來源：我的學(xué)習(xí)筆記

顯示頁面：我就放了一張圖片

代碼:

package servlet;

import java.io.IOException;

import java.io.PrintWriter;

import java.time.LocalTime;

import java.time.format.DateTimeFormatter;

import javax.servlet.DispatcherType;

import javax.servlet.RequestDispatcher;

import javax.servlet.ServletException;

import javax.servlet.annotation.WebServlet;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

/**

?* Servlet implementation class ShowTimeServlet

?*/

@WebServlet(name="showtimeservlet",urlPatterns = "/ShowTimeServlet")

public class ShowTimeServlet extends HttpServlet {

private static final long serialVersionUID = 1L;

? ? ? ?

? ? /**

? ? ?* @see HttpServlet#HttpServlet()

? ? ?*/

? ? public ShowTimeServlet() {

? ? ? ? super();

? ? ? ? // TODO Auto-generated constructor stub

? ? }

/**

* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)

*/

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

// TODO Auto-generated method stub

response.setContentType("text/html;charset=UTF-8");//設(shè)置MIME內(nèi)容類型為text/html

response.setHeader("Refresh", "3;http://localhost:8080/demo0424/display01.jsp");//告訴瀏覽器3秒刷新頁面并且跳轉(zhuǎn)其他頁面

PrintWriter out=response.getWriter();//輸出流

LocalTime now=LocalTime.now();//獲取當(dāng)前時(shí)間

DateTimeFormatter format=DateTimeFormatter.ofPattern("hh:mm:ss");//格式化

String t=now.format(format);//轉(zhuǎn)換成字符串

out.println("<p>現(xiàn)在的時(shí)間是："+t+"<p>");

out.println("<p>3秒后跳轉(zhuǎn)到顯示頁面<p>");

}

/**

* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)

*/

protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

// TODO Auto-generated method stub

}

}