📄 sessiondetails.java
字号:
package com.wrox.servlets;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class SessionDetails extends HttpServlet {
public void doGet(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
res.setContentType("text/html");
PrintWriter out = res.getWriter();
HttpSession session = req.getSession(true);
Integer count = (Integer) session.getAttribute("count");
if (count == null) {
count = new Integer(1);
} else {
count = new Integer(count.intValue() + 1);
}
session.setAttribute("count", count);
out.println("<html><head><title>SessionSnoop</title></head>");
out.println("<body><h1>Session Details</h1>");
out.println("<p>You've visited this page " + count
+ ((count.intValue() == 1) ? " time." : " times.</p>"));
out.println("<h3>Details of this session:</h3>");
out.println("<p>Session id: " + session.getId() + "</p>");
out.println("<p>New session: " + session.isNew() + "</p>");
out.println("<p>Timeout: " + session.getMaxInactiveInterval() + "</p>");
out.println("<p>Creation time: " + session.getCreationTime() + "</p>");
out.println("<p>Last access time: " + session.getLastAccessedTime()
+ "</p>");
out.println("</body></html>");
}
}
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