聚合模塊為項(xiàng)目目錄的最頂層,其他模塊作為聚合模塊子目錄而存在。目的是為一次構(gòu)建多個(gè)項(xiàng)目模塊。
創(chuàng)新互聯(lián)建站自2013年起,是專業(yè)互聯(lián)網(wǎng)技術(shù)服務(wù)公司,擁有項(xiàng)目成都做網(wǎng)站、網(wǎng)站建設(shè)、外貿(mào)營(yíng)銷網(wǎng)站建設(shè)網(wǎng)站策劃,項(xiàng)目實(shí)施與項(xiàng)目整合能力。我們以讓每一個(gè)夢(mèng)想脫穎而出為使命,1280元池州做網(wǎng)站,已為上家服務(wù),為池州各地企業(yè)和個(gè)人服務(wù),聯(lián)系電話:18982081108我自己化了一個(gè)關(guān)于項(xiàng)目的關(guān)系:
maven-aggregate作為maven pom項(xiàng)目,需要定義pom.xml的 packaging 為 pom類型
我們還是參照 maven的依賴特性,沖突解決(五) 創(chuàng)建 maven-01 maven-02 maven-03工程,通過(guò)maven-aggregate pom工程 對(duì)這三個(gè)maven項(xiàng)目做一個(gè)聚合,配置如下:
Xml代碼 下載
<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.sohu.train</groupId>
<artifactId>maven-aggregate</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>pom</packaging>
<!-- 子模塊 指定項(xiàng)目pom的位置 ..代表上一級(jí)目錄-->
<modules>
<module>../maven-01</module>
<module>../maven-02</module>
<module>..maven-03</module>
</modules>
</project>
對(duì) maven-aggregate執(zhí)行下mvn clean compile
Xml代碼 下載
[INFO] Scanning for projects...
[WARNING]
[WARNING] Some problems were encountered while building the effective model for com.sohu.train:maven-02:jar:1.0-SNAPSHORT
[WARNING] 'dependencies.dependency.exclusions.exclusion.groupId' for junit:junit:jar is missing. @ line 38, column 16
[WARNING] 'dependencies.dependency.exclusions.exclusion.artifactId' for junit:junit:jar is missing. @ line 38, column 16
[WARNING]
[WARNING] It is highly recommended to fix these problems because they threaten the stability of your build.
[WARNING]
[WARNING] For this reason, future Maven versions might no longer support building such malformed projects.
[WARNING]
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order: //構(gòu)建 maven 的反應(yīng)堆,執(zhí)行清理 編譯的順序
[INFO]
[INFO] maven-02
[INFO] maven-01
[INFO] maven-03
[INFO] maven-aggregate
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building maven-02 1.0-SNAPSHORT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ maven-02 ---
[INFO] Deleting E:\train\test\maven-02\target
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ maven-02 ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory E:\train\test\maven-02\src\main\resources
[INFO]
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ maven-02 ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 1 source file to E:\train\test\maven-02\target\classes
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building maven-01 1.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ maven-01 ---
[INFO] Deleting E:\train\test\maven-01\target
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ maven-01 ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 1 resource
[INFO]
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ maven-01 ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 1 source file to E:\train\test\maven-01\target\classes
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building maven-03 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ maven-03 ---
[INFO] Deleting E:\train\test\maven-03\target
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ maven-03 ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory E:\train\test\maven-03\src\main\resources
[INFO]
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ maven-03 ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 1 source file to E:\train\test\maven-03\target\classes
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building maven-aggregate 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ maven-aggregate ---
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary: // 可以看到 對(duì)3個(gè)maven項(xiàng)目 一起執(zhí)行編譯
[INFO]
[INFO] maven-02 ........................................... SUCCESS [ 1.874 s]
[INFO] maven-01 ........................................... SUCCESS [ 0.108 s]
[INFO] maven-03 ........................................... SUCCESS [ 0.158 s]
[INFO] maven-aggregate .................................... SUCCESS [ 0.002 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 2.263 s
[INFO] Finished at: 2016-01-15T14:35:41+08:00
[INFO] Final Memory: 14M/227M
[INFO] ------------------------------------------------------------------------
這樣我們就完成 maven對(duì)子模塊的聚合 ,像我們平常用的dubbo jetty tomcat spring hibernate等等 都是按模塊 去開發(fā),一次編譯 各個(gè)模塊都能緊密聯(lián)系在一起了。我們?cè)谄匠i_發(fā)項(xiàng)目也需要適當(dāng)?shù)娜シ帜K開發(fā),
這是dubbo的子模塊,分了很多子模塊:下載
pom繼承是為了抽出重復(fù)配置,通常配置在父模塊中,為子模塊提供使用,這樣可以做到“一處聲明,處處使用”。
下載
1.常用的pom被繼承的元素
Xml代碼 下載
groupId :項(xiàng)目組 ID ,項(xiàng)目坐標(biāo)的核心元素;
version :項(xiàng)目版本,項(xiàng)目坐標(biāo)的核心元素;
description :項(xiàng)目的描述信息;
properties :自定義的 Maven 屬性;
dependencies :項(xiàng)目的依賴配置;
dependencyManagement :醒目的依賴管理配置;
repositories :項(xiàng)目的倉(cāng)庫(kù)配置;
build :包括項(xiàng)目的源碼目錄配置、輸出目錄配置、插件配置、插件管理配置等;
1.配置maven-aggregate pom文件:
Xml代碼 下載
<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.sohu.train</groupId>
<artifactId>maven-aggregate</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>pom</packaging>
<!-- 子模塊 -->
<modules>
<module>../maven-01</module>
<module>../maven-02</module>
<module>../maven-03</module>
</modules>
<!-- 統(tǒng)一配置構(gòu)件的版本號(hào) -->
<properties>
<junit.version>3.8.1</junit.version>
</properties>
<!-- 依賴管理 -->
<dependencyManagement>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
</dependencyManagement>
</project>
maven-01,maven-02,maven-03 需要配置parent ,dependencies,同時(shí)對(duì)junit做一個(gè)依賴,3個(gè)工程的pom配置如下:
Xml代碼 下載
<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>
<!-- 指定父pom的坐標(biāo)及pom位置 -->
<parent>
<groupId>com.sohu.train</groupId>
<artifactId>maven-aggregate</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../maven-aggregate/pom.xml</relativePath>
</parent>
<artifactId>maven-03</artifactId>
<packaging>jar</packaging>
<!-- 添加對(duì)junit依賴,這樣公用配置只需要在maven-aggregate中去配置 -->
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
</dependency>
</dependencies>
</project>
這樣就完成pom的繼承,講公用的jar一次配置,就可以實(shí)現(xiàn)多處引用了。
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分享標(biāo)題:maven的聚合模塊和pom繼承使用-創(chuàng)新互聯(lián)
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