JSP获取根目录
commom.jsp
<%@page import="java.io.*" %>
<%
String fileName = application.getRealPath(request.getRequestURI());
String rootPath = new File(new File(fileName).getParent()).getParent();
%>
commom.jsp
<%@page import="java.io.*" %>
<%
String fileName = application.getRealPath(request.getRequestURI());
String rootPath = new File(new File(fileName).getParent()).getParent();
%>
