基于SDL 的自动售票系统的研发顾丽丽 梅杓春(南京邮电大学自动化学院，江苏南京 210003)摘要：本文简要介绍了SDL语言及其支持工具。通过设计自动售票系统实例对如何利用SDL语言设计和开发实时软件系统进行了说明。关键词：SDL 自动售票系统Research and development of automatic vendor system based on SDLAbstract：In this article,a brief introduction of the SDL language and its associated supporting tools is made.Then,by designing automatic ticket vendor system, a detailed specification of how to use SDL to design and develop realtime software by a specific project is given.Keywords：SDL Automatic Ticket Vendor System