package org.smart4j.chapter1;

import javax.servlet.ServletException;

import javax.servlet.annotation.WebServlet;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import java.io.IOException;

import java.text.DateFormat;

import java.text.SimpleDateFormat;

import java.util.Date;

/**

 * Created by wgc on 2015/12/15.

 */

@WebServlet("/hello")

public class HelloServlet extends HttpServlet {

    @Override

    protected void doGet(HttpServletRequest request, HttpServletResponse response)

            throws ServletException, IOException {

        DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

        String currentTime = dateFormat.format(new Date());

        request.setAttribute("currentTime", currentTime);

        request.getRequestDispatcher("/WEB-INF/jsp/hello.jsp").forward(request, response);

    }

}

<%@ page contentType="text/html;charset=UTF-8" language="java" %>

<html>

<head>

    <title>Hello</title>

</head>

<body>

<h1>Hello!</h1>

<h2>当前时间：${currentTime}</h2>

</body>

</html>