完整版计算机毕业设计ASP外文翻译Word格式.docx
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完整版计算机毕业设计ASP外文翻译Word格式.docx
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数理与信息系
专业:
计算机科学与技术
年 级:
2005级
指导教师:
袁燕
学生姓名:
陈涵筱
TheDesignandImplementationofASPWebSiteNewsManagementSystems
Abstract
TheuseofASPandSQLtechnologynewssitemanagementsystem,toachievethedynamicmanagementofthenewsWebsite,makingthemanagementofinformationmoretimely,efficient,improvetheworkefficiency.Atthesametime,thedevelopmentofsystemstheory,systemsanddesignfeaturesareintroduced.
[Keyword]ASP,SQL,newsmanagement,database
WiththepopularizationofInternet,moreandmorecompaniessetuptheirownWWWsites,enterprisescandisplayproductsthroughthewebsite,publishingthelatestdevelopments,withuserssharingandcommunicationtoestablishcontactwithpartners,aswellase-commerce.InformationManagementSystemwhichisanenterpriseWebsiteanimportantpartofitbearsadoublerole,ontheonebeusedtoreleasethenewproductornewdevelopmentprojects,ontheothertechnologyandresearchanddevelopment,inparticular,recommendorpreferentialprojects,productsandservicestoattractcustomers,expandcustomerbase.
Managementoftraditionalnewssitesintwoways,onestaticHTMLpage,updatetheinformationneededtore-createthepageandthenuploadthepageandmodifythecorrespondinglinks,theefficiencyofthisapproachistoolowbecauseweASPandscriptinglanguages,dynamicWebpagesanddatabases,throughtheapplicationofprocedurestodealwithnews,thisiswaymorepopular.However,duetothelimitationsofASPallowsthesystemitself,therearesomeinsurmountableflaws,andASP.NETtechnologyonthesystemperformancegreatlyimproved,themainperformanceinthefollowingaspects:
1.ASPpagetoopenasaresultofeachmustbecompiledtoexplaintheprocess,sowhenthepageopensintherateofrepeatedthereisnoupgrade,andonlyneedaASP.NETpagedonotneedtorecompilecompileduntilthepagemodifiedorWebApplicationprocessrestarted.ThismakesthespeedinanumberofvisitsusetheRecordSetObjectADOtoreadrecordsoftransaction,whiletheASPprovidedthroughtheDataGrid,suchasADO.NETdatabaseanddatabasecomponentscanbedirectlyContact.
3.ASPsupportreal-timeapplicationupdates.Administratorsdonotoffthenetworkserverorevendonotcanupdatetheapplicationonfile.Applicationdocumentswillneverbelocked,soevenwhentheprogramrunsinthepapercanbeoverwritten.Whenthedocumentisupdated,thesystemwillconverttothenewmoderateversion.
4.ASPtakethe"
code-behind"
approachtothepreparationofthecodemakesthecodeeasiertoprepare,structuremoreclearly,reducingthesystemdevelopmentandmaintenanceofthecomplexityandthecostof.
1SystemDevelopmentPrinciple
1.1TheSystemArchitectureModelofASP-basedTechnology
ASPisathree-tiersystemstructure:
UILayer,BusinessLogicTieranddatalayer.
UIlayerisresponsibleforinteractionwiththeuser,receivinguserinputandserver-sidedatafrompresenttoclients.
BusinessLogicTierisresponsibleforreceivingrequestsfrombrowserrequeststothedatalayersandatthesametimetheresultsoftherequestsenttothebrowser.ItconsistsofWebForms,XMLWebservicesandservicecompositioncomponents.WebFormsASP.NETwhichisthecoreoftheapplication,itispresentedtocustomersbasedondataandinformationaswellastorespondtoanddealwithcustomersanddisplayinteractiveWebformgeneratedbasedoninformationanddata.
DatalayerstomanipulatedatathroughtheADO.NETlayerforbusinesslogictoprovidedataservices,suchasstoringtheresultsofdatamanipulationandreturntotheresultsofdataretrieval.
1.2TheprincipleofaccesstothedatabaseADO.NET
Connectedwiththedatabase,ADO.NETprovidethefollowingthreekindsofways:
throughODBCconnected;
connectedthroughOLEDB;
directlyconnectedwiththeSQLServer.Applicationofthreekindsofwaysasaresultofdifferencesinlevels,makingtheefficiencyfromlowtoofistocreateaconnectiontothedatabase,intheprocessisrunningthewholewaytomaintainconnectionstothedesign.ASP.NETtakendisconnectedmodedatastructure.WhenabrowserrequestsapagetotheWebserver,theservertodealwiththisrequest,therequestedpageandsendtoyourbrowser,andthenconnectionwasdisconnecteduntilthenextbrowserrequestissued.
ADO.NETAnotherinnovationistheintroductionofadataset(Dataset).Adatasetistherelationshipbetweenmemorymaptoprovidebeadoptedbytheprogramortransferredfromthedatawarehousedataweregenerated,tofill.Regardlessofwherethedataacquisition,datasetsarethesameprocedurethroughtheuseoftemplatestobeoperated,andit'
spotentialtousethesamedatabuffer.
2SystemsFunctionalDesigns
2.1SystemsFunctionStructures
Thenewsmanagementsyst
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