
web.xml里面可以定义两种参数: (1)application范围内的参数,存放在servletcontext中,在web.xml中配置如下: context/param avalible during application (2)servlet范围内的参数,只能在servlet的init()方法中取得

web.xml里面可以定义两种参数: (1)application范围内的参数,存放在servletcontext中,在web.xml中配置如下: context/param avalible during application (2)servlet范围内的参数,只能在servlet的init()方法中取得