<?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="car" class="comcycle.Car"

        init-method="init"         destroy-method="destory"     >     <property name="bind" value="bind"></property>     </bean>     <!-- 配置bean 的后置处理器 -->     <bean id="myposter" class="com.main.myBeanPostProcessor"></bean> </beans>  

package com.main;

import org.springframework.beans.BeansException;

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

import comcycle.Car;

public class myBeanPostProcessor implements BeanPostProcessor {

    @Override

    public Object postProcessAfterInitialization(Object arg0, String arg1) throws BeansException {         System.out.println("postProcessAfterInitialization" + "------------>" + arg1);         // 初始化后改变bean的属性值         Car car = new Car();         car.setBind("BMW");         return car;     }

    @Override

    public Object postProcessBeforeInitialization(Object arg0, String arg1) throws BeansException {         System.out.println("postProcessBeforeInitialization" + "------------>" + arg1);         return arg0;     }

}

 

 

 

 

package comcycle;

public class Car {

         private String bind;

    public Car() {

        System.out.println("构造函数初始化");     }          public void setBind(String bind) {         this.bind = bind;         System.out.println("Bind 方法被调用");     }          public void init(){         System.out.println("init......");     }          public void destory() {         System.out.println("destory.....");     }

    @Override

    public String toString() {         return "Car [bind=" + bind + "]";     }

}

 

 

 

package com.main;

import org.springframework.context.ApplicationContext;

import org.springframework.context.support.AbstractApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext;

import comcycle.Car;

public class Cycle {

    public static void main(String[] args) {         ApplicationContext ctx = new ClassPathXmlApplicationContext("cycle.xml");         Car car = (Car) ctx.getBean("car");         System.out.println(car);         ((AbstractApplicationContext) ctx).close();     } }  

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