<%@ page contentType="text/html; charset=utf8"
language="java" import="java.io.*" errorPage="" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf8">
<title>Get Paths</title>
</head>
<body>
当前WEB应用的物理路径：<%=application.getRealPath("/")%><BR><hr>
当前你求请的JSP文件的物理路径：<%=application.getRealPath(request.getRequestURI())%><BR><hr>
<%
String path=application.getRealPath(request.getRequestURI());
String dir=new File(path).getParent();
out.println("当前JSP文件所在目录的物理路径"+dir+"<br><hr><p>");
String realPath1 = "http://" + request.getServerName() + ":" + request.getServerPort() + request.getContextPath()+request.getServletPath().substring(0,request.getServletPath().lastIndexOf("/")+1);
out.println("web URL 路径:"+realPath1+"<br><hr>");
String realPath2 = request.getContextPath();
out.println("getContextPath: "+realPath2+"<br><hr>");
String realPath3 = request.getServletPath().substring(0,request.getServletPath().lastIndexOf("/")+1);
out.println("getServletPath: "+realPath3);
%>
</body>
</html> 执行结果：
当前WEB应用的物理路径：F:\115Synchronization\code save\JSP\
当前你求请的JSP文件的物理路径：F:\115Synchronization\code save\JSP\web\web\src\fundation\getPath.jsp
当前JSP文件所在目录的物理路径F:\115Synchronization\code save\JSP\web\web\src\fundation
web URL 路径:http://localhost:8080/web/web/src/fundation/
getContextPath: /web
getServletPath: /web/src/fundation/