Spring - Bean管理之生命周期

packagecom.imooc.ioc.demo3;
importorg.springframework.beans.BeansException;
importorg.springframework.beans.factory.BeanNameAware;
importorg.springframework.beans.factory.DisposableBean;
importorg.springframework.beans.factory.InitializingBean;
importorg.springframework.context.ApplicationContext;
importorg.springframework.context.ApplicationContextAware;
publicclassManimplementsBeanNameAware,ApplicationContextAware,InitializingBean,DisposableBean{
privateStringname;
publicvoidsetName(Stringname) {
System.out.println("第二步：设置属性");
this.name=name;
    }
publicMan(){
System.out.println("第一步：初始化...");
    }
publicvoidsetup(){
System.out.println("第七步：MAN被初始化了...");
    }
publicvoidteardown(){
System.out.println("第十一步：MAN被销毁了...");
    }
@OverridepublicvoidsetBeanName(Stringname) {
System.out.println("第三步：设置Bean的名称"+name);
    }
@OverridepublicvoidsetApplicationContext(ApplicationContextapplicationContext) throwsBeansException {
System.out.println("第四步：了解工厂信息");
    }
@OverridepublicvoidafterPropertiesSet() throwsException {
System.out.println("第六步：属性设置后");
    }
publicvoidrun(){
System.out.println("第九步：执行业务方法");
    }
@Overridepublicvoiddestroy() throwsException {
System.out.println("第十步：执行Spring的销毁方法");
    }
}

packagecom.imooc.ioc.demo3;
importorg.springframework.beans.BeansException;
importorg.springframework.beans.factory.config.BeanPostProcessor;
importjava.lang.reflect.InvocationHandler;
importjava.lang.reflect.Method;
importjava.lang.reflect.Proxy;
publicclassMyBeanPostProcessorimplementsBeanPostProcessor {
@OverridepublicObjectpostProcessBeforeInitialization(Objectbean, StringbeanName) throwsBeansException {
System.out.println("第五步：初始化前方法...");
returnbean;
    }
@OverridepublicObjectpostProcessAfterInitialization(finalObjectbean, StringbeanName) throwsBeansException {
System.out.println("第八步：初始化后方法...");
returnbean;
    }
}

<beanid="man"class="com.imooc.ioc.demo3.Man"init-method="setup"destroy-method="teardown"><propertyname="name"value="张三"/></bean><beanclass="com.imooc.ioc.demo3.MyBeanPostProcessor"/>

packagecom.imooc.ioc.demo3;
importorg.junit.Test;
importorg.springframework.context.ApplicationContext;
importorg.springframework.context.support.ClassPathXmlApplicationContext;
/*** Bean的作用范围的测试*/publicclassSpringDemo3 {
@Testpublicvoiddemo2(){
ClassPathXmlApplicationContextapplicationContext=newClassPathXmlApplicationContext("applicationContext.xml");
Manman= (Man)applicationContext.getBean("man");
man.run();
applicationContext.close();
    }
}

运行结果：第一步：初始化...
第二步：设置属性第三步：设置Bean的名称man第四步：了解工厂信息第五步：初始化前方法...
第六步：属性设置后第七步：MAN被初始化了...
第八步：初始化后方法...
第九步：执行业务方法第十步：执行Spring的销毁方法第十一步：MAN被销毁了...