利用MFC WinInet类编写FTP的客户端程序，能够完成登录FTP服务器、目录检索、文件的上传和下载等功能。-use MFC WinInet Class prepared FTP client program. Login to complete FTP server, directory search, document upload and download functions.

一个简单的ftp单线程客户端，通过mfc wininet类实现的ftp客户端，支持上传和下载(A simple FTP single thread client, FTP client realized by MFC WinInet class, supports upload and download)