<强>整体流程图
<强>程序示例
maven依赖
<代码> & lt; dependencies> & lt; !——https://mvnrepository.com/artifact/org.springframework/spring-context——比; & lt; dependency> & lt; groupId> org.springframework & lt; artifactId> spring-context & lt; version> 4.3.12.RELEASE & lt;/dependency> & lt; dependency> & lt; groupId> junit & lt; artifactId> junit & lt; version> 4.12 & lt;/version> & lt; scope> test & lt;/dependency> & lt;/dependencies>
配置类
<代码> @ configuration
@ComponentScan (“per.ym。处理器,per.ym.service”)
公开课LifeCycleConfig {
@ bean (initMethod=癷nit”, destroyMethod=按莼佟?
公共LifeCycleBean LifeCycleBean () {
返回新LifeCycleBean ();
}
}
实例bean
<代码>公共类LifeCycleBean实现InitializingBean BeanNameAware, BeanFactoryAware BeanClassLoaderAware {
公共LifeCycleBean () {
System.out.println (“consturctor……”);
}
公共空间init () {
System.out.println (“init……”);
}
@ autowired
公共空间setService (PersonService服务){
System.out.println (“setService……”);
}
公共空间摧毁(){
System.out.println(“摧毁……”);
}
@Override
公共空间afterPropertiesSet()抛出异常{
System.out.println (“afterPropertiesSet……”);
}
@Override
公共空间setBeanFactory (BeanFactory BeanFactory)抛出BeansException {
System.out.println (“setBeanFactory……”);
}
@Override
公共空间setBeanName(字符串名称){
System.out.println (“setBeanName……”);
}
@Override
公共空间setBeanClassLoader(类加载器类加载器){
System.out.println (“setBeanClassLoader……”);
}
}
InstantiationAwareBeanPostProcessor
<代码>包per.ym.processor;
@ component
公开课MyInstantiationBeanPostProcessor延伸InstantiationAwareBeanPostProcessorAdapter {
@Override
公共对象postProcessBeforeInstantiation (Class<?比;beanClass,字符串beanName)抛出BeansException {
如果(beanName.equals (“lifeCycleBean”)) {
System.out.println (“postProcessBeforeInstantiation……”);
}
返回null;
}
@Override
公共布尔postProcessAfterInstantiation(对象bean,字符串beanName)抛出BeansException {
如果(beanName.equals (“lifeCycleBean”)) {
System.out.println (“postProcessAfterInstantiation……”);
}
返回true;
}
@Override
公共propertyvalue postProcessPropertyValues (
propertyvalue pv, PropertyDescriptor [] pds,对象bean,字符串beanName)抛出BeansException {
如果(beanName.equals (“lifeCycleBean”)) {
System.out.println (“postProcessPropertyValues……”);
}
返回pv;
}
}
BeanPostProcessor
<代码>包per.ym.processor;
@ component
公共类MyPostProcess实现BeanPostProcessor {
@Override
公共对象postProcessBeforeInitialization(对象bean,字符串beanName)抛出BeansException {
如果(beanName.equals (“lifeCycleBean”)) {
System.out.println (“postProcessBeforeInitialization……”);
}
返回bean;
}
@Override
公共对象postProcessAfterInitialization(对象bean,字符串beanName)抛出BeansException {
如果(beanName.equals (“lifeCycleBean”)) {
System.out.println (“postProcessAfterInitialization……”);
}
返回bean;
}
}
服务
<代码>包per.ym.service;
@ service
公共类服务{
}
测试类
<代码>公共类Test_Normal {
所applicationContext=new所(LifeCycleConfig.class);
@Test
公共空白测试(){
applicationContext.getBean (“lifeCycleBean”);
applicationContext.close ();
}
}
测试结果:
<代码> postProcessBeforeInstantiation…… consturctor…… postProcessAfterInstantiation…… postProcessPropertyValues…… setService…… setBeanName…… setBeanClassLoader…… setBeanFactory…… postProcessBeforeInitialization…… afterPropertiesSet…… 初始化…… postProcessAfterInitialization…… 摧毁…spring bean生命周期事件
