FTP服务器端及客户端的设计及实现，使用CSocket编程，图形界面，实现了文件上传，下载，删除、文件夹的上传下载删除、断点续传等功能-FTP server-side and client-side design and implementation, use CSocket programming, graphical interface, realize the file upload, download, delete, folders, upload download delete, H

支持多线程断点续传的文件传输(FTP)程序（含服务端和客户端、支持蓝牙(Bluetooth)传输）-Support multi-threaded HTTP file transfer (FTP) procedures (including client and client services, support Bluetooth (Bluetooth) transmission)