1<context-param> <param-name> contextConfigLocation</param-name> <param-value> /WEB-INF/acegi/acegi-appContext.xml</param-value> </context-param> //在web启动时文件配置信息放在contextConfigLocation <listener> <listener-class> org.springframework.web.context.ContextLoaderListener</listener-class> </listener> //在web启动时读取contextConfigLocation得到配置文件信息，生成BeanFactory放在servletContet中
