spring Aop/Ioc

package com.softeem.demo; import org.springframework.beans.factory.BeanFactory; import org.springframework.beans.factory.xml.XmlBeanFactory; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; import org.springframework.core.io.ClassPathResource; import org.springframework.core.io.Resource; public class Demo { public static void main(String[] args) { // 主动寻找 （自由戀愛） // Hello he = new Hello(); // String username="T-cay"; // String addr="武汉"; // Address address=new Address(addr); // he.setAddress(address); // he.setUsername(username); // String a = he.sayHello(); // System.out.println(a); // 被动接受 （包半婚姻） // IOC(inverse of control) 注入依赖 （控制反转） // 第一种方法 // Resource resource = new ClassPathResource("applicationContext.xml"); // BeanFactory factory = new XmlBeanFactory(resource); // Hello he = (Hello) factory.getBean("hello"); // 一个比BeanFactory更加强大的容器---应用上下文 ApplicationContext context = new ClassPathXmlApplicationContext( "applicationContext.xml"); Hello he = (Hello) context.getBean("hello"); System.out.println(he.sayHello()); } }