_离散数学网上教学系统_的设计与实现

200484HigherEducationForumAug.2004.No4*本文为广西高教学会现代教育技术专业委员会学术年会论文.:2004-07-30:新世纪广西高等教育教学改革工程项目:毕忠勤(1977-),男,硕士生,研究方向:数值计算及应用软件.离散数学网上教学系统的设计与实现*毕忠勤徐安农陈光喜(,541004):现有的网上教学系统的在线学习部分大都采用静态网页实现,可维护性很差,本文利用ASP.NET技术和SQLServer开发了一个完全基于数据库的网上教学系统,该网上教学系统可以作为网络课件的二次开发平台来使用,具有很强的交互性和可维护性,介绍了一种利用Webeq和Mathml描述语言在网上实现数学公式的输入和显示的方法:ASP.NET;MATHML;网上教学;组卷策略:G641:A:1671-9719(2004)04-0111-04Internet,,Internet,Internet,.NETSQLServer,,,,,1:1,,,()1.:,2.:(:),3.:,,1114.:,,5.:(:),6.:,,,,,(),,:2ASPSQLServer,ASP.NET,MicrosoftVisualStudio.Net,SQLServer2000ADO.NET,WebMicrosoftIIS4.0ASPASP,ASP.NETASP.NETWeb,ASP,Web,Web:():ASP.NET,,,():ASP,,VBScriptJscriptASP.NET,,VisualBasic.NETC#C++WithManagedExtensionJscript.NET():ASP.NET(EventDriven)(DataBinding),,CodeBehinds,():ASP.NET,ASP,ASP.NET(cache),():ASP,112,ASP.NET,(Configuration),ASP.NETXML,Web.Config,Web,FTPWeb():ASP.NETServerControl,,,,,()WebWeb,ASP.NETADO.NETManagedProvider(API),OLEDBODBCSQLManagedProviderSQLServer:1.%@ImportNamespace=!System.Data!%%@ImportNamespace=!System.Data.Sqlclient!%//ADO.NET......DimconnasSqlconnection//SqlConnectionconn=NewSqlconnection()//Sqlconnectionconn.ConnectionString=!Server=localhost;uid=sa;pwd=;database=db_menu!//Connectionstringconn.open//2.DimadapterAsNewSqlDataAdapter()//SqlDataAdapteradapter.SelectCommand=newSqlCommand(query,conn)//querySQL3.DataSetDimdsAsNewDataSet()//DataSetadapter.Fill(ds)//dsSQL(),11(db_menu.db)字段名数据类型长度备注IDInt4关键字NODEIDVarchar50节点IDNodeNamevArchar50节点内容IconVArchiar50节点图标,nodeid2:2IDNODEIDNODENAMEICON11第一部分数理逻辑21.1第一章命题逻辑基本概念31.1.11.1命题与联结词41.1.21.2命题公式及其赋值NODEID,,1.1.11.1.21.1,1.1,()Web,Web:1.:Web,2.WordWordhtml,3.PDF4.Tex,,113,Tex,900Word(),,,WebeqJAVAWebeq,Mathml,Mathml:P∀(R#S)Mathml:appletcode=!webeq.Main!codeBase=!/!width=121height=42align=middleparamname=!parser!value=!mathml!paramname=!size!value=!18!paramNAME=!color!VALUE=!white!paramname=!eq!value=!mathmrowmrowmo⌉/momiP/mimo∧/momo(/momiR/mimo→/momiS/mimo)/mo/mrow/mrow/math!/appletMathml,JavaApplet()::;;,,:1.,;2.;3.;4.;5.;6.1,,2,,,db_menu.db,,,,,,,(:)DesignandImplementationontheOnlineTeachingSystemofDiscreteMathematicaBIZhong-qin,XUAn-nong,CHENGuang-xi(DeptofComputedScienceandMathematica,GuilinUniversityofElectronicTechnology,Guilin,Guangxi541004,China)Abstract:Onlinestudyingintheexistedonlineteachingsystemsisimplementedbythestatichomepage,withbadmaintainability.Inthispaper,wedevelopedanonlineteachingsystembasedonthedatabasethatusedASP.NETtechnologyandSQLServer.Thisonlineteachingsystemcanbeusedastheseconddevelopplatformofnetworkcourseware,whichhasstrongabilityofinteractionandmaintain,introducedawaytoimplementtheinputanddisplayofmathematicalformulainthehomepage.Keywords:ASP.NET;MATHML;OnlineTeaching;GeneratingPaperStrategy114