系统需求分析说明

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1、Needsanalysisstatement—————Managementtopicsonline1Introduction1.1ThepurposeofwritingOnlinemanagementsystemasamanagementtopicsadministratorrelationshipwiththemaintopicsoftheusermanagementsystemplatform,thecorrespondingreadersarebusinessusers,therefore,notonlyt

2、odealwiththeadministratorandusersofinformation,butalsohandlepersonalinformation.Leadingonlinecoursemanagementsystem,whetherthedatastructure,theassociationbetweentypeorarecomplex;theprocessingofthisdataisvaried.Therefore,toachievetheonlinecoursemanagementsyste

3、mdatatimelyandaccurateprocessingandeffectiveuse.1.2BackgroundlSystemName：ManagementtopicsonlinelDetailsofthetask：a)Tasksofthepeople：b)Tasksofthepeople：陈凯、张金山、巫龙龙c)User：Usethesoftwareandthemanagementofcertainprivileges(teacher)andstudents.2TaskOverview2.1Inten

4、tandapplicationdevelopmentgoals：Managementsystemusingtopics,youcaneasilyunderstandanddocumentthetopicsofeachuser'ssituationandtheresultsmoreconvenientforstudentstounderstandtheteacherandstudentofthesubjectofarrangementsmoreconducivetoteachtheconduct.2.2Applic

5、ationanddevelopmentofbackgroundinformationAsdevelopmentwithintheschooltousethesystem,externalwithfullconfidentiality,soitsuseislimitedtolimitedmanagementofcertainprivilegesandtheuniversity'sstudents.2.3UsercharacteristicsandfrequencyofsoftwareuseUsethesoftwar

6、etheusermusthavepermissionoftheschoolstudentsandteachers,andthesoftwarewillbealargenumberofsimultaneousaccess,itmustbeabletomeetalargenumberofvisits,noteasytobeparalyzed.3Demandrequirements3.1FunctionalrequirementsThedataflowdiagramisasfollows:（中文结构图以便理解）Onli

7、neselectionmanagementUserThesystemadministratorInputthetopicinformationInputuserQuerytheuserinformation成绩信息选课方案建议选课信息D3成绩记录成绩系统管理员1提供选题方案2处理选题信息4提供成绩查询3修改选题信息用户用户信息录入的成绩D1选题方案选题方案选题方案建议选题信息新的选题信息成绩清单D2选题信息选题信息新的选题信息系统管理员1．1处理用户信息1．2提供相应选题方案用户4提供成绩查询2．2处理选题信息2

8、．1接受选题信息3修改选题信息成绩清单D3成绩记录成绩用户信息用户信息选题方案建议选题方案D1选题方案集选题信息D2选题信息选题信息选课信息新的选题信息3.2Ontheperformanceoftheprovisionsof3.2.1PrecisionThesysteminputdataforthemajorityofstringtype,alsohavesaidscor