人的看法
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