jsp验证集群的项目包。
项目名称随意，我的项目包以jiaozhenqing命名。
目录结构：
———————————————————————————————-
jiaozhenqing—
—index.jsp
—WEB-INF(文件夹)—-web.xml
———————————————————————————————-
index.jsp
———————————————————————————————-
<%@ page import=”java.util.ArrayList”%>
<%
response.setHeader(“Cache-Control”, “no-cache”);
String answer = (String) session.getAttribute(“answer”);
ArrayList guesses = (ArrayList) session.getAttribute(“guesses”);
String lastGuess = request.getParameter(“guess”);
boolean start = (lastGuess == null);
boolean correct = false;
String display = “”;
int count = 0;
if (start) {
System.out.println(“Starting a new GuessANumber game”);
int random = new java.util.Random(System.currentTimeMillis()).nextInt(100) + 1;
answer = new Integer(random).toString();
session.setAttribute(“answer”, answer);
session.setAttribute(“guesses”, new ArrayList());
session.setAttribute(“count”, new Integer(0));
}
else {
if (lastGuess.trim().length() == 0) {
lastGuess = “(blank)”;
}
count = ((Integer) session.getAttribute(“count”)).intValue() + 1;
System.out.println(“Guess ” + count + “; User guessed ” + lastGuess);
if (answer.equals(lastGuess.trim())) {
correct = true;
start = true;
int random = new java.util.Random(System.currentTimeMillis()).nextInt(100) + 1;
answer = new Integer(random).toString();
session.setAttribute(“answer”, answer);
session.setAttribute(“guesses”, new ArrayList());
session.setAttribute(“count”, new Integer(0));
}
else {
guesses.add(lastGuess);
if (guesses.size() > 3)
guesses.remove(0);
for (int i = 0; i < guesses.size(); i++) {
if (i > 0)
display += “, “;
display += guesses.get(i);
}
// OPTIONAL FIXME make things work correctly with replication-trigger SET
session.setAttribute(“count”, new Integer(count));
}
}
%>
<html>
<head>
<title>www.jiaozhenqing.cn</title>
</head>
<body bgcolor=”white”>
<center>
<hr>
<font size=5> Please Guess A Number Between 1 and 100: </font>
<br>
<form method=GET action=index.jsp>
<br>
<%
if (correct) {
%>
<font size=4><font color=”red”>Correct!</font> (took <%= count %> guesses)<br>Start another game?</font>
<%
}
%>
<br>
<br>
<font size=4>Guess: <input type=text name=”guess” size=5></font>
<br>
<br>
<input type=submit name=action value=”Submit”>
<%
if (start == false) {
%>
<br>
<br>
<font size=4>Three Most Recent Guesses: <%= display %><br>
Guess count: <%= count %>
</font>
<%
}
%>
</form>
<hr>
</center>
</body>
</html>
———————————————————————————————-
web.xml
———————————————————————————————-
<?xml version=”1.0″ encoding=”ISO-8859-1″?>
<web-app>
<description>jiaozhenqing</description>
<distributable/>
</web-app>
———————————————————————————————-
———————————————————————————————-