Maven工程继承关系，多个模块要使用同一个框架，它们应该是同一个版本，项目中使用的框架版本需要统一管理。

1、父工程pom.xml

<?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.atguigu</groupId><artifactId>pro-ssm</artifactId><version>1.0-SNAPSHOT</version><packaging>pom</packaging><modules><module>pro04-spring-ioc-xml</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><spring.version>6.0.6</spring.version><junit.version>5.3.1</junit.version></properties><dependencyManagement><dependencies><dependency><groupId>org.springframework</groupId><artifactId>spring-context</artifactId><version>${spring.version}</version></dependency><dependency><groupId>org.junit.jupiter</groupId><artifactId>junit-jupiter-api</artifactId><version>${junit.version}</version><scope>test</scope></dependency></dependencies></dependencyManagement></project>

2、子工程pom.xml

<?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.atguigu</groupId><artifactId>pro-ssm</artifactId><version>1.0-SNAPSHOT</version></parent><artifactId>pro04-spring-ioc-xml</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><dependency><groupId>org.springframework</groupId><artifactId>spring-context</artifactId></dependency><dependency><groupId>org.junit.jupiter</groupId><artifactId>junit-jupiter-api</artifactId></dependency></dependencies></project>

3、Person.java

package com.atguigu.ioc;public class Person {public void sayHello() {System.out.println("Hello Spring!");}
}

4、applicationContext.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"><bean id="p01" class="com.atguigu.ioc.Person"></bean></beans>

5、PersonTest.java

package com.atguigu.ioc;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class PersonTest {@Testpublic void test01() {new Person().sayHello();}@Testpublic void test02() {BeanFactory beanFactory = new ClassPathXmlApplicationContext("applicationContext.xml");Person p01 = (Person) beanFactory.getBean("p01");p01.sayHello();}
}