Maven 不仅仅是一款项目构建和依赖管理工具，它还能够聚合项目信息，促进项目团队间地交流。POM 中可以包含各种项目信息，例如：项目描述、SCM 地址、许可证信息，开发者信息等。用户可以使用 Maven 提供的 maven-site-plugin 插件让 Maven 生成一个 Web 站点， 以站点的形式发布以上信息。

以 secondMaven 项目为例，修改其 pom.xml 中的配置，添加该插件到项目中。

<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>net.biancheng.www</groupId>
    <artifactId>secondMaven</artifactId>
    <packaging>jar</packaging>
    <version>1.0-SNAPSHOT</version>
    <name>secondMaven</name>
    <url>http://maven.apache.org</url>

    <build>
        <plugins>
            <!--添加site 插件-->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-site-plugin</artifactId>
                <version>3.7.1</version>
            </plugin>
        </plugins>
    </build>

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>3.8.1</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>net.biancheng.www</groupId>
            <artifactId>helloMaven</artifactId>
            <scope>system</scope>
            <version>1.0-SNAPSHOT</version>
            <systemPath>D:\maven\helloMaven\target\helloMaven-1.0-SNAPSHOT.jar</systemPath>
        </dependency>
    </dependencies>
</project>

打开命令行窗口，跳转到 secondMaven 的目录中，执行如下 mvn 命令。

mvn site

执行结果如下。

[INFO] Scanning for projects...
[WARNING]
[WARNING] Some problems were encountered while building the effective model for net.biancheng.www:secondMaven:jar:1.0-SNAPSHOT
[WARNING] 'dependencies.dependency.systemPath' for net.biancheng.www:helloMaven:jar should use a variable instead of a hard-coded path D:\maven\helloMaven\target\helloMaven-1.0-SNAPSHOT.jar @ line 37, 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] -------------------< net.biancheng.www:secondMaven >--------------------
[INFO] Building secondMaven 1.0-SNAPSHOT
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- maven-site-plugin:3.7.1:site (default-site) @ secondMaven ---
[WARNING] Input file encoding has not been set, using platform encoding GBK, i.e. build is platform dependent!
[INFO] configuring report plugin org.apache.maven.plugins:maven-project-info-reports-plugin:3.0.0
[INFO] 15 reports detected for maven-project-info-reports-plugin:3.0.0: ci-management, dependencies, dependency-info, dependency-management, distribution-management, index, issue-management, licenses, mailing-lists, modules, plugin-management, plugins, scm, summary, team
[INFO] Rendering site with default locale English (en)
[INFO] Relativizing decoration links with respect to localized project URL: http://maven.apache.org
[INFO] Rendering content with org.apache.maven.skins:maven-default-skin:jar:1.2 skin.
[INFO] Generating "Dependencies" report  --- maven-project-info-reports-plugin:3.0.0:dependencies
[WARNING] Artifact net.biancheng.www:helloMaven:jar:1.0-SNAPSHOT has no file and won't be listed in dependency files details.
[INFO] Generating "Dependency Information" report --- maven-project-info-reports-plugin:3.0.0:dependency-info
[INFO] Generating "About" report         --- maven-project-info-reports-plugin:3.0.0:index
[INFO] Generating "Plugin Management" report --- maven-project-info-reports-plugin:3.0.0:plugin-management
[INFO] Generating "Plugins" report       --- maven-project-info-reports-plugin:3.0.0:plugins
[INFO] Generating "Summary" report       --- maven-project-info-reports-plugin:3.0.0:summary
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  2.260 s
[INFO] Finished at: 2021-03-03T14:29:13+08:00
[INFO] ------------------------------------------------------------------------

Maven 命令运行完毕后，可以在项目的 target\site 目录下找到 Maven 生成的站点文件，如下图。

图1：项目站点文件

双击打开 index.html 查看站点。

图2：项目站点

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