第三章bean的生命周期Bean在ApplicationContext中的生命周期實(shí)例化設(shè)置屬性值調(diào)用BeanNameAware的setBeanName方法調(diào)用BeanFactoryAware的setBeanFactory方法調(diào)用ApplicationContextAware方法setApplicationContext方法調(diào)用BeanPostProcessor的預(yù)初始化方法<before>調(diào)用InitializingBean的afterPropertiesSet方法調(diào)用定制的初始化方法調(diào)用BeanPostProcessor的后初始化方法<after>Bean可以使用了容器關(guān)閉調(diào)用DisposableBean的destory方法調(diào)用定制的銷毀方法Bean在ApplicationContext中的生命周期實(shí)例化設(shè)置屬性值調(diào)用BeanNameAware的setBeanName方法調(diào)用BeanFactoryAware的setBeanFactory方法調(diào)用ApplicationContextAware方法setApplicationContext方法調(diào)用BeanPostProcessor的預(yù)初始化方法<before>調(diào)用InitializingBean的afterPropertiesSet方法調(diào)用定制的初始化方法調(diào)用BeanPostProcessor的后初始化方法<after>Bean可以使用了容器關(guān)閉調(diào)用DisposableBean的destory方法調(diào)用定制的銷毀方法當(dāng)我們的程序加載beans.xml文件時(shí)，把我們的bean(前提是scope=singleton)實(shí)例化到內(nèi)存?？梢詫憳?gòu)造函數(shù)證明。Bean在ApplicationContext中的生命周期實(shí)例化設(shè)置屬性值調(diào)用BeanNameAware的setBeanName方法調(diào)用BeanFactoryAware的setBeanFactory方法調(diào)用ApplicationContextAware方法setApplicationContext方法調(diào)用BeanPostProcessor的預(yù)初始化方法<before>調(diào)用InitializingBean的afterPropertiesSet方法調(diào)用定制的初始化方法調(diào)用BeanPostProcessor的后初始化方法<after>Bean可以使用了容器關(guān)閉調(diào)用DisposableBean的destory方法調(diào)用定制的銷毀方法調(diào)用set方法設(shè)置屬性。Bean在ApplicationContext中的生命周期實(shí)例化設(shè)置屬性值調(diào)用BeanNameAware的setBeanName方法調(diào)用BeanFactoryAware的setBeanFactory方法調(diào)用ApplicationContextAware方法setApplicationContext方法調(diào)用BeanPostProcessor的預(yù)初始化方法<before>調(diào)用InitializingBean的afterPropertiesSet方法調(diào)用定制的初始化方法調(diào)用BeanPostProcessor的后初始化方法<after>Bean可以使用了容器關(guān)閉調(diào)用DisposableBean的destory方法調(diào)用定制的銷毀方法實(shí)現(xiàn)BeanNameAware接口則可以通過setBeanName獲取正在被實(shí)例化的bean的id號(hào)。Bean在ApplicationContext中的生命周期實(shí)例化設(shè)置屬性值調(diào)用BeanNameAware的setBeanName方法調(diào)用BeanFactoryAware的setBeanFactory方法調(diào)用ApplicationContextAware方法setApplicationContext方法調(diào)用BeanPostProcessor的預(yù)初始化方法<before>調(diào)用InitalizingBean的afterPropertiesSet方法調(diào)用定制的初始化方法調(diào)用BeanPostProcessor的后初始化方法<after>Bean可以使用了容器關(guān)閉調(diào)用DisposableBean的destory方法調(diào)用定制的銷毀方法實(shí)現(xiàn)BeanFactoryAware接口則可以通過setBeanFactory獲取BeanFactory。Bean在ApplicationContext中的生命周期實(shí)例化設(shè)置屬性值調(diào)用BeanNameAware的setBeanName方法調(diào)用BeanFactoryAware的setBeanFactory方法調(diào)用ApplicationContextAware方法setApplicationContext方法調(diào)用BeanPostProcessor的預(yù)初始化方法<before>調(diào)用InitializingBean的afterPropertiesSet方法調(diào)用定制的初始化方法調(diào)用BeanPostProcessor的后初始化方法<after>Bean可以使用了容器關(guān)閉調(diào)用DisposableBean的destory方法調(diào)用定制的銷毀方法實(shí)現(xiàn)ApplicationContextAware接口則可以通過setApplicationContext獲取ApplicationContext。