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BeanFactory ​

BeanFactory与ApplicationContext ​

  • BeanFactory 是 ApplicationContext 父接口
  • BeanFactory 是 Spring 的核心容器，ApplicationContext 实行组合了它的功能

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getBean 由 BeanFactory 实现

java
public Object getBean(String name) throws BeansException {
    this.assertBeanFactoryActive();
    return this.getBeanFactory().getBean(name);
}