Spring三种实例化Bean的方式

待实例化的Bean

package org.zln.module.test2.service.impl;

import org.apache.log4j.Logger;
import org.zln.module.test2.service.PersonService;

/**
 * Created by coolkid on 2015/6/6 0006.
 */
public class PersonServiceBean implements PersonService {
    private Logger logger = Logger.getLogger(PersonServiceBean.class);
    @Override
    public void save(){
        logger.debug("我是save()方法");
    }

    /**
     * 静态工厂方法
     * @return 实例
     */
    public static PersonServiceBean getPersonServiceBean(){
        return new PersonServiceBean();
    }

    /**
     * 静态工厂方法
     * @return 实例
     */
    public PersonServiceBean getPersonServiceFactory(){
        return new PersonServiceBean();
    }
}

配置文件

<?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-2.5.xsd">

    <!--默认构造方法实例化-->
    <bean id="personService" class="org.zln.module.test2.service.impl.PersonServiceBean"/>
    <!--静态工厂方法实例化-->
    <bean id="personService2" class="org.zln.module.test2.service.impl.PersonServiceBean" factory-method="getPersonServiceBean"/>
    <!--实例工厂方法-->
    <bean id="personServiceFactory" class="org.zln.module.test2.service.impl.PersonServiceBean"/>
    <bean id="personService3" factory-bean="personServiceFactory" factory-method="getPersonServiceFactory"/>

</beans>