and coding structure, cross-operator and mutation operator are carried on a distinctive design, and make the genetic algorithm to meet Test Paper as the requirements of this particular issue.

Keywords examination system; automatic test paper; database; genetic algorithm

目 录

摘 要............................................................................................................................ I Abstract ......................................................................................................................................... II 第1章 绪论 ................................................................................................................. 1 1.1 在线考试的现状 ................................................................................................. 1 1.1.1 在线考试在国外的发展状况 ...................................................................... 1 1.1.2 在线考试在国内的发展状况 ...................................................................... 1 1.1.3 当前在线考试系统的特征 .......................................................................... 1 1.2 组卷算法的现状 ................................................................................................. 2 1.3.本课题的来源 ...................................................................................................... 2 1.4本文主要内容 ...................................................................................................... 2 1.5 本章小节 ............................................................................................................. 2 第2章 组卷算法与题库的研究 ................................................................................. 3 2.1组卷算法理论 ...................................................................................................... 3 2.1.1随机选取法和回溯试探法 ........................................................................... 3 2.1.2 遗传算法 ...................................................................................................... 3 2.2 在线考试系统的组卷算法 ................................................................................. 3 2.2.1 组卷算法的确定 .......................................................................................... 3 2.2.2组卷参数定义 ............................................................................................... 4 2.2.3 基于遗传算法的组卷算法设计 .................................................................. 4 2.3 题库基础理论 ..................................................................................................... 5 2.3.1 题库发展 ...................................................................................................... 5 2.3.2 题库的概念 .................................................................................................. 5 2.3.3 题库的特征 .................................................................................................. 5 2.3.4题库的建设理论 ........................................................................................... 5 2.3.5题库建设步骤 ............................................................................................... 5 2.4 在线考试系统的题库建设方案 ......................................................................... 5 2.4.1 在线考试系统的题库建设步骤 .................................................................. 6

2.4.2 题库管理系统框架 ...................................................................................... 6 2.4.3 题库管理设计方案 ...................................................................................... 6 2.5本章小结 .............................................................................................................. 6 第3章 在线考试系统的需求分析和设计 ................................................................. 8 3.1 系统需求分析 ..................................................................................................... 8 3.1.1 系统功能分析 .............................................................................................. 8 3.1.2系统的数据流图 ........................................................................................... 8 3.2 系统概要设计 ..................................................................................................... 8 3.2.1 系统功能模块的划分 .................................................................................. 8 3.2.2 在线考试系统的主流程图 .......................................................................... 8 3.2.3数据库设计 ................................................................................................... 8 3.3系统详细设计 ...................................................................................................... 9 3.4 本章小结 ............................................................................................................. 9 第4章 考试系统中题库和组卷子系统的实现 ....................... 错误！未定义书签。 4.1 题库子系统 ....................................................................... 错误！未定义书签。 4.1.1 科目管理 .................................................................... 错误！未定义书签。 4.1.2 题库管理 .................................................................... 错误！未定义书签。 4.2 组卷子系统 ....................................................................... 错误！未定义书签。 4.2.1组卷子系统的操作流程 ............................................. 错误！未定义书签。 4.2.2组卷子系统的操作界面 ............................................. 错误！未定义书签。 4.2.3 基于遗传算法的组卷算法的实现 ............................ 错误！未定义书签。 4.3 本章小结 ........................................................................... 错误！未定义书签。 结 论.......................................................................................................................... 10 参考文献 ..................................................................................................................... 11 谢 辞.......................................................................................................................... 12 注 释.......................................................................................................................... 12 附 录.......................................................................................................................... 12