Maven在模块化项目中的安装

<!-- pom.xml (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>com.example</groupId>
    <artifactId>parent-project</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>pom</packaging>

    <modules>
        <module>module1</module>
        <module>module2</module>
        <!-- 添加其他模块 -->
    </modules>

    <properties>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
    </properties>

    <dependencyManagement>
        <dependencies>
            <!-- 定义公共依赖 -->
            <dependency>
                <groupId>org.example</groupId>
                <artifactId>common-lib</artifactId>
                <version>1.0</version>
            </dependency>
        </dependencies>
    </dependencyManagement>
</project>

<!-- module1/pom.xml -->
<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.example</groupId>
        <artifactId>parent-project</artifactId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <artifactId>module1</artifactId>

    <dependencies>
        <dependency>
            <groupId>org.example</groupId>
            <artifactId>common-lib</artifactId>
        </dependency>
    </dependencies>
</project>

<!-- module2/pom.xml -->
<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.example</groupId>
        <artifactId>parent-project</artifactId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <artifactId>module2</artifactId>

    <dependencies>
        <dependency>
            <groupId>org.example</groupId>
            <artifactId>common-lib</artifactId>
        </dependency>
    </dependencies>
</project>

mvn clean install

<dependencies>
    <dependency>
        <groupId>com.example</groupId>
        <artifactId>module1</artifactId>
        <version>1.0-SNAPSHOT</version>
    </dependency>
    <dependency>
        <groupId>com.example</groupId>
        <artifactId>module2</artifactId>
        <version>1.0-SNAPSHOT</version>
    </dependency>
</dependencies>