对BeanFactory的初步认识

对BeanFactory的初步认识

对BeanFactory的基本三种实例化
1.

1 InputStream is  = new  FilenInputSteam( " bean.xml " )
2 XmlBeanFactory factory = new  XmlBeanFactory(is);

2.

Resource rs = new  ClassPathResource( " beans.xml " );
BeanFactory factory = new  XmlBeanFactory(rs);

3.

ApplicationContext ct = new  ClassPathXmlApplication( " beans.xml " );