maven聚合与继承<一>

一、假设目前有三个maven项目,分别是project.A、project.B、project.C
要求B依赖A、C依赖B但不依赖C

1、B添加对A的依赖

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< dependency >
             < groupId >com.project</ groupId >
             < artifactId >project.A</ artifactId >
             < version >0.0.1-SNAPSHOT</ version >
         </ dependency >

A必须先安装到本地库,否则编译B时会抛异常

A: clean install   B:clean compile

 

2、C添加对B的依赖,同时排除对A的依赖

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< dependency >
             < groupId >com.project</ groupId >
             < artifactId >project.B</ artifactId >
             < version >0.0.1-SNAPSHOT</ version >
             < exclusions >
               < exclusion >
                     < groupId >com.project</ groupId >
                     < artifactId >project.A</ artifactId >
               </ exclusion >
             </ exclusions >
         </ dependency >

 

 

二、假设目前有四个maven项目,分别是project.parent、project.A、project.B、project.C

要求A、B、C整合到一个项目,并且从project.parent继承依赖

1、parent聚合A、B、C三个项目

 

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< packaging >pom</ packaging >

 

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< modules >
< module >../project.A</ module >
< module >../project.B</ module >
< module >../project.C</ module >
</ modules >

执行clean compile 进行验证,会同时编译A、B、C三个项目

2、A、B、C分别关联parent项目

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< parent >
         < groupId >com.project</ groupId >
         < artifactId >project.parent</ artifactId >
         < version >0.0.1-SNAPSHOT</ version >
     </ parent >

会自动继承父类的依赖jar

 

如果把父类依赖放在<dependencyManagement>中管理,则子类不会自动成父类的依赖

 

<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>org.example</groupId> <artifactId>untitled</artifactId> <version>1.0-SNAPSHOT</version> <packaging>pom</packaging> <modules> <module>first</module> <module>spring5-ioc-xml</module> <module>spring5-ioc-annotation</module> <module>spring5-reflect</module> <module>atguigu-spring</module> <module>spring6-aop</module> <module>spring6-jdbc-tx</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> <dependencies> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aop</artifactId> <version>6.0.2</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aspects</artifactId> <version>6.0.2</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>6.0.2</version> </dependency> <dependency> <groupId>jakarta.annotation</groupId> <artifactId>jakarta.annotation-api</artifactId> <version>2.1.1</version> </dependency> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.13.2</version> <scope>test</scope> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifa
最新发布
04-03
<?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.aleks</groupId> <artifactId>demo</artifactId> <version>1.0.0</version> <packaging>pom</packaging> <modules> <module>deploy</module> <module>module</module> </modules> <parent> <!-- 必须降级Spring Boot到2.x版本 --> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.7.18</version> <!-- Java 8兼容的最新稳定版 --> <relativePath/> </parent> <properties> <java.version>1.8</java.version> <!-- 修改版本号 --> <maven.compiler.source>1.8</maven.compiler.source> <maven.compiler.target>1.8</maven.compiler.target> </properties> <dependencyManagement> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> <version>2.7.18</version> <!-- 同步版本号 --> </dependency> <dependency> <groupId>org.junit.jupiter</groupId> <artifactId>junit-jupiter</artifactId> <version>5.8.2</version> <!-- Java 8兼容版本 --> <scope>test</scope> </dependency> </dependencies> </dependencyManagement> </project><?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.aleks</groupId> <artifactId>demo</artifactId> <version>1.0.0</version> </parent> <artifactId>deploy</artifactId> <packaging>pom</packaging> <modules> <module>main-deploy</module> </modules> </project><?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.aleks</groupId> <artifactId>deploy</artifactId> <version>1.0.0</version> </parent> <artifactId>main-deploy</artifactId> <packaging>jar</packaging> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.junit.jupiter</groupId> <artifactId>junit-jupiter</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <scope>test</scope> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <version>2.7.18</version> <!-- 同步插件版本 --> <configuration> <mainClass>com.aleks.MainApplication</mainClass> </configuration> </plugin> </plugins> </build> </project>
03-13
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