基于TCP协议的socket编程，实现了客户端与服务器的通信功能，客户端可以登录，向服务器端发送自己要共享的文件的文件名，向服务器发送查找文件请求等。适于socket编程的初学者阅读。-TCP-based socket programming, client communication with the server, the client can log on to the server sending the file you want to share their file name, find the file requests to the server and so on. Socket programming for beginners to read.