文献笔记（十二）

一、基本信息

标题：C语言web考试系统的设计与实现

时间：2014年5月18日

出版源：吉林大学

领域分类：管理信息系统

二、研究背景

问题定义：B/S 模式的 C 语言在线考试系统

难点： 开发环境配置过程较为复杂

相关工作： 在线考试；ASP；数据库；B/S模式

三、研究内容

• 实现了教师信息模块。不同教师拥有不同的账户，每个教师可以管理自己的帐户信息

• 实现了试卷题目管理模块。每个教师可以随时添加、删除和修改自己管理试卷的题目，也可以通过导入的方式进行试卷的增加、删除和修改。服务器保存历史试卷，以便以后进行查看

• 实现了考生信息模块。不同考生拥有不同的账户，每个考生可以管理自己的帐户信息。

• 实现了在线考试模块。考生在进行考试系统时，可在线答题。在线答好的题目会及时自动地保存到服务器上，以防止由于客户端机器死机而导致的数据丢失。

• 实现了成绩查询模块。考生在提交试卷后，可立即查看考试结果。

• 实现了分数统计模块。教师可以对考试分数进行统计，并生成报表。

可行性分析

• 操作可行性
• 软硬件可行性
• 技术可行性
• 经济可行性

相关技术介绍

在线考试系统的开发工具，及其需要用到的各种技术。本文的在线考试系统使用的 Web 服务器为 Apache，数据库管理系统为 MySQL，服务器端脚本语言为 PHP。本章首先对这些工具进行介绍，然后介绍了开发环境的配置过程

需求分析

• 功能需求
• 性能需求
• 可靠性和可用性需求

在线考试系统体系结构

​ B/S 模式结合了 Web 和数据库技术，将开发环境与运行环境进行分离。客户端使用兼容的浏览器，而不需要再开发客户端软件，可实现跨平台服务。

总体设计

功能模块

• 管理员功能模块
• 老师功能模块
• 考生功能模块

数据表设计

• 管理员信息表教师信息表
• 学生信息表
• 试卷信息表
• 考试题目信息表
• 考试成绩表

系统实现

利用 PHP+Apache+MySQL 技术来实现

通用模块的实现

• 登录界面

• 激活界面

• 修改密码界面

学生模块的实现

教师模块的实现

四、结论

​ 这个系统采用PHP+Apache+MySQL 技术进行开发，实现了管理员、教师以及学生三个角色的不同功能，对管理员角色实现了教师信息、学生信息以及试卷信息的管理和维护等功能。对于教师角色实现了命题、将试卷导入到在线考试系统、设置考试参数并开始考试等功能。对于学生角色实现了在线答题，以及对试卷进行评判等功能.功能比较齐全，能满足大部分的自动考试系统需求，只是系统设计与实现过程需要大量的知识储备。

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作者姓名：刘宏亮 吉林大学 计算机工程 工程硕士