湖南工学院毕业设计论文１目录第一章系统概述...............................................................................................................................４1.1引言................................................................................................................................................４1.2网上订票系统的优越性和实际应用价值....................................................................................４1.3国外铁路车票预订系统概况........................................................................................................５第二章VisualBasic编程环境简介.................................................................................................６2.1概述...............................................................................................................................................６2.2VB6.0开发环境..........................................................................................................................７2.3VisualBasic语言基础................................................................................................................１０2.3.1专业术语..........................................................................................................................１０2.3.2数据类型..........................................................................................................................１１2.3.3常量与变量申明..............................................................................................................１１2.4VisualBasic数据库控件与ACCESS2000...............................................................................１２第三章系统分析...........................................................................................................................１３3.1系统目标....................................................................................................................................１３3.2系统可行性分析研究................................................................................................................１３3.3系统的运行要求......................................................................................................................１４第四章系统需求分析...................................................................................................................１５4.1车票预定系统的功能要求.........................................................................................................１５4.2车票预定系统的性能需求.........................................................................................................１７4.3车票预定系统的数据需求.........................................................................................................１８4.4车票预定系统的概念模型........................................................................................................１９4.5建立车票预定系统的约束......................................................................................................２０第五章系统概要设计...................................................................................................................２１5.1编写目的...................................................................................................................................２１5.1.1项目背...
