c#选课系统及论文(c#)

上传者: johnsonlm | 上传时间: 2023-02-21 23:51:41 | 文件大小: 1.82MB | 文件类型: RAR
系统分析 在本系统中,有三类用户:系统管理员,教师和学生。三种不同的用户所具有的操作权限以及操作内容均不一样。 本选课系统给予教师很大的自主权,系统管理员只负责向系统中添加学生和教师的个人信息以及教学楼教室信息。系统管理员不参与开设课程、选择课程等,一切均由教师、学生等录网站自行完成。系统管理员设置一个选课时间段,在到达时间段以前,教师可以开设课程;到达时间段以后,学生可以登陆网站选择课程。 教师用户登陆网站后可以开设课程,为自己的课程编辑上课时间和地点,当系统中出现时间地点冲突的时候,系统向教师用户报告并推荐一个时间地点。每门课程可以是必修或则选修,教师为每门课程设置一个学分,并可以在课程结束后给予分数,如果学生及格,学生将获得该课程的学分。 对于学生用户,每个学生除了必须选择必修课程外,至少还要选择两门选修课程,学生可以对自己选课信息锁定,以免不小心被修改。当时候超过选课时段后,系统自动锁定学生的选课课程。系统可以根据学生的选课信息,生成一份学生自己的课表。课程结束后学生可登录网站查询成绩与学分。 根据上面的要求,从操作功能上可以分为两个类:一个是通用操作,主要实现用户的登录注销和修改密码等;另一种是为不同用户定制不同操作。 1。通用操作 (1)登录与注销 每个用户都可以用自己的帐号登录系统。用户操作完成后推出系统,注销后可以重新登录系统。 (2)修改密码 每个用户第一次登录都用默认密码(教师和学生与帐号一样)。 2。用户所具有功能 (1)系统管理员 设置选课时间段:系统管理员通过此项功能设置选课时段,只有在选课时间段里,学生才可以选择课程,超过次时间段,学生选课信息被自动所定,不得修改。 录入学生与教师个人信息:通过此项功能可以实现对教师和学生的个人信息添加删除。 录入教学楼教室信息:通过此项功能可以把学校里所有的教学楼教室的信息录入到系统中,以便教师在开设课程时候设置上课的教室。 (2)教师用户 显示和修改个人信息:教师用户登录系统后,可以查看和修改教师的个人信息,如姓名,电话,E-mail地址等。 开设课程:教师用户登录系统后,可以开设课程,可以设置该课程为必修课程或则选修课程,可以设置该课程的最大人数。教师还可以为该课程设置一个前导课程,若学生没有学习或则选择前导课程则不能选择该课程。 编辑课程上课时间:教师在开设了课程后,可以灵活地设置上课时间和地点。 给学生分数:课程结束后,教师用户登录系统,可以为学过课程的学生给予相应的成绩,若 及格,给予学生学分。 (3)学生用户 显示和修改个人信息:学生登录系统后,可以查看和修改学生的个人信息,如姓名,性别,电话等。 查看必修课程:学生登录后,可以查看所有的必修课程。查看该课程的信息,上课时间地点,开课教师信息等。 选择选修课程:学生登录系统后,在所有选修课程中可以选择至少两门选修课程。同时可以查看相关信息。 锁定选课信息:学生登录系统,确定了所选课程后,可以锁定自己的选课信息,以防被别人或则自己不小心修改。 查看最终选课信息:学生登录系统后,可列出已选择的课程,若选课信息未被锁定,则可以退选,若所选课程少于两门,系统会提示选择的课程少于两门。 查看学分和成绩 课程结束后,学生登录系统可查看自己学习课程的成绩和已获的学分。 首页login.aspx DB_51aspx下为Sql数据库,附加即可 学生、教师和管理员的默认帐号分别为:011、006、admin,密码均为51aspx 论文文档文件夹下为毕业论坛、开题报告、系统分析及演示PPT等

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