QT下用套接字tcp实现的文件的传输，和聊天的功能-QT with socket under the TCP implementation of file transfer, and chat functions

主登陆界面没有套接socket，固定登陆账户密码！QT入门最好！超详细注释！除了基础语言其他函数都做了详细赘述！-Main login screen no socket socket, fixed landing the account password! QT Getting the best! Ultra-detailed notes! In addition to the base language other functions have done a detailed repeat!

Base thread socket network communication

socket 通信ping虚拟目标版，其中一个ip为 10.10.0.38, 另一个ip为10.10.0.39。（需要事先安装WinTAP32虚拟网卡);(Socket communication)