giftservlet.java

来自「USB设计的一些源码!适合与USB开发的同学!还是蛮不错的!我用过一些!」· Java 代码 · 共 57 行

JAVA
57
字号
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import java.sql.*;

public class GiftServlet extends HttpServlet
{
	public void service(HttpServletRequest req, HttpServletResponse res) throws IOException
	{
	boolean cookieFound=false;
	Cookie myCookie=null;
	Cookie[] cookieset=req.getCookies();
	res.setContentType("text/html");
	PrintWriter pw=res.getWriter();
	if(cookieset!=null)
	{
	
	pw.println("<HTML>");
	pw.println("<BODY>");
	for (int i=0;i<cookieset.length;i++)
	{
		System.out.println(cookieset[i].toString());
		if (cookieset[i].getName().equals("logincount"))	
		{
			System.out.println("find");
			cookieFound=true;
			myCookie=cookieset[i];
		}
	}
}
	if (cookieFound)
	{
		int temp=Integer.parseInt(myCookie.getValue());
		temp++;
		if (temp==5)
		 pw.println("Congratulations!!!!!!!!!!!!!!!!!!!, a gift is awaiting you");
		pw.println("The number of times you have logged in is:  "+String.valueOf(temp));
		myCookie.setValue(String.valueOf(temp));
		int age=60*60*24*30;
		myCookie.setMaxAge(age);
		res.addCookie(myCookie);
		cookieFound=false;
	}			
	else
	{
		int temp=1;
		pw.println("This is the first time you have logged on to the server");
		myCookie=new Cookie("logincount",String.valueOf(temp));
		int age=60*60*24;
		myCookie.setMaxAge(age);
		res.addCookie(myCookie);
	}
	pw.println("</BODY>");
	pw.println("</HTML>");
        }
}

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