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题目:在线教育平台的设计与实现
I
摘 要
互联网发展至今,无论是其理论还是技术都已经成熟,而且它广泛参与在社
会中的方方面面。它让信息都可以通过网络传播,搭配信息管理工具可以很好地
为人们提供服务。针对学生课程学习信息管理混乱,出错率高,信息安全性差,
劳动强度大,费时费力等问题,采用在线教育平台可以有效管理,使信息管理能
够更加科学和规范。
在线教育平台在 Eclipse 环境中,使用 Java 语言进行编码,使用 Mysql 创建
数据表保存本系统产生的数据。系统可以提供信息显示和相应服务,本系统管理
员管理在线学习信息与课程信息,管理教师和学生资料,管理留言和新闻。教师
下载学生上交的作业文件,上传学生学习的视频,管理课程和留言。学生通过视
频的方式学习知识,可以收藏课程信息,能够提交课程留言和学习留言。
总之,在线教育平台集中管理信息,有着保密性强,效率高,存储空间大,
成本低等诸多优点。它可以降低信息管理成本,实现信息管理计算机化。
关键词:在线教育平台;Java 语言;Mysql
II
Abstract
Since the development of the Internet, both its theory and technology have
matured, and it has been widely involved in all aspects of society. It allows
information to be disseminated through the Internet, and it can serve people well with
information management tools. In view of the chaotic management of student course
learning information, high error rate, poor information security, high labor intensity,
and time-consuming and labor-consuming problems, the online education platform
can be used for effective management, and information management can be more
scientific and standardized.
The online education platform uses the Java language for coding in the Eclipse
environment, and uses Mysql to create a data table to save the data generated by the
system. The system can provide information display and corresponding services. The
system administrator manages online learning information and course information,
manages teacher and student information, and manages messages and news. Teachers
download homework files submitted by students, upload videos of students' learning,
manage courses and leave messages. Students learn knowledge through video, can
collect course information, and can submit course messages and learning messages.
In short, online education platforms centrally manage information and have
many advantages such as strong confidentiality, high efficiency, large storage space,
and low cost. It can reduce the cost of information management and realize the
computerization of information management.
Key Words:Online education platform; Java language; Mysql
III
目 录
第 1 章 绪论...........................................1
1.1 课题背景 .........................................................................................................1
1.2 课题意义 .........................................................................................................1
1.3 研究内容 .........................................................................................................2
第 2 章 开发环境与技术.................................3
2.1 MYSQL 数据库 ...............................................................................................3
2.2 JSP 技术 ...........................................................................................................3
2.3 SSM 框架 .........................................................................................................4
第 3 章 系统分析.......................................5
3.1 可行性分析 .....................................................................................................5
3.1.1 技术可行性 ..........................................................................................5
3.1.2 经济可行性 ..........................................................................................5
3.1.3 操作可行性 ..........................................................................................5
3.2 系统流程 .........................................................................................................6
3.2.1 操作流程 ..............................................................................................6
3.2.2 登录流程 ..............................................................................................6
3.2.3 删除信息流程 ......................................................................................7
3.2.4 添加信息流程 ......................................................................................8
3.3 性能需求 .........................................................................................................8
3.4 功能需求 .........................................................................................................9
第 4 章 系统设计......................................13
4.1 设计原则 .......................................................................................................13
4.2 功能结构设计 ...............................................................................................13
4.3 数据库设计 ...................................................................................................16
4.3.1 数据库概念设计 ................................................................................16
IV
4.3.2 数据库物理设计 ................................................................................19
第 5 章 系统实现......................................23
5.1 管理员功能实现 ...........................................................................................23
5.1.1 教师管理 ............................................................................................23
5.1.2 学生管理 ............................................................................................23
5.1.3 新闻管理 ............................................................................................24
5.1.4 留言板管理 ........................................................................................24
5.2 教师功能实现 ...............................................................................................25
5.2.1 在线学习管理 ....................................................................................25
5.2.2 课程管理 ............................................................................................25
5.2.3 上交作业管理 ....................................................................................26
5.3 学生功能实现 ...............................................................................................26
5.3.1 在线学习 ............................................................................................26
5.3.2 课程信息 ............................................................................................27
5.3.3 留言板 ................................................................................................28
第 6 章 系统测试......................................30
6.1 功能测试 .......................................................................................................30
6.1.1 登录功能测试 ....................................................................................30
6.1.2 修改密码功能测试 ............................................................................31
6.2 测试结果 .......................................................................................................31
结 论...............................................32
致 谢...............................................33
参考文献.............................................34
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