jsp教程 servlet cookie 遍历代码

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

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 Cookies extends HttpServlet {
  public void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException,
      IOException {
    resp.setContentType("text/html");
    req.getSession();
    PrintWriter out = resp.getWriter();
    Cookie cookies[] = req.getCookies();
    out.println("");
    out.println("");
    out.println("");
    out.println("");
    out.println("");

    if ((cookies == null) || (cookies.length == 0)) {
      out.println("

No Cookies found

");
    } else {

      out.println("

Cookies found

");
      for (int i = 0; i < cookies.length; i++) {
        Cookie c = cookies[i];
        out.println(c.getName() + "::" + c.getValue() + "::"
            + c.getComment() + "::" + c.getMaxAge() + "
");
      }

      out.println("

");
    }
    out.println("");
    out.println("");
    out.flush();
  }
}