漂亮的servlet-acquire cookies

package com11;import java.io.IOException;import java.io.PrintWriter;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;/** * Servlet implementation class secookie */@WebServlet("/secookie")public class secookie extends HttpServlet {    private static final long serialVersionUID = 1L;    /**     * @see HttpServlet#HttpServlet()     */    public secookie() {        super();        // TODO Auto-generated constructor stub    }    /**     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)     */    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {        doPost(request,response);        String user=request.getParameter("username");        System.out.print(user);        response.setContentType("text/html;charset=gbk");         PrintWriter out1 = response.getWriter();         Cookie[] coo2=request.getCookies();         for(int i=0;i<coo2.length;i++){             System.out.println(coo2[i].getName()+"---"+coo2[i].getValue());        out1.println(coo2[i].getName()+"---"+coo2[i].getValue());}         //out1.flush();         //out1.close();    }    /**     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)     */    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {    }}