spring如何通过FactoryBean配置Bean
发布时间:2020-12-15 00:31:54 所属栏目:Java 来源:网络整理
导读:这篇文章主要介绍了spring如何通过FactoryBean配置Bean,文中通过示例代码介绍的非常详细,对大家的学习或者工作具有一定的参考学习价值,需要的朋友可以参考下 Car.java package com.gong.spring.beans.factoryBean;public class Car { private String name;
这篇文章主要介绍了spring如何通过FactoryBean配置Bean,文中通过示例代码介绍的非常详细,对大家的学习或者工作具有一定的参考学习价值,需要的朋友可以参考下 Car.java package com.gong.spring.beans.factoryBean; public class Car { private String name; private double price; public String getName() { return name; } public void setName(String name) { this.name = name; } public double getPrice() { return price; } public void setPrice(double price) { this.price = price; } public Car(String name,double price) { super(); this.name = name; this.price = price; } @Override public String toString() { return "Car [name=" + name + ",price=" + price + "]"; } } CarFactoryBean.java package com.gong.spring.beans.factoryBean; import org.springframework.beans.factory.FactoryBean; public class CarFactoryBean implements FactoryBean<Car> { private String name; public void setName(String name) { this.name = name; } //返回Bean的对象 @Override public Car getObject() throws Exception { // TODO Auto-generated method stub return new Car(name,200000); } //返回bean的类型 @Override public Class<?> getObjectType() { // TODO Auto-generated method stub return Car.class; } //是否是单例 @Override public boolean isSingleton() { // TODO Auto-generated method stub return true; } } beans-factoryBean.xml <?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="com.gong.spring.beans.factoryBean.CarFactoryBean"> <property name="name" value="baoma"></property> </bean> </beans> Main.java package com.gong.spring.beans.factoryBean; import org.springframework.context.support.ClassPathXmlApplicationContext; public class Main { public static void main(String[] args) { //1.创建spring的IOC容器对象 ClassPathXmlApplicationContext ctx = new ClassPathXmlApplicationContext("beans-factoryBean.xml"); //2.从容器中获取Bean实例 Car car = (Car) ctx.getBean("car"); System.out.println(car.toString()); ctx.close(); } } 输出: 以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持我们。 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |