Maven多模块构建实例

创建coffee-parent项目

New->Maven Project

创建coffee-web项目

右键coffee-parent项目->New->Project...

注意：需要在src/main/webapp下创建WEB-INF文件夹，以及在WEB-INF下创建web.xml。

创建coffee-api项目

右键coffee-parent项目->New->Project...

注意：前面步骤同coffee-web项目

项目结构：

pom.xml文件

coffee-parent项目的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>

  <groupId>com.coffee</groupId>

  <artifactId>coffee-parent</artifactId>

  <version>0.0.1-SNAPSHOT</version>

  <packaging>pom</packaging>

  <modules>

  	<module>coffee-web</module>

  	<module>coffee-api</module>

  </modules>

  <!-- 管理依赖，供子项目选择使用  -->

  <dependencyManagement>

  	<dependencies>

  		<dependency>

  			<groupId>com.coffee</groupId>

  			<artifactId>coffee-api</artifactId>

  			<version>0.0.1-SNAPSHOT</version>

  		</dependency>

  	</dependencies>

  </dependencyManagement>

  <build>

  	<!-- 配置使用jdk1.7编译，所有子项目都会继承此配置，如需配置为子项目可选继承，则需要配置到 pluginManagement下-->

  	<plugins>

  		<plugin>

 			<groupId>org.apache.maven.plugins</groupId>

 			<artifactId>maven-compiler-plugin</artifactId>

 			<version>3.8.1</version>

 			<configuration>

	        	<source>1.7</source>

	        	<target>1.7</target>

	        </configuration>

  		</plugin>

  	</plugins>

  </build>

</project>

coffee-web项目的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.coffee</groupId>

    <artifactId>coffee-parent</artifactId>

    <version>0.0.1-SNAPSHOT</version>

  </parent>

  <artifactId>coffee-web</artifactId>

  <packaging>war</packaging>

  	<!-- coffee-web依赖coffee-api，无需配置version，使用父项目coffee-parent中配置的version-->

  	<dependencies>

  		<dependency>

  			<groupId>com.coffee</groupId>

  			<artifactId>coffee-api</artifactId>

  		</dependency>

  	</dependencies>

</project>

coffee-api项目的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.coffee</groupId>

    <artifactId>coffee-parent</artifactId>

    <version>0.0.1-SNAPSHOT</version>

  </parent>

  <artifactId>coffee-api</artifactId>

</project>

构建

右键coffee-parent项目->Run As->Maven install

构建成功：

[INFO] ------------------------------------------------------------------------

[INFO] Reactor Summary for coffee-parent 0.0.1-SNAPSHOT:

[INFO]

[INFO] coffee-parent ...................................... SUCCESS [  0.754 s]

[INFO] coffee-api ......................................... SUCCESS [  2.085 s]

[INFO] coffee-web ......................................... SUCCESS [  0.888 s]

[INFO] ------------------------------------------------------------------------

[INFO] BUILD SUCCESS

[INFO] ------------------------------------------------------------------------

[INFO] Total time:  3.980 s

[INFO] Finished at: 2019-06-03T21:44:43+08:00

[INFO] ------------------------------------------------------------------------