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I
摘 要
现在的学校,无论是高等院校还是中学、小学,伴随着我国教育的不断普及,
学校的学生人数也在不断的增长。在这种学生人数增长的带动下,现在学校所面
临的教学管理压力较大。而学生在日常的学习活动中,选课是一项经常需要被使
用的功能,因此学校在选课管理上需要高度的重视,特别是在每个学期的开学,
学生都会进行新学期的选修课程选择,而传统的人工记录和管理的方式面对当下
日益增长的学生人数而言,是无法很好的提供有效的管理的。而随着计算机和互
联网的快速发展,现在通过以网络结构程序来实现在线选课是十分有必要进行开
发和设计运行的,本次是通过利用了 SSM 框架来来实现一个学生选课系统的完
整搭建,通过该系统的搭建来实现学生在线选课、教师在线课程管理、管理员进
行全方位后台信息管理的主要功能实现。
本次所设计的系统能够有效的在各大高等院校进行使用,为学生、教师提供
有效的在线服务。整体的设计上逻辑清晰,内容完整,具有很强的实用意义。
关键词:学生选课;管理系统;SSM 框架
II
Abstract
Nowadays, with the continuous popularization of education in our country, the
number of students in schools, whether in Institutions of higher learning or in middle
schools or primary schools, is also increasing. Driven by this increase in the number of
students, schools are now facing greater pressure on teaching management. In the daily
learning activities of students, course selection is a function that is often needed to be
used. Therefore, schools need to pay high attention to the course selection management,
especially at the beginning of each semester, students will choose the optional courses
for the new semester. The traditional manual record and management methods cannot
provide effective management for the growing number of students. With the rapid
development of computers and the Internet, it is very necessary to develop and design
and run online course selection through network structure program. This time, through
the use of SSM framework to achieve a complete set-up of a student course selection
system, through the establishment of the system to achieve the main functions of
students'online course selection, teachers' online course management,
administrators'comprehensive background information management.
The system designed in this paper can be used effectively in various colleges and
universities to provide effective online services for students and teachers. The overall
design has clear logic and complete content, which is of great practical significance.
Keywords: Students choose courses; Management system; SSM Framework
II
目 录
摘 要 ................................................................................................................................................I
ABSTRACT.....................................................................................................................................II
1 绪论................................................................................................................................................3
1.1 项目背景..................................................................................................................3
1.2 项目意义..................................................................................................................3
1.3 研究内容...................................................................................................................4
2 理论基础和数据加密相关技术 ...................................................................................................5
2.1 MySQL 数据库介绍 ................................................................................................5
2.2 SSM 框架..................................................................................................................5
2.3 数据加密相关理论...................................................................................................5
2.3.1 MD5 加密技术 ..................................................................................................5
2.3.2 数据库加密技术................................................................................................5
2.3.3 硬件加密及其他安全管理................................................................................6
3 需求分析........................................................................................................................................7
3.1 需求调研..................................................................................................................7
3.2 性能需求分析..........................................................................................................7
3.3 可行性分析...............................................................................................................7
3.2.1 技术的可行性....................................................................................................7
3.2.2 经济的可行性....................................................................................................8
3.2.3 操作可行性........................................................................................................8
3.2.4 法律的可行性....................................................................................................8
3.4 学生用户用例图.......................................................................................................8
3.5 数据流分析...............................................................................................................9
4 系统分析与设计..........................................................................................................................11
4.1 系统功能结构框架.................................................................................................11
4.2 数据库的概念结构设计.........................................................................................11
3.1.2 数据库的逻辑结构设计..................................................................................12
5 系统的实现..................................................................................................................................15
5.1 登录模块的实现....................................................................................................15
5.2 管理员管理界面....................................................................................................16
5.3 教师添加管理页面.................................................................................................16
5.4 课程查询界面........................................................................................................17
5.5 学生的后台管理页面.............................................................................................17
5.6 在线选课功能实现.................................................................................................18
5.7 通知公告管理.........................................................................................................18
5.8 课程统计信息界面.................................................................................................19
6 系统测试......................................................................................................................................20
6.1 测试概述................................................................................................................20
6.2 数据库测试.............................................................................................................20
6.3 测试用例.................................................................................................................20
6.4 性能测试.................................................................................................................20
6.5 测试结果.................................................................................................................21
总 结................................................................................................................................................22
参考文献..........................................................................................................................................23
致谢..................................................................................................................................................24
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