import java.io.*; import java.util.Enumeration; // Enumeration用に必要 import javax.servlet.*; import javax.servlet.http.*; public class GuestBook extends HttpServlet { @Override public void doPost(HttpServletRequest req, HttpServletResponse res) throws IOException { res.setContentType("text/html; charset=Windows-31J"); req.setCharacterEncoding("Windows-31J"); PrintWriter out = res.getWriter(); out.println("
"); try { File f = new File(getServletContext().getRealPath("Guests.html")); BufferedReader fin = new BufferedReader (new InputStreamReader(new FileInputStream(f), "Windows-31J")); File tmp = new File(getServletContext().getRealPath("tmp.html")); PrintWriter fout = new PrintWriter (new OutputStreamWriter(new FileOutputStream(tmp), "Windows-31J")); while (true) { String line = fin.readLine(); if (line.trim().equals("")) break; fout.println(line); } fout.println(""+left+" | "); fout.print(""+right+" | "); fout.print("