该hello2应用程序是一个Web模块,它使用Java Servlet技术来显示问候语和响应.使用文本编辑器查看应用程序文件,也可以使用NetBeans IDE. 此应用程序的源代码位于 _tut-install_/examples/web/servlet/hello2/目录中. 以下直接在源码中通过代码注释来解释源码: 1.GreetingServlet.java源码文件: @WebServlet("/greeting") //以@WebServlet注释开头,注释指定相对于上下文根…

hello2应用程序是一个web模块,它使用Java Servlet技术来显示问候和响应.此应用程序的源代码位于 _tut-install_/examples/web/servlet/hello2/目录中. GreetingServlet.java /** * Copyright (c) 2014 Oracle and/or its affiliates. All rights reserved. * * You may not modify, use, reproduce, or distri…

GreetingServlet.java @WebServlet("/greeting") //为servelt指定URL pattern为:/greeting public class GreetingServlet extends HttpServlet { @Override //注解,对子类的方法进行重写 public void doGet(HttpServletRequest request, //扩展HttpServelt,重写doGet方法 HttpServletResp…

在example目录下的web\servlet\hello2\src\main\java\javaeetutorial\hello2路径里可以找到hello2的GreetingServlet.java和ResponseServlet.java. GreetingServlet.java(显示问候页面表单) package javaeetutorial.hello2; import java.io.IOException; //IOException表示发生某种I/O异常的信号.此类是由失败或中断…

Hello2 应用程序是一个 Web 模块,它使用 Java Servlet 技术来显示问候语和响应,使用的是 Java Servlet 技术. 该应用程序源代码在 tutorial-examples\web\servlet\hello2\src\main\java\javaeetutorial\hello2 下,分别为:GreetingServlet.java和ResponseServlet.java 此 servlet 重写该 doGet 方法,实现 GET HTTP 方法.servlet…

首先,我们先来看一看这一段的整体代码, 代码如下: @WebServlet("/greeting") public class GreetingServlet extends HttpServlet { @Override public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setConten…

翻译自:http://www.pixelbeat.org/docs/openstack_libvirt_images/ The main stages of a Virtual Machine disk image as it transfers through OpenStack to be booted under libvirt are: Initially the image is downloaded from glance and cached in libvirt base. We…

Intro This makefile will always run. The default target is some_binary, because it is first. some_binary: echo "nothing" Intro This file will make some_binary the first time, and the second time notice it’s already made, resulting in make: 'some…

方法1:本来WEB-INF中的jsp就是无法通过地址栏访问的.所以安全.如果说你要访问这个文件夹中的jsp文件需要在项目的web.xml文件中去配置servlet格式差不多的配置就ok了.如下: 访问地址:http://localhost:8080/runtain/xxx,就可以看见内容了! 方法2:<jsp:forward page ="/WEB-INF/jsp/test/test.jsp" /> 方法3:request.getRequestDispatcher(&quo…

Setting up NTP on Windows It's very helpful that Meinberg have provided an installer for the highly-respected and high-accurate NTP software for Windows users - my thanks to them.  This Web page provides a quick guide to installing NTP on Windows XP,…