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设计题目:在线学习系统的设计与实现
I
摘 要
计算机网络发展到现在已经好几十年了,在理论上面已经有了很丰富的基础,
并且在现实生活中也到处都在使用,可以说,经过几十年的发展,互联网技术已
经把地域信息的隔阂给消除了,让整个世界都可以即时通话和联系,极大的方便
了人们的生活。所以说,在线学习系统用计算机技术来进行设计,不仅在管理方
面更加的系统化,操作性强,最重要的是关于数据的保存和使用都能节约大量的
时间,该系统非常的好用。
在线学习系统管理数据的工具是 MySQL,编码的语言是 Java,运用的框架
是 SSM 框架。该系统可以实现论坛管理,通知信息管理,学生管理,回答管理,
教师管理,教案管理,公告信息管理,作业管理等功能。
在线学习系统不仅能让操作人员使用更加地方便,并且设计的也很合理,能
有效的避免误操作,让数据在录入的环节就符合设计需要,极大的规避了源头性
的输入误差,顺利的让数据变得更加可控并且可靠,让出错的几率降到最低。
关键词:在线学习系统;教案;作业
II
Abstract
Computer networks have been developed for decades, and they have a rich
theoretical foundation and are used everywhere in real life. It can be said that after
decades of development, Internet technology has transformed regional information.
The estrangement between the two has been eliminated, allowing the whole world to
communicate and contact in real time, which greatly facilitates people's lives.
Therefore, the online learning system is designed with computer technology. It is not
only more systematic in management, but also has strong operability. The most
important thing is that it can save a lot of time in terms of data storage and use. The
system is very easy to use.
The tool for managing data in the online learning system is MySQL, the coding
language is Java, and the framework used is the SSM framework. The system can
realize forum management, notification information management, student
management, answer management, teacher management, lesson plan management,
announcement information management, homework management and other functions.
The online learning system not only makes it more convenient for operators to
use, but also has a reasonable design, which can effectively avoid misoperation, make
the data meet the design needs in the process of input, and greatly avoid the source
input errors, and the smooth operation It makes the data more controllable and reliable,
and minimizes the chance of error.
Key Words:online learning system; lesson plans; assignments
III
目 录
1 绪论 ...............................................1
1.1 选题背景 .........................................................................................................1
1.2 选题意义 .........................................................................................................1
1.3 研究内容 .........................................................................................................2
2 系统开发技术........................................3
2.1 MYSQL 数据库................................................................................................3
2.2 IDEA 简介........................................................................................................3
2.3 SSM 框架 .........................................................................................................4
2.4 VUE 框架 ..........................................................................................................4
3 系统分析............................................5
3.1 可行性研究 .....................................................................................................5
3.1.1 经济可行性 ..........................................................................................5
3.1.2 时间可行性 ..........................................................................................5
3.1.3 操作可行性 ..........................................................................................5
3.2 系统性能分析 .................................................................................................6
3.2.1 系统的安全性 ......................................................................................6
3.2.2 系统的易用性 ......................................................................................6
3.2.3 系统的健壮性 ......................................................................................6
3.3 系统流程分析 .................................................................................................7
3.4 系统功能分析 .................................................................................................9
4 系统设计...........................................13
4.1 系统设计原则 ...............................................................................................13
4.2 功能模块设计 ...............................................................................................14
4.3 数据库设计 ...................................................................................................16
4.3.1 数据库 E-R 图....................................................................................17
IV
4.3.2 数据库表结构 ....................................................................................19
5 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 论坛管理 ............................................................................................23
5.1.3 公告信息管理 ....................................................................................24
5.2 教师功能实现 ...............................................................................................24
5.2.1 回答管理 ............................................................................................24
5.2.2 作业管理 ............................................................................................25
5.2.3 教案管理 ............................................................................................25
5.2.4 通知信息管理 ....................................................................................26
5.3 学生功能实现 ...............................................................................................27
5.3.1 在线论坛 ............................................................................................27
5.3.2 教案信息 ............................................................................................27
5.3.3 作业管理 ............................................................................................28
5.3.4 回答管理 ............................................................................................28
6 系统测试...........................................29
6.1 功能测试 .......................................................................................................29
6.2 可用性测试 ...................................................................................................29
6.3 测试结果分析 ...............................................................................................30
结 论...............................................31
参考文献.............................................33
致 谢...............................................34
剩余38页未读,继续阅读
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