j2ee web获取路径String prefix getServletContext().getRealPath(/)String file getInitParameter
j2ee web获取路径
String prefix = getServletContext().getRealPath("/");String file = getInitParameter("log4j-init-file");prefix is D:\apache-tomcat-6.0.18\webapps\RenRenBrushWeb\prefix is D:\apache-tomcat-6.0.18\webapps\RenRenBrushWeb\