第2章。 HTTP和Servlet的基础知识

让我们从定义Web应用程序这一章开始。我们都看到过一般的客户端应用软件，但怎么样才是一个真正的Web应用程序？然而，它可以被定义为一个用于用户接入的运行在服务器上的程序，通过一个简单，一般用途的客户。今天，最常见的客户端是一种运行在pc机上的网页浏览器或工作站系统，但其他类型的用户正在迅速加入，如无线PDA ，手机，和其他专门设备。-Chapter 2. HTTP and Servlet Basics

　 Let s start off this chapter by defining the term web application. We ve all seen regular client-side applications, but what exactly is a web application? Loosely, it can be defined as an application running on a server a user accesses through a thin, general-purpose client. Today, the most common client is a web browser on a PC or workstation, but other kinds of clients are rapidly joining the party, such as wireless PDAs, cell phones, and other specialized devices.