A new type of self-service ordering system terminal with LCD touch screen as a man-machine interactive interface is designed and implemented.The eustomers complete independently the aperations of inquiring menu, ardering, billing and multimedia entertainments without the involvement of attendants.As the limitations of storage space in embedded system, a service website to address the problem of large-capacity data storage and update is built.Additionally, the terminal is developed by Qt , the apen source graphical user interface library.The method of its compilation and transplantation is studied in detail.The system is low cost, user-friendly, and easy to update and maintain.%为了提高餐饮企业效率和节约人力成本,实现餐饮自动化,设计并实现了一种新型顾客自助点菜终端.采用触摸屏作为人机交互界面,无需服务员参与,完全由顾客自主通过点菜终端访问服务器网站完成菜谱查询、点菜、结账、多媒体娱乐等操作.针对嵌入式系统存储空间的局限性,构建一个服务网站,解决大容量数据的存储与更新问题.终端采用开放源代码的图形用户界面库Qt开发,详细研究了其编译与移植的方法.经试验验证,系统具有成本低廉,界面友好,易于更新和维护的特点.
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