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📄 cookieservlet.java

📁 是JSP、Servlet的一个示例程序
💻 JAVA
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/*
 * Created on 2005-3-4
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package test;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
//import javax.servlet.ServletRequest;
//import javax.servlet.ServletResponse;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @author yangbing
 * 
 * TODO To change the template for this generated type comment go to Window -
 * Preferences - Java - Code Style - Code Templates
 */
public class CookieServlet extends HttpServlet {

    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        //        if (request.getParameter("count") == null ||
        // request.getParameter("count").equals("")) {
        String id = request.getParameter("id");
        String name = request.getParameter("name");
        Cookie k = new Cookie("id", id);
		k.setMaxAge(200);
        response.addCookie(k);
        Cookie k2 = new Cookie("name", name);
		k.setMaxAge(200);
        response.addCookie(k2);
        response.setContentType("text/plain");
        /*
        String url = "/testweb/middle.jsp";
        String newurl=response.encodeRedirectURL(url);
        System.out.println(newurl);
        response.sendRedirect(newurl);
        */
        PrintWriter out = response.getWriter();
        out.print("<html><body>");
        out.print("<a href=\"link.co\">" + "test cookie</a>");
        out.print("</body></html>");
        out.close();
        //        }
    }

    /*
     * (non-Javadoc)
     * 
     * @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest,
     *      javax.servlet.http.HttpServletResponse)
     */
    protected void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException,
            IOException {
        Cookie[] cookies = req.getCookies();
        String id = null;
        String name = null;
        for (int i = 0; i < cookies.length; i++) {
            Cookie cookie = cookies[i];
            if (cookie.getName().equals("id")) {
                id = cookie.getValue();
            } else if (cookie.getName().equals("name")) {
                name = cookie.getValue();
            }
        }
        PrintWriter out = res.getWriter();
        out.print("<html><body>");
        out.println("<h2>Your ID:" + id);
        out.println("<h2>Your Name:" + name);
        out.print("</body></html>");
        out.close();
    }
}

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