杂项:地址，日期

来源：互联网发布：快搜知乎编辑：程序博客网时间：2024/06/17 12:12

import java.io.File;import java.io.IOException;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 PathCreate */@WebServlet(name="PathCreate", urlPatterns={"/PathCreate"})public class PathCreate extends HttpServlet {private static final long serialVersionUID = 1L;               public PathCreate() {        super();            }    private static final String UPLOAD_DIRECTORY = "upload";protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {response.getWriter().append("Served at: ").append(request.getContextPath());response.getWriter().println("<br>");response.getWriter().append(getServletContext().getRealPath(""));String uploadPath = "D:" + File.separator + UPLOAD_DIRECTORY;//String uploadPath = getServletContext().getRealPath("")        //+ File.separator + UPLOAD_DIRECTORY; File uploadDir = new File(uploadPath);        if (!uploadDir.exists()) {            uploadDir.mkdir();            //文件夹不用try        }}protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {response.getWriter().println("post");}}

两种date

<%@ page import="java.io.*,java.util.*" %><%@ page import="javax.servlet.*,java.text.*" %><html><head><title>Display Current Date & Time</title></head><body><center><h1>Display Current Date & Time</h1></center><%   Date dNow = new Date( );   SimpleDateFormat ft =    new SimpleDateFormat ("E yyyy.MM.dd 'at' hh:mm:ss a zzz");   out.print( "<h2 align=\"center\">" + ft.format(dNow) + "</h2>");%><p>   Today's date: <%= (new java.util.Date()).toLocaleString()%></p></body></html>

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