package java_spring.modle;/*** 一个实体类( Person )*/
public class Person {private int userId;private String userName;private String userAge;public int getUserId() {return userId;}public void setUserId(int userId) {this.userId = userId;}public String getUserName() {return userName;}public void setUserName(String userName) {this.userName = userName;}public String getUserAge() {return userAge;}public void setUserAge(String userAge) {this.userAge = userAge;}@Overridepublic String toString() {return "Person [userId=" + userId + ", userName=" + userName + ", userAge=" + userAge + "]";}}

<?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"
><!-- 通过 spring 配置一个 Person 实力化类 PersonOne 并赋值 --><bean id="personOne" class="java_spring.modle.Person"><property name="userId" value="1"></property><property name="userName" value="张三丰"></property><property name="userAge" value="男"></property></bean>
</beans> 

package java_spring.a_main;import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;import java_spring.modle.Person;public class TestOne {public static void main(String[] args) {// 获取 spring 的 IOC 容器对象, 参数是配置文件相对于 src 的路径ApplicationContext ac = new ClassPathXmlApplicationContext("java_spring/config/spring.xml");// 通过容器对象获取配置好的 javabean 对象, 参数是配置文件中的  idPerson personOne = (Person) ac.getBean("personOne");System.out.println(personOne);}}