Session Technology-Displays the last access time for a user (17)

Package Com.ken.cookie;

Import java.io.IOException;
Import javax.servlet.ServletException;
Import Javax.servlet.http.Cookie;
Import Javax.servlet.http.HttpServlet;
Import Javax.servlet.http.HttpServletRequest;

Import Javax.servlet.http.HttpServletResponse;

	public class Getcookieservlet extends HttpServlet {private static final long serialversionuid = 1L;

		protected void doget (HttpServletRequest request, httpservletresponse response) throws Servletexception, IOException {

		Obtaining data for cookies carried by the client cookie[] cookies = request.getcookies ();
			Obtain the desired cookie by the cookie name for (cookie cookie:cookies) {//Get the name of the cookie String cookiename = Cookie.getname ();
				if (cookiename.equals ("name")) {//Gets the value of the cookie String cookievalue = Cookie.getvalue ();
			System.out.println (Cookievalue); }}} protected void DoPost (HttpServletRequest request, httpservletresponse response) throws Servletexception, IOE
	xception {doget (request, response); }
}

Operation Result:

Show user's last access time:

Package com.ken.lastAccessTime;
Import java.io.IOException;
Import Java.text.SimpleDateFormat;

Import Java.util.Date;
Import javax.servlet.ServletException;
Import Javax.servlet.http.Cookie;
Import Javax.servlet.http.HttpServlet;
Import Javax.servlet.http.HttpServletRequest;

Import Javax.servlet.http.HttpServletResponse;

	public class Lastaccesstimeservlet extends HttpServlet {private static final long serialversionuid = 1L;

		protected void doget (HttpServletRequest request, httpservletresponse response) throws Servletexception, IOException {
		Gets the current time date date = new Date ();
		SimpleDateFormat format = new SimpleDateFormat ("Yyyy-mm-dd hh:mm:ss");

		String currenttime = Format.format (date);
		1. Create a cookie that records the current latest access time cookie cookie = new Cookie ("LastAccessTime", currenttime);
		Cookie.setmaxage (60 * 10 * 500);

		Response.addcookie (cookie);
		2. Obtain the cookie that the client carries-----lastaccesstime String lastaccesstime = null;
		cookie[] cookies = request.getcookies (); if (cookies!)= null) {for (Cookie coo:cookies) {if (Coo.getname (). Equals ("LastAccessTime")) {LastAccessTime = Coo.getv
				Alue ();
		}}} response.setcontenttype ("Text/html;charset=utf-8");
		if (LastAccessTime = = null) {Response.getwriter (). Write ("You are the first to visit");
		} else {response.getwriter (). Write ("Your last access Time was:" + currenttime); }} protected void DoPost (HttpServletRequest request, httpservletresponse response) throws Servletexception, Ioexcep
	tion {doget (request, response); }
}