用Spring的方法来创建一个对象
1.创建一个USER类
package com.atguigu.spring5;
public class User {
public void add(){
System.out.println("add...");
}
}
2.创建一个Spring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="user" class="com.atguigu.spring5.User"></bean>
</beans>
3.在TestSpring类中加载配置文件并创建一个USER对象
package com.atguigu.spring5.testdemo;
import com.atguigu.spring5.User;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class TestSpring5 {
@Test
public void testAdd(){
ApplicationContext context = new ClassPathXmlApplicationContext("bean1.xml");
User user = context.getBean("user", User.class);
System.out.println(user);
user.add();
}
}