spring学习之创建项目 Hello Spring实例代码

package io.spring.beans;
/** 
 * @author 胖胖のALEX E-mail:zanbin168@qq.com 
 * @version 1.0 
*/
public class HelloWorld {
	private String name;
	public void setName(String name) {
		this.name = name;
	}
	public void hello() {
		System.out.println("hello " + name);
	}
}

<?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"> 
   
  <!-- 配置bean --> 
  <bean id="helloWorld" class="io.spring.beans.HelloWorld"> 
    <property name="name" value="大红"></property> 
  </bean> 
 
</beans> 

package io.spring.beans;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
/** 
 * @author 胖胖のALEX E-mail:zanbin168@qq.com 
 * @version 1.0 
*/
public class Main {
	public static void main(String[] args) {
		//1、创建Spring的IOC容器对象 
		ApplicationContext ctx = new ClassPathXmlApplicationContext("applicationContext.xml");
		//2、从IOC容器中获取Bean实例 
		HelloWorld helloWorld = (HelloWorld) ctx.getBean("helloWorld");
		//3、调用hello方法 
		helloWorld.hello();
	}
}