Bean容器中的生命周期

整体代码结构：

axe.java

package com.kinsey.woo.service; public interface Axe { public String chop(); } Person.java

package com.kinsey.woo.service; public interface Person { public void useAxe(); } StoneAxe.java

package com.kinsey.woo.dto; import com.kinsey.woo.service.Axe; public class StoneAxe implements Axe { @Override public String chop() { return "使用斧头砍柴好慢"; } } SteelAxe.java

package com.kinsey.woo.dto; import com.kinsey.woo.service.Axe; public class SteelAxe implements Axe { @Override public String chop() { return "使用钢斧砍柴好快."; } } Chinese.java

package com.kinsey.woo.dto; import org.springframework.beans.BeansException; import org.springframework.beans.factory.DisposableBean; import org.springframework.beans.factory.InitializingBean; import org.springframework.context.ApplicationContext; import org.springframework.context.ApplicationContextAware; import com.kinsey.woo.service.Axe; import com.kinsey.woo.service.Person; public class Chinese implements Person,InitializingBean,DisposableBean, ApplicationContextAware { private Axe axe; public Axe getAxe() { return axe; } public void setAxe(Axe axe) { System.out.println("setAxe方法被调用..."); this.axe = axe; } @Override public void useAxe(){ System.out.println("我打算去看点柴."); System.out.println(axe.chop()); } public void initMethod(){ System.out.println("init-method方法被调用..."); } public void destoryMethod(){ System.out.println("destory-method方法被调用..."); } @Override public void destroy() throws Exception { System.out.println("实现DisposableBean接口的detory()方法被调用...."); } @Override public void afterPropertiesSet() throws Exception { System.out.println("实现InitializingBean接口的afterPropertiesSet()方法被调用...."); } @Override public void setApplicationContext(ApplicationContext ctx) throws BeansException { System.out.println("this.ctx = " + ctx + "\n"); } } RunMain.java

package com.kinsey.woo.main; import org.springframework.context.support.AbstractApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; import com.kinsey.woo.dto.Chinese; public class RunMain { public static void main(String[] args) { @SuppressWarnings("resource") AbstractApplicationContext ctx = new ClassPathXmlApplicationContext("application.xml"); Chinese chinese = ctx.getBean("chinese", Chinese.class); chinese.useAxe(); //会自动调用destroy-method 对应的方法和destroy方法 /* * 销毁容器 * 在基于Web的ApplicationContext实现中，系统已经提供了相应的代码保证关闭Web应用时恰当地关闭Spring容器. * 如果处于非Web应用的环境下，调用AbstractApplicationContext提供的registerShutdownHook即可. */ ctx.registerShutdownHook(); } } application.xml

<?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="stoneAxe" class="com.kinsey.woo.dto.StoneAxe"> </bean> <bean id="steelAxe" class="com.kinsey.woo.dto.SteelAxe"> </bean> <bean id="chinese" class="com.kinsey.woo.dto.Chinese" init-method="initMethod" destroy-method="destoryMethod" depends-on="stoneAxe,steelAxe"> <property name="axe" ref="steelAxe"></property> </bean> </beans>