JSP/JAVA实现从服务器端自动下载文件到客户端，目前办公自动化系统（B/S）中经常会用到文件自动下载并打印的功能，这个程序可以实现文件自动下载-JSP / JAVA from the server automatically download files to the client, the current office automation systems (B / S) were frequently used documents automatically download and print functions, this procedure can be automatically downloaded files