BeanFactory，以Factory结尾，表示它是一个工厂类(接口)，用于管理Bean的一个工厂。在Spring中，BeanFactory是IOC容器的核心接口，它的职责包括：实例化、定位、配置应用程序中的对象及建立这些对象间的依赖。(BeanFactory, ending with Factory, indicates that it is a factory class (Interface) that is used to manage a factory of Bean. In Spring, BeanFactory is the core interface of the IOC container, and its responsibilities include: instantiating, locating, configuring objects in the application and establishing the dependencies between these objects.)