Bean在ApplicationContext中的生命周期實(shí)例化設(shè)置屬性值調(diào)用BeanNameAware的setBeanName方法調(diào)用BeanFactoryAware的setBeanFactory方法調(diào)用ApplicationContextAware方法setApplicationContext方法調(diào)用BeanPostProcessor的預(yù)初始化方法<before>調(diào)用InitializingBean的afterPropertiesSet方法調(diào)用定制的初始化方法調(diào)用BeanPostProcessor的后初始化方法<after>Bean可以使用了容器關(guān)閉調(diào)用DisposableBean的destory方法調(diào)用定制的銷毀方法BeanPostProcessor：后置處理器如果bean和一個(gè)后置處理器關(guān)聯(lián),則會(huì)自動(dòng)去調(diào)用before方法Bean在ApplicationContext中的生命周期實(shí)例化設(shè)置屬性值調(diào)用BeanNameAware的setBeanName方法調(diào)用BeanFactoryAware的setBeanFactory方法調(diào)用ApplicationContextAware方法setApplicationContext方法調(diào)用BeanPostProcessor的預(yù)初始化方法<before>調(diào)用InitializingBean的afterPropertiesSet方法調(diào)用定制的初始化方法調(diào)用BeanPostProcessor的后初始化方法<after>Bean可以使用了容器關(guān)閉調(diào)用DisposableBean的destory方法調(diào)用定制的銷毀方法BeanPostProcessor：后置處理器如果bean和一個(gè)后置處理器關(guān)聯(lián),則會(huì)自動(dòng)去調(diào)用before方法Bean在ApplicationContext中的生命周期MyBeanPostProcessorimplementsBeanPostProcessor{before(){}after(){}}實(shí)例化bean1bean2bean3需求:1.記錄每個(gè)對(duì)象被實(shí)例化的時(shí)間。2.過濾每個(gè)調(diào)用對(duì)象ip。3.給所有對(duì)象添加屬性，或者函數(shù)。=>aop(面向切面編程.針對(duì)所有對(duì)象編程.)如果在容器文件中配置了MyBeanPostProcessorBean在ApplicationContext中的生命周期實(shí)例化設(shè)置屬性值調(diào)用BeanNameAware的setBeanName方法調(diào)用BeanFactoryAware的setBeanFactory方法調(diào)用ApplicationContextAware方法setApplicationContext方法調(diào)用BeanPostProcessor的預(yù)初始化方法<before>調(diào)用InitializingBean的afterPropertiesSet方法調(diào)用定制的初始化方法調(diào)用BeanPostProcessor的后初始化方法<after>Bean可以使用了容器關(guān)閉調(diào)用DisposableBean的destory方法調(diào)用定制的銷毀方法Bean在ApplicationContext中的生命周期實(shí)例化設(shè)置屬性值調(diào)用BeanNameAware的setBeanName方法調(diào)用BeanFactoryAware的setBeanFactory方法調(diào)用ApplicationContextAware方法setApplicationContext方法調(diào)用BeanPostProcessor的預(yù)初始化方法<before>調(diào)用InitializingBean的afterPropertiesSet方法調(diào)用定制的初始化方法調(diào)用BeanPostProcessor的后初始化方法<after>Bean可以使用了容器關(guān)閉調(diào)用DisposableBean的destory方法調(diào)用定制的銷毀方法如果你實(shí)現(xiàn)InitializingBean接口，則會(huì)調(diào)用afterPropertiesSetBean在ApplicationContext中的生命周期實(shí)例化設(shè)置屬性值調(diào)用BeanNameAware的setBeanName方法調(diào)用BeanFactoryAware的setBeanFactory方法調(diào)用ApplicationContextAware方法setApplicationContext方法調(diào)用BeanPostProcessor的預(yù)初始化方法<before>調(diào)用InitializingBean的afterPropertiesSet方法調(diào)用定制的初始化方法調(diào)用BeanPostProcessor的后初始化方法<after>Bean可以使用了容器關(guān)閉調(diào)用DisposableBean的destory方法調(diào)用定制的銷毀方法如果<beaninit-method=”init”/>則可以在bean定義自己的初始化方法Bean在ApplicationContext中的生命周期實(shí)例化設(shè)置屬性值調(diào)用BeanNameAware的setBeanName方法調(diào)用BeanFactoryAware的setBeanFactory方法調(diào)用ApplicationContextAware方法setApplicationContext方法調(diào)用BeanPostProcessor的預(yù)初始化方法<before>調(diào)用InitializingBean的afterPropertiesSet方法調(diào)用定制的初始化方法調(diào)用BeanPostProcessor的后初始化方法<after>Bean可以使用了容器關(guān)閉調(diào)用DisposableBean的destory方法調(diào)用定制的銷毀方法可以在<beandestory-method=”fun1”/>調(diào)用定制的銷毀方法Bean在ApplicationContext中的生命周期實(shí)例化設(shè)置屬性值調(diào)用BeanPostProcessor的預(yù)初始化方法<before>Bean可以使用了容器關(guān)閉調(diào)用BeanPostProcessor的后初始化方法<after>通過BeanFactory來獲取bean對(duì)象，bean的生命周期是否和Applicationcontext是否一樣?Bean在BeanFactory中的生命周期實(shí)例化設(shè)置屬性值調(diào)用BeanNameAware的setBeanName方法調(diào)用BeanFactoryAware的setBeanFactory方法調(diào)用ApplicationContextAware方法setApplicationContext方法調(diào)用BeanPostProcessor的預(yù)初始化方法<before>調(diào)用InitializingBean的afterPropertiesSet方法調(diào)用定制的初始化方法調(diào)用BeanPostProcessor