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Maven

创建项目

xxx - 继承自testDep.PPP

<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>testDep.XXX</groupId>
	<artifactId>xxx</artifactId>
	<packaging>jar</packaging>

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

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
	</properties>
	
	<parent>
		<groupId>testDep.PPP</groupId>
		<artifactId>ppp</artifactId>
		<version>0.0.1-SNAPSHOT</version>
	</parent>

	<dependencies>
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
		</dependency>
	</dependencies>
</project>

yyy - 继承自testDep.PPP

<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>testDep.YYY</groupId>
	<artifactId>yyy</artifactId>
	<packaging>jar</packaging>

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

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

	<parent>
		<groupId>testDep.PPP</groupId>
		<artifactId>ppp</artifactId>
		<version>0.0.1-SNAPSHOT</version>
	</parent>

	<dependencies>
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
		</dependency>
	</dependencies>
</project>

zzz - 在zzz中聚合xxx和yyy

<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>testDep.ZZZ</groupId>
  <artifactId>zzz</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>pom</packaging>

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

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

  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>3.8.1</version>
      <scope>test</scope>
    </dependency>
  </dependencies>
  <modules>
    <module>../xxx</module>
    <module>../yyy</module>    
  </modules>  
</project>

ppp - 父项目

<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>testDep.PPP</groupId>
	<artifactId>ppp</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>pom</packaging>

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

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<junit.version>3.8.1</junit.version>
	</properties>
	<dependencyManagement>
		<dependencies>
			<dependency>
				<groupId>junit</groupId>
				<artifactId>junit</artifactId>
				<version>${junit.version}</version>
				<scope>test</scope>
			</dependency>
		</dependencies>
	</dependencyManagement>
</project>

验证

ppp执行clean install

[INFO] Scanning for projects...
[INFO] 
[INFO] ------------------------------------------------------------------------
[INFO] Building ppp 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ ppp ---
[INFO] Deleting D:Anliven-RunningenEclipseProjectsppp	arget
[INFO] 
[INFO] --- maven-install-plugin:2.4:install (default-install) @ ppp ---
[INFO] Installing D:Anliven-RunningenEclipseProjectsppppom.xml to D:DownLoadFilesapache-maven-repo	estDepPPPppp.0.1-SNAPSHOTppp-0.0.1-SNAPSHOT.pom
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 0.578 s
[INFO] Finished at: 2017-10-24T16:43:09+08:00
[INFO] Final Memory: 9M/309M
[INFO] ------------------------------------------------------------------------

xxx执行clean install

[INFO] Scanning for projects...
[INFO] 
[INFO] ------------------------------------------------------------------------
[INFO] Building xxx 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ xxx ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory D:Anliven-RunningenEclipseProjectsxxxsrcmain
esources
[INFO] 
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ xxx ---
[INFO] Nothing to compile - all classes are up to date
[INFO] 
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ xxx ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory D:Anliven-RunningenEclipseProjectsxxxsrc	est
esources
[INFO] 
[INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ xxx ---
[INFO] Nothing to compile - all classes are up to date
[INFO] 
[INFO] --- maven-surefire-plugin:2.12.4:test (default-test) @ xxx ---
[INFO] Surefire report directory: D:Anliven-RunningenEclipseProjectsxxx	argetsurefire-reports

-------------------------------------------------------
 T E S T S
-------------------------------------------------------
Running testDep.XXX.xxx.AppTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.004 sec

Results :

Tests run: 1, Failures: 0, Errors: 0, Skipped: 0

[INFO] 
[INFO] --- maven-jar-plugin:2.4:jar (default-jar) @ xxx ---
[INFO] 
[INFO] --- maven-install-plugin:2.4:install (default-install) @ xxx ---
[INFO] Installing D:Anliven-RunningenEclipseProjectsxxx	argetxxx-0.0.1-SNAPSHOT.jar to D:DownLoadFilesapache-maven-repo	estDepXXXxxx.0.1-SNAPSHOTxxx-0.0.1-SNAPSHOT.jar
[INFO] Installing D:Anliven-RunningenEclipseProjectsxxxpom.xml to D:DownLoadFilesapache-maven-repo	estDepXXXxxx.0.1-SNAPSHOTxxx-0.0.1-SNAPSHOT.pom
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 2.520 s
[INFO] Finished at: 2017-10-24T16:47:36+08:00
[INFO] Final Memory: 11M/245M
[INFO] ------------------------------------------------------------------------

zzz 执行clean install

从输出日志可以看到进行了3次构建，并安装到本地仓库中：
Building xxx 0.0.1-SNAPSHOT
Building yyy 0.0.1-SNAPSHOT
Building zzz 0.0.1-SNAPSHOT

