spring学习笔记整理--03(Spring的三种实例化Bean的方式)

三.使用实例工厂方法实例化

PersonServiceFactory :
package cn.service.impl;

public class PersonServiceFactory {

public PersonServiceImpl createPersonServiceImpl(){
return new PersonServiceImpl();
}
}
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<?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"> 
<bean id="personServiceFactory" class="cn.service.impl.PersonServiceFactory"></bean>
<bean id="personService" factory-bean="personServiceFactory" factory-method="createPersonServiceImpl"></bean>

</beans>
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package junit.test;

import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import commons.tz.TzClassPathXmlApplicationContext;

import cn.service.PersonService;

public class Spring02Test {

@Test
public void instanceSping() {
ApplicationContext ctx = new ClassPathXmlApplicationContext("beans.xml");
PersonService personService = (PersonService) ctx.getBean("personService");
personService.save();
}
}