【Maven】009-Maven 简单父子工程搭建
一、需求说明
1、结构
父工程为学校，子工程（模块）有两个：通用模块、教师模块。
2、第三方库
lombok：每个子工程都需要，直接在父工程引入依赖；
hutool：在父工程管理依赖版本。
二、工程搭建
1、父工程
第一步：创建父工程
第二步：引入公共依赖 lombok 和管理 hutool 依赖版本
<?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>
<groupId>com.zibo</groupId>
<artifactId>school</artifactId>
<version>1.0-SNAPSHOT</version>
<properties>
<maven.compiler.source>17</maven.compiler.source>
<maven.compiler.target>17</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<!-- 公共依赖 -->
<dependencies>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.30</version>
</dependency>
</dependencies>
<!-- 依赖版本管理 -->
<dependencyManagement>
<dependencies>
<dependency>
<groupId>cn.hutool</groupId>
<artifactId>hutool-all</artifactId>
<version>5.8.24</version>
</dependency>
</dependencies>
</dependencyManagement>
</project>
2、公共子模块
第一步：创建子模块
IDEA 中选择将 school 作为父工程后会自动修改 pom.xml 文件！
父工程的 pom.xml 文件
<?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>
<groupId>com.zibo</groupId>
<artifactId>school</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>pom</packaging>
<modules>
<module>common</module>
</modules>
<properties>
<maven.compiler.source>17</maven.compiler.source>
<maven.compiler.target>17</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<!-- 公共依赖 -->
<dependencies>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.30</version>
</dependency>
</dependencies>
<!-- 依赖版本管理 -->
<dependencyManagement>
<dependencies>
<dependency>
<groupId>cn.hutool</groupId>
<artifactId>hutool-all</artifactId>
<version>5.8.24</version>
</dependency>
</dependencies>
</dependencyManagement>
</project>
子工程的 pom.xml 文件：
<?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>com.zibo</groupId>
<artifactId>school</artifactId>
<version>1.0-SNAPSHOT</version>
</parent>
<artifactId>common</artifactId>
<properties>
<maven.compiler.source>17</maven.compiler.source>
<maven.compiler.target>17</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
</project>
第二步：公共子模块引入 hutool 依赖
在 pom.xml 中文章来源：https://www.toymoban.com/news/detail-805539.html
<!-- 引入 hutool -->
<dependencies>
<dependency>
<groupId>cn.hutool</groupId>
<artifactId>hutool-all</artifactId>
</dependency>
</dependencies>
第三步：写一个简单的工具类
package com.zibo;
import cn.hutool.core.util.StrUtil;
public class MyStringUtils {
public static boolean isBlank(String str){
return StrUtil.isBlank(str);
}
}
3、教师子模块
第一步：创建子模块，并引入公共子模块
<?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>
<groupId>com.zibo</groupId>
<artifactId>school</artifactId>
<version>1.0-SNAPSHOT</version>
</parent>
<artifactId>teacher</artifactId>
<properties>
<maven.compiler.source>17</maven.compiler.source>
<maven.compiler.target>17</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<!-- 引入公共子模块的依赖 -->
<dependency>
<groupId>com.zibo</groupId>
<artifactId>common</artifactId>
<version>1.0-SNAPSHOT</version>
</dependency>
</dependencies>
</project>
第二步：使用公共子模块内的工具类
package com.zibo;
public class Main {
public static void main(String[] args) {
// 使用自定义的字符串工具类
System.out.println(MyStringUtils.isBlank(" "));
}
}
三、最终的 Maven 父子工程
1、pom.xml 文件
父工程
<?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>
<groupId>com.zibo</groupId>
<artifactId>school</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>pom</packaging>
<modules>
<module>common</module>
<module>teacher</module>
</modules>
<properties>
<maven.compiler.source>17</maven.compiler.source>
<maven.compiler.target>17</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<!-- 公共依赖 -->
<dependencies>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.30</version>
</dependency>
</dependencies>
<!-- 依赖版本管理 -->
<dependencyManagement>
<dependencies>
<dependency>
<groupId>cn.hutool</groupId>
<artifactId>hutool-all</artifactId>
<version>5.8.24</version>
</dependency>
</dependencies>
</dependencyManagement>
</project>
公共子模块
<?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>
<groupId>com.zibo</groupId>
<artifactId>school</artifactId>
<version>1.0-SNAPSHOT</version>
</parent>
<artifactId>common</artifactId>
<properties>
<maven.compiler.source>17</maven.compiler.source>
<maven.compiler.target>17</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<!-- 引入 hutool -->
<dependencies>
<dependency>
<groupId>cn.hutool</groupId>
<artifactId>hutool-all</artifactId>
</dependency>
</dependencies>
</project>
教师模块
<?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>
<groupId>com.zibo</groupId>
<artifactId>school</artifactId>
<version>1.0-SNAPSHOT</version>
</parent>
<artifactId>teacher</artifactId>
<properties>
<maven.compiler.source>17</maven.compiler.source>
<maven.compiler.target>17</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<!-- 引入公共子模块的依赖 -->
<dependency>
<groupId>com.zibo</groupId>
<artifactId>common</artifactId>
<version>1.0-SNAPSHOT</version>
</dependency>
</dependencies>
</project>
2、整体结构
文章来源地址https://www.toymoban.com/news/detail-805539.html
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