预览加载中,请您耐心等待几秒...
1/3
2/3
3/3

在线预览结束,喜欢就下载吧,查找使用更方便

如果您无法下载资料,请参考说明:

1、部分资料下载需要金币,请确保您的账户上有足够的金币

2、已购买过的文档,再次下载不重复扣费

3、资料包下载后请先用软件解压,在使用对应软件打开

ASP在WEB页面信息传递中的应用浅析 Abstract: ASP(ActiveServerPages)isawidelyusedwebtechnologyfordevelopingdynamicwebpages.Itcanbeusedtocreateinteractivewebapplications,wheredatacanbeeasilytransferredbetweentheserverandtheclient.ASPplaysasignificantroleintheinformationtransmissionmechanismofwebpagesandwebsites. ThisessaywillanalyzetheapplicationofASPinwebpageinformationtransmission,includingitsfeatures,methodologies,andpracticalexamples. Introduction: Webpagesarenolongerjuststaticcontentbuthavebecomedynamicandinteractive.Thecommunicationbetweentheserverandthebrowseristhebackboneofthisinteractivity.Asaresult,server-sidescriptinglanguages,likeASP,havebecomeessentialinthedevelopmentofdynamicwebpages.ASP,developedbyMicrosoft,hasbeenaroundsincethelate1990sandisstillwidelyusedtoday.ASPoffersawiderangeoffeaturesaimedatsimplifyingthetransferofinformationbetweentheserverandtheclient. FeaturesofASP: ASPprovidesseveralusefulfeaturesforwebdevelopers.Theseinclude: 1.DataAccess:ASPprovidesasetofADO(ActiveXDataObjects)objectsthatenableeasydatabaseconnectivitywithavarietyofdatabases. 2.SessionManagement:ASPprovidessessionmanagementtechniquesthatallowtheservertomaintainstateinformationforeachuser. 3.UserAuthentication:ASPincludesasetoftoolsthatallowdeveloperstoauthenticateandsecureuseraccesstoresourcesbasedontheirlevelofauthorization. 4.ServerObjectInterface:ASPprovidesaServerObjectInterface(SOI)toaccessinternalserverfunctionalitysuchasemail,filesystem,andotherserver-specificoperations. MethodologiesofASP: ASPworksbyprocessingscriptsontheserverbeforeoutputtingHTMLtothebrowser.ThecodeusedinASPiscompiledandexecutedbytheserver,andanyoutputissentbacktothebrowser.ThefollowingarecommonmethodologiesusedinASP. 1.HTMLForm:Inthismethod,userinputiscollectedinanHTMLformandsentbacktotheserver.Theserver-sideASPcodethenprocessestheinputandgeneratesoutput. 2.QueryString:Whenauserclicksonalinkorsubmitsaform,theURLpassesvariablesinthequerystringthatcanberetrievedandprocessedbytheserver-sidescript. 3.POSTMethod:Thism