path.jsp

1.大小写金额转换.java 2.用JAVA程序取得IP地址 3.在Servlet与JSP中取得当前文件所在的相对路径与绝对路径 4.加密解密算法 5.JSP中文乱码.pdf

<%@ 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() + "<br/>");
  
  String strPathFile = application.getRealPath(request.getRequestURI());
  out.println("文件的绝对路径:" + strPathFile+ "<br/>");
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 + "<br/>");
%>

  //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() + "<br/>");

String strPathFile = request.getSession().getServletContext().getRealPath(request.getRequestURI());
System.out.println("文件的绝对路径:" + strPathFile + "<br/>");

String strDirPath = new File(request.getSession().getServletContext().getRealPath(request.getRequestURI())).getParent();
System.out.println("目录的绝对路径:" + strDirPath + "<br/>");

  文件名不能包括以下字符：\/:*?"<>|
http://iamin.blogdriver.com/iamin/504475.html

package io;

import java.net.URL;

/**
* <p>Title: 在类中取得当前文件所在的相对路径与绝对路径</p>
*
* <p>Description: 在类中取得当前文件所在的相对路径与绝对路径</p>
*
* <p>Copyright: Copyright (c) 1997 - 2005</p>
*
* <p>Company: Beyond DayBreak Office</p>
*
* @author YuLimin
* @version 1.0
*/
public class GetClassPath
{
    public GetClassPath()
    {
        super();
    }

    /**
     * main
     *
     * @param args String[]
     */
    public static void main(String[] args)
    {
        GetClassPath getclasspath = new GetClassPath();
        System.out.println(getclasspath.getClassPath());
    }

    /**
     * 在类中取得当前文件所在的相对路径与绝对路径
     *
     * @return String
     */
    public String getClassPath()
    {
        String strClassName = getClass().getName();
        String strpackageName = "";
        if(getClass().getpackage() != null)
        {
            strpackageName = getClass().getpackage().getName();
        }
        System.out.println("ClassName:" + strClassName);
        System.out.println("packageName:" + strpackageName);

        String strClassFileName = "";
        if(!"".equals(strpackageName))
        {
            strClassFileName = strClassName.substring(strpackageName.length() + 1,strClassName.length());
        }
        else
        {
            strClassFileName = strClassName;
        }
        System.out.println("ClassFileName:" + strClassFileName);

        URL url = null;
        url = getClass().getResource(strClassFileName + ".class");
        String strURL = url.toString();
        strURL = strURL.substring(strURL.indexOf( / ) + 1,strURL.lastIndexOf( / ));
        return strURL;
    }
}