jsp代码实例第269课

code269.java

package pack07;

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

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

//SaveCookie
@WebServlet(name = "code269",urlPatterns = "/page10/pack07.code269")
public class code269 extends HttpServlet
{
  @Override
  protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
  {
    response.setContentType("text/html;charset=utf-8");
    PrintWriter out = response.getWriter();
    out.println("cookie <br>");
    Cookie cookie1 = new Cookie("temp","临时");
    response.addCookie(cookie1);

    Cookie cookie2 = new Cookie("cookie", "一般");
    cookie2.setMaxAge(0);
    response.addCookie(cookie2);

    Cookie cookie3 = new Cookie("user", "长久");
    cookie3.setMaxAge(60 * 3);
    cookie3.setPath("/");
    response.addCookie(cookie3);

    RequestDispatcher rd = this.getServletContext().getRequestDispatcher("/page10/pack07.code270");
    rd.include(request, response);
  }
}