Spring_通过Bean的Factory配置Bean

package com.tanlei.bean.FactoryBean;

import org.springframework.beans.factory.FactoryBean;



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;
    }

}

 //自定义的FactoryBean需要实现FactoryBean接口

 

 

<!--
通过FactoryBean来配置Bean的实例
class:指向FactoryBean的全类名
property:配置的是FactoryBean的属性,但实际返回的实例是FactoryBean的getObject()方法返回的实例
-->