package logan.spring.study.factoryBean;

public class Car {

    private String brand;

    private int price;

    public String getBrand() {

        return brand;

    }

    public void setBrand(String brand) {

        this.brand = brand;

    }

    public int getPrice() {

        return price;

    }

    public void setPrice(int price) {

        this.price = price;

    }

    @Override

    public String toString() {

        return "Car [brand=" + brand + ", price=" + price + "]";

    }

    public Car(String brand, int price) {

        super();

        this.brand = brand;

        this.price = price;

    }

}

package logan.spring.study.factoryBean;

import org.springframework.beans.factory.FactoryBean;

//自定义的FactoryBean需要实现FactoryBean接口

public class CarFactoryBean implements FactoryBean<Car>{

    private String brand;

    public void setBrand(String brand) {

        this.brand = brand;

    }

    //返回bean的对象

    @Override

    public Car getObject() throws Exception {

        // TODO Auto-generated method stub

        return new Car(brand,500000);

    }

    //返回Bean的类型

    @Override

    public Class<?> getObjectType() {

        // TODO Auto-generated method stub

        return Car.class;

    }

    @Override

    public boolean isSingleton() {

        // TODO Auto-generated method stub

        return true;

    }

}

<?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">

    <!-- 通过FactoryBean来配置Bean的实例

    class:指向FactoryBean的全类名

    property：配置FactoryBean的属性

    但实际上返回的实例却是FactoryBean的getObject()方法返回的实例

    -->

    <bean id="car" class="logan.spring.study.factoryBean.CarFactoryBean">

        <property name="brand" value="BMW"></property>

    </bean>

</beans>

五月 21, 2017 7:44:58 下午 org.springframework.context.support.ClassPathXmlApplicationContext prepareRefresh

信息: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@7aec35a: startup date [Sun May 21 19:44:58 CST 2017]; root of context hierarchy

五月 21, 2017 7:44:58 下午 org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions

信息: Loading XML bean definitions from class path resource [beans-beanfactory.xml]

Car [brand=BMW, price=500000]