现代社会的数据传输正在逐渐摈弃有线传输的模式，无线数据传输相对于有线有建设成本低廉，适应性好，扩展方便，设备维护方便等优点，同时数据的传输也较为可靠。在无线数据传输中必然要用到不同的无线数据终端，要实现与人的交互，则必须依靠上位机软件，本设计从GPRS无线数据终端入手，设计了一个上位机软件，带有登陆界面，可以显示当前登陆的设备，并可以记录并显示历史登陆信息和聊天记录，初步实现通过下位机对LED灯的控制，该可以为日后的进一步设计应用提供参考。

通过这次设计，我进一步掌握Visual C++应用程序和网络编程，系统地学习面向对象编程思想，了解MFC架构，进一步熟悉可视化编程环境Visual C++。

-Data transmission in modern society is gradually away from the cable transmission mode, wireless data transmission relative to the construction of cable with low cost, good adaptability, convenient extension, convenient maintenance, at the same time, the transmission of data is more reliable. In the wireless data transmission must use different wireless data terminals, in order to realize interaction with people, you must rely on the PC software, the design, from the perspective of the GPRS wireless data terminal, designed a PC software, with landing interface, can display the current landing equipment, and can record and display the login information and chat records, preliminary implementation by a machine under control of the LED lights, which can provide reference for the further design of application in the future.

Through this design, I further master the Visual c++ applications and network programming, systematic learning object-oriented programming ideas, understand the MFC fr