使用QT5 实现的FTP工具，里面还有tcp通信。实现的功能是局域网文件传输，可自定义传输控制协议(Using QT5 implementation of the FTP tool, there are TCP communications. The realization of the function is LAN file transfer, you can customize the transmission control p

可以在局域网内进行多人聊天以及传输文件 QT5.4(can chat and transfer files within a LAN QT5.4)

fu服务器对每个客户端都建立一个线程，实现局域网文件功能共享分发(Qt5 tcpThe Fu server creates a thread for each client to implement the shared distribution of the LAN file function)