📄 guestbook.jsp
字号:
<%@ page import="java.util.*,java.io.*" %>
<html>
<head>
<title>Visitors Who Signed our Guestbook</title>
</head>
<body>
<h3>Visitors Who Signed our Guestbook</h3>
<%
String id = request.getParameter("id");
boolean noSignatures = true;
try {
String filename = application.getRealPath(id + ".gbf");
FileReader file = new FileReader(filename);
BufferedReader buff = new BufferedReader(file);
boolean eof = false;
while (!eof) {
String entry = buff.readLine();
if (entry == null)
eof = true;
else {
StringTokenizer entryData = new StringTokenizer(entry, "^");
String name = (String) entryData.nextElement();
String email = (String) entryData.nextElement();
String url = (String) entryData.nextElement();
String entryDate = (String) entryData.nextElement();
String ip = (String) entryData.nextElement();
String comments = (String) entryData.nextElement();
out.print("<p>From: " + name);
if (!email.equals("None"))
out.println(" <" + email + "><br>");
else
out.println("<br>");
if (!url.equals("None"))
out.println("Home Page: <a href=\"" + url + "\">" + url + "</a><br>");
out.println("Date: " + entryDate + "<br>");
out.println("IP: " + ip);
out.println("<blockquote>");
out.println("<p>" + comments);
out.println("</blockquote>");
noSignatures = false;
}
}
buff.close();
} catch (IOException e) {
out.println("<p>This guestbook could not be read because of an error.");
log("Guestbook Error: " + e.toString());
}
if (noSignatures)
out.println("<p>No one has signed our guestbook yet.");
%>
<h3>Sign Our Guestbook</h3>
<form method="POST" action="guestbookpost.jsp">
<table border="0" cellpadding="5" cellspacing="0" width="100%">
<tr>
<td width="15%" valign="top" align="right">Your Name:</td>
<td width="50%"><input type="text" name="name" size="40"></td>
</tr>
<tr>
<td width="15%" valign="top" align="right">Your E-mail Address:</td>
<td width="50%"><input type="text" name="email" size="40"></td>
</tr>
<tr>
<td width="15%" valign="top" align="right">Your Home Page:</td>
<td width="50%"><input type="text" name="url" size="40"></td>
</tr>
<tr>
<td width="15%" valign="top" align="right">Your Comments:</td>
<td width="50%"><textarea rows="6" name="comments" cols="40"></textarea></td>
</tr>
</table>
<p align="center"><input type="submit" value="Submit" name="B1">
<input type="reset" value="Reset" name="Reset"></p>
<input type="hidden" name="id" value="<%= id %>">
</form>
</body>
</html>
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