package com.cy.test;

public class HelloWorld {

    public void say(){

        System.out.println("hello Spring 你好");

    }

}

package com.cy.service;

import org.springframework.context.ApplicationContext;

import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.cy.test.HelloWorld;

public class Test {

    @SuppressWarnings("resource")

    public static void main(String[] args) {

        ApplicationContext ac =new ClassPathXmlApplicationContext("beans.xml");

        HelloWorld helloWorld = (HelloWorld) ac.getBean("helloWorld");

        helloWorld.say();

    }

}

<?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="helloWorld" class="com.cy.test.HelloWorld"></bean>

</beans>