Spring中BeanFactory和FactoryBean区别

直接看Spring源码:

package org.springframework.beans.factory;

public interface FactoryBean {
    T getObject() throws Exception;

    Class getObjectType();

    boolean isSingleton();
}

package org.springframework.beans.factory;

import org.springframework.beans.BeansException;
import org.springframework.beans.factory.NoSuchBeanDefinitionException;

public interface BeanFactory {
    String FACTORY_BEAN_PREFIX = "&";

    Object getBean(String var1) throws BeansException;

     T getBean(String var1, Class var2) throws BeansException;

     T getBean(Class var1) throws BeansException;

    Object getBean(String var1, Object... var2) throws BeansException;

    boolean containsBean(String var1);

    boolean isSingleton(String var1) throws NoSuchBeanDefinitionException;

    boolean isPrototype(String var1) throws NoSuchBeanDefinitionException;

    boolean isTypeMatch(String var1, Class var2) throws NoSuchBeanDefinitionException;

    Class getType(String var1) throws NoSuchBeanDefinitionException;

    String[] getAliases(String var1);
}


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