1.新建一个demo1实体类，代码如下：
 package com.eduask.entity;
 //新建一个学生实体类；
 public class Demo1 {
 public Demo1(){
 System.out.println("我的第一个spring程序");
 }
 }
 2.新建一个TestDemo1测试类代码如下:
 package com.eduask.entity;
 import org.springframework.context.support.ClassPathXmlApplicationContext;
 public class TestDemo1 {
 public static void main(String[] args) {
 ClassPathXmlApplicationContext cx=new ClassPathXmlApplicationContext("demo1.xml");
 Demo1 demo1=(Demo1) cx.getBean("Demo1");
 }
 }
 3.新建一个demo1.xml配置文件，
 <?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="Demo1" class="com.eduask.entity.Demo1">
 </bean>
 </beans>