Servlet定时刷新和页面3秒后自动跳转

package com.itheima.servlet;

import java.io.IOException;
import java.util.Random;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class ServletDemo5 extends HttpServlet {

  public void doGet(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {
    
    response.setContentType("text/html;charset=UTF-8");
    /*response.setIntHeader("refresh", 1);//设置1秒钟刷新一次
    
    Random r = new Random();
    
    response.getWriter().write(r.nextInt()+"");*/
    
    response.getWriter().write("注册成功！3秒钟跳到主页");
    //设置3秒钟跳转
    response.setHeader("refresh", "3;url=/day09_00_HttpServletResponse/servlet/demo6");
  }

  public void doPost(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {
    doGet(request, response);
  }

}