09) ebi_script

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1、EBIandActiveX...thetechnologyofthefuture!Microsoft’sActiveXtechnologyWhatisActiveX?ActiveXisasuiteofnewtechnologiesfromMicrosoftwhichallowinteractivecontentonapage.ActiveXisbasedonCOM(ComponentObjectModel)Microsoft’sInternetExplorer3.0(andtheirupcoming4.0)incorp

2、oratemanyActiveXtechnologies.NowEBIalsoleveragesoffActiveXtechnologiesandtheadvancesbeingmadewiththeworldwideweb.ActiveXtechnologywithEBIWhatcanwedowithActiveXinEBI?ActiveXScripting:VBScriptcanbeusedtocontroltheinteractionofdisplayelementsonanEBIpage.ActiveXDocu

3、ments:Stationcanviewvariousdocuments,e.g.WordorExceldocumentsonapage.I.E.BrowserObject:StationcanviewwebpagesfromanIntranetorInternetserverundertightcontrolOLEAutomation:AVisualBasicapplicationcancontrolstationthroughsimpleOLEautomationcalls.ActiveXScriptinginSt

4、ationWhatdoesActiveXScriptinginEBIdisplaysmean?UsingVBScript,awiderangeofpowerfulapplicationscanbecreatedAttachVBScriptcodetodisplayelementswithinStationsuchas:Attachcodetoapage,acombobox,arectangleetcCodeisactivatedonyourchoiceofeventsuchas:onmouseenter,onchang

5、eofvalue,onmouseclicketcThescripteditorisavailablethroughDisplayBuilderWhatdoesActiveXScriptinglooklike?ObjectDetailsPageDetailsScriptEditorMenuActiveXScriptingWhywouldIuseActiveXScripting?ScriptsareusedtoenhanceEBIdisplaysUsetoprovidedisplayanimationsuchasobjec

6、tsmovingonthescreen-doorscanopenandclose,carsandpeoplecanmoveobjectsappearingordisappearingbasedoncertainconditions-showonlywhatiscurrentlyrelevantPopupdialogboxesforinformationandconfirmationMessagespoppedupinthemessagezoneNote:Scriptsonlyhaveanindirectlinktoth

7、eEBIdatabasesoarenotgenerallyusedforEBIdatamanipulationExampleScriptsPopupDialogboxforoperatorconfirmationofamanualcontrolSafeBrowse-viewingthewebwithStationStationcanactasaWebBrowserandsupportsnavigationtoURLsWebsitescanbeviewedintheStationWindowNavigationthrou

8、ghhyperlinksistightlycontrolledbyspecifyingarangeofURLstowhichyouareauthorizedtogoSecurityofanEBIworkstationwiththepoweroftightlycontrolledIntranetorInternetaccessBea