1.创建Maven项目,项目名称springdemo19,如图所示

2.配置Maven,修改项目中的pom.xml文件,修改内容如下

<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>1.0.0</modelVersion><groupId>shequ</groupId><artifactId>springdemo13</artifactId><version>0.0.1-SNAPSHOT</version><properties><java.version>1.7</java.version><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding><project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding></properties><repositories><repository><id>codelds</id><url>https://code.lds.org/nexus/content/groups/main-repo</url></repository></repositories><dependencies><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>4.10</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-core</artifactId><version>4.1.4.RELEASE</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-context</artifactId><version>4.1.4.RELEASE</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-jdbc</artifactId><version>4.1.4.RELEASE</version></dependency><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><version>5.1.34</version></dependency></dependencies><build/>
</project>

3.在src/main/java下创建实体Bean Forum,包名(com.mycompany.shequ.bean)如图所示

4.实体Bean Forum的内容如下

package com.mycompany.shequ.bean;public class Forum {private int fid;private String name;public int getFid() {return fid;}public void setFid(int fid) {this.fid = fid;}public String getName() {return name;}public void setName(String name) {this.name = name;}}

5.在src/main/java下创建实体Bean ForumPost,包名(com.mycompany.shequ.bean)如图所示

6.实体Bean ForumPost的内容如下

package com.mycompany.shequ.bean;import org.springframework.beans.factory.annotation.Autowired;public class ForumPost {private int pid;private String name;private Forum forum;public ForumPost() {super();}@Autowiredpublic ForumPost(Forum forum) {super();this.forum = forum;}public int getPid() {return pid;}public void setPid(int pid) {this.pid = pid;}public String getName() {return name;}public void setName(String name) {this.name = name;}public Forum getForum() {return forum;}public void setForum(Forum forum) {this.forum = forum;}}

7.在src/main/resources下创建Bean配置文件,配置文件名称spring-bean.xml,如图所示

8.spring-bean.xml文件的内容如下

<?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/beanshttp://www.springframework.org/schema/beans/spring-beans.xsd"><bean id="forumpost"class="com.mycompany.shequ.bean.ForumPost"></bean><bean id="forum" class="com.mycompany.shequ.bean.Forum"><property name="fid" value="3"></property><property name="name" value="@Autowired 在构造方法上"></property></bean></beans>

9.在src/main/resources下创建spring的核心配置文件applicationContext.xml,如图所示

10.spring的核心配置文件applicationContext.xml的内容如下

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns:context="http://www.springframework.org/schema/context"xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans-4.0.xsdhttp://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context-4.0.xsd"><context:annotation-config /><import resource="bean/spring-bean.xml"/></beans>

11.在src/test/java下创建测试类ForumPostTest,包名(com.mycompany.shequ.bean),如图所示

12.测试类ForumPostTest的内容如下

package com.mycompany.shequ.bean;import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;public class ForumPostTest {/*** spring 的自动装配Beans,通过注解@Autowired在构造方法上*/@Testpublic void autowiredTest(){ApplicationContext context = new ClassPathXmlApplicationContext("applicationContext.xml");ForumPost forumPost = (ForumPost) context.getBean("forumpost");System.out.println(forumPost.getForum().getName());}
}	

13.在测试类ForumPostTest的byTypeTest方法上右键运行,输出结果如图所示