parent pom：全局定义项目模型，子pom继承父pom的配置
主要配置：
定义项目基本信息:比如license
<licenses>
<license>
<name>The Apache Software License, Version 2.0</name>
<distribution>repo</distribution>
</license>
</licenses>
定义公司统一仓库位置：比如jardeploy位置
<!-- 发布位置配置 -->
<distributionManagement>
<repository>
<id>nexus-releases</id>
<name>Internal Release Repository</name>
</repository>
<snapshotRepository>
<id>nexus-snapshots</id>
<name>Internal Snapshot Repository</name>
</snapshotRepository>
</distributionManagement>
定义全局插件：比如built方式
<plugins>
<plugin>
<inherited>true</inherited>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.6</source>
<target>1.6</target>
<optimize>true</optimize>
<debug>true</debug>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-resources-plugin</artifactId>
<configuration>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
<!-- 发布源代码jar -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-source-plugin</artifactId>
<version>2.1.2</version>
<executions>
<execution>
<id>attach-sources</id>
<phase>deploy</phase>
</execution>
</executions>
</plugin>
<!-- 发布javadoc -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-javadoc-plugin</artifactId>
<version>2.8.1</version>
<executions>
<execution>
<id>attach-javadocs</id>
<goals>
<goal>jar</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
统一管理jar版本：子项目在引入jar时不需要加入version 和scope属性：例如
<!--管理jar包版本-->
<dependencyManagement>
<dependencies>
<dependency>
<groupId>com.peaceful</groupId>
<artifactId>nuggets-peaceful-utils</artifactId>
<version>1.0-SNAPSHOT</version>
</dependency>
</dependencies>
</dependencyManagement>
定义公司统一jar包依赖：这样所有通过配置parent的项目都可以把下面jar依赖到自己项目里，例如
<dependencies>
<!-- JUNIT DEPENDENCY FOR TESTING -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
总结parent pom主要是用来全局描述项目模型
maven parent pom
原文：http://blog.csdn.net/wangjuntytl/article/details/40297871
