基于QT的简易版腾讯qq登录框，利用信号和槽函数机制，可实现登录或者取消功能。-A simple version of QT-based Tencent qq login box, use signals and slots mechanism functions can be realized login or cancellation feature.

本软件是利用QT实现的，它的主要是实现一个类似于QQ的通信功能(The software is implemented using QT, and its main is to achieve a communication function similar to QQ)