带图片的描述地址
问题:执行 mvn clean package 打包多模块项目,打包出来的 jar 只有module-a 这一个模块。
[INFO] ------------------------------------------------------- [INFO] T E S T S [INFO] ------------------------------------------------------- [INFO] Running com.learnjava.AppTest [INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.102 s - in com.learnjava.AppTest [INFO] [INFO] Results: [INFO] [INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0 [INFO] [INFO] [INFO] --- maven-jar-plugin:3.0.2:jar (default-jar) @ moudle-a --- [INFO] Building jar: C:\software\workspace\multiple\moudle-a\target\moudle-a-1.0-SNAPSHOT.jar [INFO] ------------------------------------------------------------------------ [INFO] Reactor Summary for build 1.0-SNAPSHOT: [INFO] [INFO] build .............................................. SUCCESS [ 0.377 s] [INFO] parent ............................................. SUCCESS [ 0.248 s] [INFO] module-b ........................................... SUCCESS [ 4.362 s] [INFO] moudle-a ........................................... SUCCESS [ 2.438 s] [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 7.769 s [INFO] Finished at: 2020-09-07T10:50:44+08:00 [INFO] ------------------------------------------------------------------------
根目录multiple的pom.xml
<?xml version="1.0" encoding="UTF-8" standalone="no"?> <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/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>mutiple-project</groupId> <artifactId>multiple</artifactId> <version>1.0-SNAPSHOT</version> <packaging>pom</packaging> <name>build</name> <url>http://maven.apache.org</url> <modules> <module>parent</module> <module>moudle-a</module> <module>module-b</module> </modules> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>3.8.1</version> <scope>test</scope> </dependency> </dependencies> </project>
module-a 模块依赖于 module-b
<?xml version="1.0" encoding="UTF-8"?> <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>mutiple-project</groupId> <artifactId>parent</artifactId> <version>1.0-SNAPSHOT</version> <relativePath>../parent/pom.xml</relativePath> </parent> <artifactId>moudle-a</artifactId> <version>1.0-SNAPSHOT</version> <name>moudle-a</name> <packaging>jar</packaging> <!-- FIXME change it to the project's website --> <url>http://www.example.com</url> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <maven.compiler.source>14</maven.compiler.source> <maven.compiler.target>14</maven.compiler.target> </properties> <dependencies> <dependency> <groupId>mutiple-project</groupId> <artifactId>module-b</artifactId> <version>1.0-SNAPSHOT</version> </dependency> </dependencies> <build> <pluginManagement><!-- 插件配置同 paretn 模块 --> </pluginManagement> </build> </project>
module-b
<?xml version="1.0" encoding="UTF-8"?> <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> <artifactId>parent</artifactId> <groupId>mutiple-project</groupId> <version>1.0-SNAPSHOT</version> <relativePath>../parent/pom.xml</relativePath> </parent> <artifactId>module-b</artifactId> <version>1.0-SNAPSHOT</version> <packaging>jar</packaging> <name>module-b</name> <!-- FIXME change it to the project's website --> <url>http://www.example.com</url> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <maven.compiler.source>14</maven.compiler.source> <maven.compiler.target>14</maven.compiler.target> </properties> <dependencies> </dependencies> <build> <pluginManagement><!-- 插件配置同 paretn 模块 --> </pluginManagement> </build> </project>
parent 模块
<?xml version="1.0" encoding="UTF-8"?> <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> <artifactId>multiple</artifactId> <groupId>mutiple-project</groupId> <version>1.0-SNAPSHOT</version> </parent> <artifactId>parent</artifactId> <groupId>mutiple-project</groupId> <version>1.0-SNAPSHOT</version> <packaging>pom</packaging> <name>parent</name> <!-- FIXME change it to the project's website --> <url>http://www.example.com</url> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <maven.compiler.source>14</maven.compiler.source> <maven.compiler.target>14</maven.compiler.target> </properties> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.11</version> <scope>test</scope> </dependency> </dependencies> <build> <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) --> <plugins> <!-- clean lifecycle, see https://maven.apache.org/ref/current/maven-core/lifecycles.html#clean_Lifecycle --> <plugin> <artifactId>maven-clean-plugin</artifactId> <version>3.1.0</version> </plugin> <!-- default lifecycle, jar packaging: see https://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_jar_packaging --> <plugin> <artifactId>maven-resources-plugin</artifactId> <version>3.0.2</version> </plugin> <plugin> <artifactId>maven-compiler-plugin</artifactId> <version>3.8.0</version> </plugin> <plugin> <artifactId>maven-surefire-plugin</artifactId> <version>2.22.1</version> </plugin> <plugin> <artifactId>maven-jar-plugin</artifactId> <version>3.0.2</version> </plugin> <plugin> <artifactId>maven-install-plugin</artifactId> <version>2.5.2</version> </plugin> <plugin> <artifactId>maven-deploy-plugin</artifactId> <version>2.8.2</version> </plugin> <!-- site lifecycle, see https://maven.apache.org/ref/current/maven-core/lifecycles.html#site_Lifecycle --> <plugin> <artifactId>maven-site-plugin</artifactId> <version>3.7.1</version> </plugin> <plugin> <artifactId>maven-project-info-reports-plugin</artifactId> <version>3.0.0</version> </plugin> </plugins> </pluginManagement> </build> </project>
a.jar在module-a目录下,b.jar在module-b目录下,有几个module就打出几个jar
maven的多模块只是批量管理或操作用的,聚合工程或传递依赖用的,不是用来为一个项目打一个jar包的,
一个工程下包括多个模块,实际上一个模块才对应一个jar包
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用户5273497715
带图片的描述地址
问题:执行 mvn clean package 打包多模块项目,打包出来的 jar 只有module-a 这一个模块。
根目录multiple的pom.xml
module-a 模块依赖于 module-b
module-b
parent 模块