conquer_web_2.0

代码说明：

  第2章 基于Ajax的留言板示例 第3章 JavaScript在Ajax中的作用范例 ……………… 第20章 程序描述：本章将实现上传文件时显示进度条的功能。当上传文件时，客户端同时显示文件上传的进度，从而及时了解文件传送情况(Chapter 2 on the message board Ajax example, Chapter 3 of JavaScript in Ajax for the using examples ... ... ... ... ... ... Chapter 20 proceedings Description : The chapter will achieve upload documents show the progress of the function. When upload documents, the client also shows that the progress of file uploads, so the time to understand the transmission of documents)