用QT4库写的 基于C/S结构. 其实在linux用套接字写网络部分更方便不过,但最近在学习QT/network部分,所以练手写的一个.-Written using QT4 libraries based on C/S structure. In fact, part of the linux network using a socket to write more convenient, however, but a recent study QT/network part, so a