public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String output = "";
String fileName = request.getSession().getServletContext().getRealPath(
"/")
+ "WEB-INF/conf/ff.txt";
fileName = fileName.replace("\\", "/");
System.out.println(fileName);
File file = new File(fileName);
try {
BufferedReader input = new BufferedReader(new FileReader(file));
StringBuffer buffer = new StringBuffer();
String text;
while ((text = input.readLine()) != null)
buffer.append(text + "\n");
output = buffer.toString();
} catch (IOException ioException) {
System.err.println("File Error!");
}
request.setAttribute("output", output);
request.getRequestDispatcher("/WEB-INF/jsp/FileDemo.jsp").forward(
request, response);
}