在Servlet与JSP中取得当前文件所在的相对路径与绝对路径

<%@ page contentType="text/html;charset=GBK"%><%@ page import="java.io.*" %><%//在Servlet与jsp(SUN企业级应用的首选)中取得当前文件所在的相对路径与绝对路径//jsp(SUN企业级应用的首选)中out.println("根目录所对应的绝对路径:" + request.getRequestURI() + "
");String strPathFile = application.getRealPath(request.getRequestURI());out.println("文件的绝对路径:" + strPathFile+ "
");out.println(application.getRealPath(request.getRequestURI()));String strDirPath = new File(application.getRealPath(request.getRequestURI())).getParent();out.println("目录的绝对路径:" + strDirPath + "
");%>//Servlet中//jsp(SUN企业级应用的首选)中的application对象就是Servlet中的ServerContext，所以在Servlet中是如此获得//import java.io.File;System.out.println("根目录所对应的绝对路径:" + request.getServletPath() + "
");String strPathFile = request.getSession().getServletContext().getRealPath(request.getRequestURI());System.out.println("文件的绝对路径:" + strPathFile + "
");String strDirPath = new File(request.getSession().getServletContext().getRealPath(request.getRequestURI())).getParent();System.out.println("目录的绝对路径:" + strDirPath + "
");文件名不能包括以下字符：/:*?"<>|