II
目录
1引言.............................................................................................................................................11.1网络教学系统的技术.....................................................................................................11.2本系统的特点和意义.....................................................................................................22系统核心技术特点.....................................................................................................................22.1web系统应用研究..........................................................................................................22.1.1N层体系结构.....................................................................................................22.1.2基于组件开发.....................................................................................................32.2JSP/Servlet对web应用系统的支持..........................................................................33系统分析.....................................................................................................................................43.1用例分析.........................................................................................................................43.2用例建模.........................................................................................................................53.2.1标识参与者.........................................................................................................63.2.2用例图.................................................................................................................63.2.3顺序图.................................................................................................................73.2.4活动图.................................................................................................................83.3分析类...........................................................................................................................103.3.1边界类...............................................................................................................103.3.2实体类................