在Servlet与JSP中取得当前文件所在的相对路径与绝对路径

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<%@ page contentType="text/html;charset=GBK"%>
<%@ page import="java.io.*" %>
<%
  //在Servlet与JSP中取得当前文件所在的相对路径与绝对路径
  
  //JSP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 + "
");

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