[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order:
[INFO] 
[INFO] xxx
[INFO] yyy
[INFO] zzz
[INFO] 
[INFO] ------------------------------------------------------------------------
[INFO] Building xxx 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ xxx ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory D:Anliven-RunningenEclipseProjectsxxxsrcmain
esources
[INFO] 
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ xxx ---
[INFO] Nothing to compile - all classes are up to date
[INFO] 
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ xxx ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory D:Anliven-RunningenEclipseProjectsxxxsrc	est
esources
[INFO] 
[INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ xxx ---
[INFO] Nothing to compile - all classes are up to date
[INFO] 
[INFO] --- maven-surefire-plugin:2.12.4:test (default-test) @ xxx ---
[INFO] Surefire report directory: D:Anliven-RunningenEclipseProjectsxxx	argetsurefire-reports

-------------------------------------------------------
 T E S T S
-------------------------------------------------------
Running testDep.XXX.xxx.AppTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec

Results :

Tests run: 1, Failures: 0, Errors: 0, Skipped: 0

[INFO] 
[INFO] --- maven-jar-plugin:2.4:jar (default-jar) @ xxx ---
[INFO] Building jar: D:Anliven-RunningenEclipseProjectsxxx	argetxxx-0.0.1-SNAPSHOT.jar
[INFO] 
[INFO] --- maven-install-plugin:2.4:install (default-install) @ xxx ---
[INFO] Installing D:Anliven-RunningenEclipseProjectsxxx	argetxxx-0.0.1-SNAPSHOT.jar to D:DownLoadFilesapache-maven-repo	estDepXXXxxx.0.1-SNAPSHOTxxx-0.0.1-SNAPSHOT.jar
[INFO] Installing D:Anliven-RunningenEclipseProjectsxxxpom.xml to D:DownLoadFilesapache-maven-repo	estDepXXXxxx.0.1-SNAPSHOTxxx-0.0.1-SNAPSHOT.pom
[INFO] 
[INFO] ------------------------------------------------------------------------
[INFO] Building yyy 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ yyy ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory D:Anliven-RunningenEclipseProjectsyyysrcmain
esources
[INFO] 
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ yyy ---
[INFO] Nothing to compile - all classes are up to date
[INFO] 
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ yyy ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory D:Anliven-RunningenEclipseProjectsyyysrc	est
esources
[INFO] 
[INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ yyy ---
[INFO] Nothing to compile - all classes are up to date
[INFO] 
[INFO] --- maven-surefire-plugin:2.12.4:test (default-test) @ yyy ---
[INFO] Surefire report directory: D:Anliven-RunningenEclipseProjectsyyy	argetsurefire-reports

-------------------------------------------------------
 T E S T S
-------------------------------------------------------
Running testDep.YYY.yyy.AppTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.008 sec

Results :

Tests run: 1, Failures: 0, Errors: 0, Skipped: 0

[INFO] 
[INFO] --- maven-jar-plugin:2.4:jar (default-jar) @ yyy ---
[INFO] Building jar: D:Anliven-RunningenEclipseProjectsyyy	argetyyy-0.0.1-SNAPSHOT.jar
[INFO] 
[INFO] --- maven-install-plugin:2.4:install (default-install) @ yyy ---
[INFO] Installing D:Anliven-RunningenEclipseProjectsyyy	argetyyy-0.0.1-SNAPSHOT.jar to D:DownLoadFilesapache-maven-repo	estDepYYYyyy.0.1-SNAPSHOTyyy-0.0.1-SNAPSHOT.jar
[INFO] Installing D:Anliven-RunningenEclipseProjectsyyypom.xml to D:DownLoadFilesapache-maven-repo	estDepYYYyyy.0.1-SNAPSHOTyyy-0.0.1-SNAPSHOT.pom
[INFO] 
[INFO] ------------------------------------------------------------------------
[INFO] Building zzz 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-install-plugin:2.4:install (default-install) @ zzz ---
[INFO] Installing D:Anliven-RunningenEclipseProjectszzzpom.xml to D:DownLoadFilesapache-maven-repo	estDepZZzzz.0.1-SNAPSHOTzzz-0.0.1-SNAPSHOT.pom
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] 
[INFO] xxx ................................................ SUCCESS [  2.282 s]
[INFO] yyy ................................................ SUCCESS [  0.351 s]
[INFO] zzz ................................................ SUCCESS [  0.007 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 2.819 s
[INFO] Finished at: 2017-10-24T16:43:49+08:00
[INFO] Final Memory: 12M/309M
[INFO] ------------------------------------------------------------------------

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原文地址：https://www.cnblogs.com/anliven/p/7968069.html