📄 web系统开发技术交流平台数据库设计说明书.doc
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<p align=center style='text-align:center;text-indent:19.5pt'><span
style='mso-bookmark:_Toc445704833'><span style='font-size:10.0pt'>老师视图（<span
lang=EN-US>VIEW3</span>）<span lang=EN-US><o:p></o:p></span></span></span></p>
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<p align=center style='text-align:center;text-indent:19.5pt'><span
style='mso-bookmark:_Toc445704833'><span style='font-size:10.0pt'>学生视图（<span
lang=EN-US>VIEW1</span>）<span lang=EN-US><o:p></o:p></span></span></span></p>
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<p align=center style='text-align:center'><span style='mso-bookmark:_Toc445704833'><span
style='font-size:10.0pt'>管理员视图（<span lang=EN-US>VIEW2</span>）<span lang=EN-US><o:p></o:p></span></span></span></p>
<p><span style='mso-bookmark:_Toc445704833'><b style='mso-bidi-font-weight:
normal'><span lang=EN-US style='font-size:14.0pt'>3.2</span></b></span><span
style='mso-bookmark:_Toc445704833'><b style='mso-bidi-font-weight:normal'><span
style='font-size:14.0pt'> 逻辑结构设计</span></b> </span></p>
<p class=MsoNormal style='text-indent:24.0pt;mso-char-indent-count:2.0'><span
style='mso-bookmark:_Toc445704833'>系统整体功能模块分为用户登录模块、教师讲授模块、师生交流模块、学生作业模块和教师公告模块。其中以登录模块为通道，以教师讲授模块、师生交流模块为主，学生作业模块和教师公告模块为辅。</span></p>
<p class=MsoNormal style='text-indent:24.0pt;mso-char-indent-count:2.0'><span
style='mso-bookmark:_Toc445704833'>用户登录模块 分为三种登录对象。管理员是整个系统的最高维护管理者。学生和教师都采用实名制进行注册。学生和教师可以通过同一登录界面进入系统，但其权限是不一样的，教师的权限大于学生的权限。</span></p>
<p class=MsoNormal style='text-indent:24.0pt;mso-char-indent-count:2.0'><span
style='mso-bookmark:_Toc445704833'>教师讲授模块 采用异步传统的讲授方式，教师的教和学生的学可以在不同时间内进行。</span></p>
<p class=MsoNormal style='text-indent:24.0pt;mso-char-indent-count:2.0'><span
style='mso-bookmark:_Toc445704833'>师生交流模块 采用讨论式的网络教学方式，学生可以提出问题，老师帮忙回答问题，同时也可以相互交流。</span></p>
<p class=MsoNormal style='text-indent:24.0pt;mso-char-indent-count:2.0'><span
style='mso-bookmark:_Toc445704833'>学生作业模块 系统为每个学生分配一个作业区，学生完成教师布置的作业后，将答案放在作业区中，以便教师批改。</span></p>
<p style='margin-top:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:3.7pt;
margin-bottom:.0001pt;mso-para-margin-top:0cm;mso-para-margin-right:0cm;
mso-para-margin-bottom:0cm;mso-para-margin-left:.31gd;mso-para-margin-bottom:
.0001pt;text-indent:21.85pt;mso-char-indent-count:1.82'><span style='mso-bookmark:
_Toc445704833'>教师公告模块 每个教师可以根据自己课程的改变或者其他需要所有学生注意的事项，在教师公告区中发出通知。通知会自动署上发出通知的教师的姓名。这个区域类似网络新闻公告，不同的是每个任课教师都可以在教师公告区中发通知。
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style='mso-bidi-font-weight:normal'><span lang=EN-US style='font-size:14.0pt'><span
style='mso-list:Ignore'>3.3<span style='font:7.0pt "Times New Roman"'>
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style='mso-bookmark:_Toc445704833'></span><span style='mso-bookmark:_Toc445704833'><b
style='mso-bidi-font-weight:normal'><span style='font-size:14.0pt'>物理结构设计 <span
lang=EN-US><o:p></o:p></span></span></b></span></p>
<p><span style='mso-bookmark:_Toc445704833'><b style='mso-bidi-font-weight:
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<p><span style='mso-bookmark:_Toc445704833'><span style='font-size:10.0pt'> </span>
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<p><span style='mso-bookmark:_Toc445704833'><b style='mso-bidi-font-weight:
normal'><span lang=EN-US style='font-size:14.0pt'>4.</span></b></span><span
style='mso-bookmark:_Toc445704833'><b style='mso-bidi-font-weight:normal'><span
style='font-size:14.0pt'> 运用设计 <span lang=EN-US><o:p></o:p></span></span></b></span></p>
<p><span style='mso-bookmark:_Toc445704833'><b style='mso-bidi-font-weight:
normal'><span lang=EN-US style='font-size:14.0pt'>4.1</span></b></span><span
style='mso-bookmark:_Toc445704833'><b style='mso-bidi-font-weight:normal'><span
style='font-size:14.0pt'> 安全保密设计</span></b> </span></p>
<p><span style='mso-bookmark:_Toc445704833'><span style='font-size:10.0pt'> </span>
在登录时有三种身份（学生、老师、管理员）登录，其中管理员可以管理学生<st1:PersonName ProductID="和" w:st="on">和</st1:PersonName>老师的<span
lang=EN-US>ID</span>，学生<st1:PersonName ProductID="和" w:st="on">和</st1:PersonName>老师必须通过管理员才能注册身份。
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