Bean的整个生命周期

Step1:执行无参构造
Step2执行setter
Step2执行setter
Step3:获取到bean的id:myService
Step4:获取到beanFactory容器 
Step5:执行---before---()方法
Step6:Bean初始化完毕了
Step7:初始化完毕之后
Step8:执行---after---()方法
ִStep9:执行doSome()
Step10:实现接口的销毁之前

Step11:销毁之前 

package com.gqc.ba07;

import org.junit.Test;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.context.ApplicationContext;
package com.gqc.ba07;

import org.junit.Test;
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.context.support.FileSystemXmlApplicationContext;
import org.springframework.core.io.ClassPathResource;



public class MyTest {

		@Test
		public void test01() {
			//创建容器对象 加载Spring 配置文件
			String resource = "com/gqc/ba07/appliactionContext.xml";
			ApplicationContext ac=new ClassPathXmlApplicationContext(resource);
			ISomeService service = (ISomeService)ac.getBean("myService");
			service.doSome();
			//对于销毁方法的执行 有两个条件 
			//1、当前的bean 是singleton的
			//2、需要关闭容器 
			((ClassPathXmlApplicationContext)ac).close();
		}
		
}

import org.springframework.context.support.ClassPathXmlApplicationContext;import org.springframework.context.support.FileSystemXmlApplicationContext;import org.springframework.core.io.ClassPathResource;public class MyTest {@Testpublic void test01() {//创建容器对象 加载Spring 配置文件String resource = "com/gqc/ba07/appliactionContext.xml";ApplicationContext ac=new ClassPathXmlApplicationContext(resource);ISomeService service = (ISomeService)ac.getBean("myService");service.doSome();//对于销毁方法的执行 有两个条件 //1、当前的bean 是singleton的//2、需要关闭容器 ((ClassPathXmlApplicationContext)ac).close();}}
 
  



		
		 
		 
		
		
		 
		
		
		

 package com.gqc.ba07;

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;

import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanPostProcessor;

import sun.print.resources.serviceui;

public class MyBeanPostProcessor implements BeanPostProcessor {

	//bean 表示当前正在初始化的对象
	//beanName 表示当前正在初始化的bean对象的id
	@Override
	public Object postProcessBeforeInitialization(Object bean, String beanName)
			throws BeansException {
			System.out.println("Step5:执行---before---()方法");
		return bean;
	}

	@Override
	public Object postProcessAfterInitialization(final Object bean, String beanName)
			throws BeansException {
		System.out.println("Step8:执行---after---()方法");
		
		return bean;
	}

}

package com.gqc.ba07;

public interface ISomeService {
	void doSome();
}


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