嵌入式点菜系统—该程序有服务端和客户端，客户可以向服务端点菜。服务端可以把信息传送给客户端，在linux-QT4.0下的程序代码-Embedded la carte system- the procedures and client service, customers can order the service side. Server can transmit the information to the client, under the linux-QT4.0 code