• java/jsp获取当前路径的几种方法


    本文结合个人实验与网上资料整合@http://blog.csdn.net/snannan_268/article/details/5511614


    String path = new File(application.getRealPath(request.getServletPath() )).getParent();   //路径获取jsp文件绝对路径


    jsp亲测

    --ROOT/player.jsp

    <%@page language="java" contentType="text/html;charset=utf-8"%>
    
    <%@page language="java" contentType="text/html;charset=utf-8" pageEncoding="utf-8"%>
    <%@page import="java.io.*"%>
    
    <%
    String path = new File(application.getRealPath(request.getServletPath() )).getParent();   //路径
    out.println(path+"    "+request.getServletPath()+"<br/>" );
    out.println(System.getProperty("user.dir")+"<br/>");
     out.println("-------------------------<br/>");
    File directory = new File("");//设定为当前文件夹 
    
        out.println(directory.getCanonicalPath()+"<br/>");//获取标准的路径 
        out.println(directory.getAbsolutePath()+"<br/>");//获取绝对路径 
     out.println("-------------------------<br/>");
    directory = new File("abc"); 
     out.println(directory.getCanonicalPath()+"<br/>");//获取标准的路径 
        out.println(directory.getAbsolutePath()+"<br/>");//获取绝对路径 
     out.println(directory.getPath()+"<br/>");//获取标准的路径 
     out.println("-------------------------<br/>");
    directory = new File("."); 
    out.println(directory.getCanonicalPath()+"<br/>");//获取标准的路径 
        out.println(directory.getAbsolutePath()+"<br/>");//获取绝对路径 
     out.println(directory.getPath()+"<br/>");//获取标准的路径 
     out.println("-------------------------<br/>");
    directory = new File(".."); 
    out.println(directory.getCanonicalPath()+"<br/>");//获取标准的路径 
     out.println(directory.getAbsolutePath()+"<br/>");//获取绝对路径 
     out.println(directory.getPath()+"<br/>");//获取标准的路径 
     
     out.println("-------------------------<br/>");//<span style="color: rgb(51, 51, 51); font-family: Arial; font-size: 14px; line-height: 26px;">.jsp中取得路径:</span><span style="color: rgb(51, 51, 51); font-family: Arial; font-size: 14px; line-height: 26px;">3.在Servlet中取得路径: </span>
     
     out.println(request.getRequestURI() +"<br/>");
     out.println(request.getContextPath() +"<br/>");
     out.println(request.getServletPath() +"<br/>");
     out.println(application.getRealPath("player.jsp") +"<br/>");
     out.println(new File(application.getRealPath(request.getRequestURI())).getParent() +"<br/>");
     out.println(request.getSession().getServletContext().getRealPath("") +"<br/>");<span style="font-family: Arial;">//3.在Servlet中取得路径: </span>
     out.println(request.getRequestURL() +"<br/>");
    
    %>
    

    结果如下

    F:WebSpaceJ2EEwebwebappsROOT /player.jsp
    C:UsersFuChenD
    -------------------------
    C:UsersFuChenD
    C:UsersFuChenD
    -------------------------
    C:UsersFuChenDabc
    C:UsersFuChenDabc
    abc
    -------------------------
    C:UsersFuChenD
    C:UsersFuChenD.
    .
    -------------------------
    C:Users
    C:UsersFuChenD..
    ..
    -------------------------
    /player.jsp
    
    /player.jsp
    null
    F:WebSpaceJ2EEwebwebappsROOT
    F:WebSpaceJ2EEwebwebappsROOT
    http://www.lovedxy.com:8080/player.jsp


    --G:/Media/player.jsp

    </pre>结果如下<p></p><p></p><pre name="code" class="html">G:Media /player.jsp
    C:UsersFuChenD
    -------------------------
    C:UsersFuChenD
    C:UsersFuChenD
    -------------------------
    C:UsersFuChenDabc
    C:UsersFuChenDabc
    abc
    -------------------------
    C:UsersFuChenD
    C:UsersFuChenD.
    .
    -------------------------
    C:Users
    C:UsersFuChenD..
    ..
    -------------------------
    /Media/player.jsp
    /Media
    /player.jsp
    null
    G:MediaMedia
    G:Media
    http://www.lovedxy.com:8080/Media/player.jsp

    --G:/Media/四大名著之三国演义/player.jsp

    </pre>结果如下<p></p><p></p><pre name="code" class="html">G:Media四大名著之三国演义 /四大名著之三国演义/player.jsp
    C:UsersFuChenD
    -------------------------
    C:UsersFuChenD
    C:UsersFuChenD
    -------------------------
    C:UsersFuChenDabc
    C:UsersFuChenDabc
    abc
    -------------------------
    C:UsersFuChenD
    C:UsersFuChenD.
    .
    -------------------------
    C:Users
    C:UsersFuChenD..
    ..
    -------------------------
    /Media/%E5%9B%9B%E5%A4%A7%E5%90%8D%E8%91%97%E4%B9%8B%E4%B8%89%E5%9B%BD%E6%BC%94%E4%B9%89/player.jsp
    /Media
    /四大名著之三国演义/player.jsp
    null
    G:MediaMedia\%E5%9B%9B%E5%A4%A7%E5%90%8D%E8%91%97%E4%B9%8B%E4%B8%89%E5%9B%BD%E6%BC%94%E4%B9%89
    G:Media
    http://www.lovedxy.com:8080/Media/%E5%9B%9B%E5%A4%A7%E5%90%8D%E8%91%97%E4%B9%8B%E4%B8%89%E5%9B%BD%E6%BC%94%E4%B9%89/player.jsp



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  • 原文地址:https://www.cnblogs.com/xianyadan/p/6523036.html
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