外文翻译--用VB构建INTERNET的应用.doc_第1页
外文翻译--用VB构建INTERNET的应用.doc_第2页
外文翻译--用VB构建INTERNET的应用.doc_第3页
外文翻译--用VB构建INTERNET的应用.doc_第4页
外文翻译--用VB构建INTERNET的应用.doc_第5页
已阅读5页,还剩3页未读 继续免费阅读

下载本文档

版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领

文档简介

INTERNETusedtobuildVBapplications【Abstract】DevelopmentofInternettechnologyastheprogrammertoprovideabroaderspacefortheirskill.EarlierInternetApplicationsisthewordrefertothosewithFTPprotocoltodownloadfilesorbrowsetheHTMLpagetool,nowuseVisualBasic,notonlythedevelopmentofapplicationsfortheInternet,butalsotheintegrationofInternettechnologyaspartoflarge-scalesolutionsin.【KeyWords】Internet;VisualBasic;ActiveXcomponents;technology;procedures.ThedevelopmentofInternettechnologyastheprogrammertoprovideabroaderspacefortheirskill.EarlierInternetApplicationsisthewordrefertothosewithFTPprotocoltodownloadfilesorbrowsetheHTMLpagetool,nowuseVisualBasic,notonlythedevelopmentofapplicationsfortheInternet,butalsotheintegrationofInternettechnologyaspartoflarge-scalesolution.HerethequestionstobediscussedistheuseofVisualBasictocreateapplicationsfortheInternetplayanimportantroleintheActiveXcomponent.Forexample,thecreationofActiveXcontrolscanbeusedforHTMLpages;thedevelopmentofActiveXdocumentscanbeusedinInternetbrowsersandothercomponentsintegratedtogetherandHTMLpages;otherActiveXcodecomponents(formerlyknownasOLEserver),canbedeployedtheclientorservercomputer,forbackgroundprocessing.A,InternetDevelopmentEnvironmentInternetistheuseofTCP/IPprotocol,aglobalnon-centralizedmanagementofcomputernetworks.Ifforthelocal,theso-calledInternetTechnologyandlocalLANcanbeusedinthesametechnology.Ontheonehand,Internettechnologydeveloperstoprovideaspacefortheirskill.IftheWebconnectionandtheuseofActiveXcomponents,althoughthespecificmethodstoachievedifferent,suchastheuseofHTMLandVBScriptcodeinordertoachievesecurity,butstillcallthemethod,setproperties,handleeventsandsoon.This,VBdevelopersofallknowledgeandskillshavebeenusedinInternetenvironment.Ontheotherhand,anextensionoftheapplicationofInternettechnologydevelopment.SuchasActiveXcomponentsandInternettechnologieshavethefollowingbenefits:easiertomaintain-asaWebpartofthenecessarycomponentscanbedownloadedwithouttheuserrunasetupprogramtoupgrade;willfeatureextendedtotheInternet-throughtheGeneralAgreement,theuserwillnotseeinbetweentheInternetandIntranetswitch.Second,Internetclient/serverCanuseclient/servertotesttherelationshipbetweentheInternetdevelopmentenvironment,clientandservercanhavestaticandthetwostates.Theactivitiesoftheclientortheservermaychangeitsinternalstateanddynamically,orrunascripttochangetheirbehavior;staticclientortheserverisonlyincentivetorespondtotheoutsideworld.Internetdevelopment,includingfourcases:astaticandpassiveclientserver;staticclientserverandactivities;theactivitiesoftheclientandtheserverstatic;activitiesandactivitiesoftheclientserver.Third,theuseofActiveXcomponentsWeb.ActiveXcomponentsforInternettechnologybringsnewfeatures.DownloadedthroughtheInternetcomponents,super-connected,themenufeaturesavarietyofconsultations,theActiveXcomponentsandInternetintegration,andcontentandapplicationshasbecomeincreasinglyblurredlinebetween;anothersitedueto(intheclientandserverbetween)thedistributionfunction,youcancreateamorescalableandflexiblesite.InternetapplicationsintheuseofActiveXdocuments,canbedevelopedandtheInternet/IntranetsiteoftheotherelementsofthetightintegrationofVisualBasicapplications.Developedtheuseofthesecomponentsoftheapplication,userscantransparentlyintheHTMLpagesandActiveXdocumentsmigrationbetween.ActiveXdocumentscanbeasaVisualBasicapplicationfortheInternettoprovidealmoststandardnowtocompletetheworkoftheapplicationcanachieveusingActiveXdocuments.AsanHTMLpageelements,iftheusersclientdoesnotinstallActiveXdocuments,andcanbedownloadedfromtheInternetautomatically;iftheclientontheolderversioncanalsobeautomaticallyupgraded.?ActiveXdocumentprovidesmanyfeaturestoinstallandnavigationperformance,andtoensurecontinuedconsistency:Internetcomponentdownload-cancreatealinktotheActiveXdocument,sothatthebrowsercanautomaticallyfindanddownloadalltherequiredcomponents.Ultra-connectedobjects-inasuper-connectedpacket-awarecontainer,youcanuseVisualBasictoconnectthesuper-objectpropertiesandmethods,JumptoagivenURLorthroughthenavigationhistorylist.Menuandconsultation-asaresultcangetWordorExceldocument,VisualBasicprovidestheActiveXDocumentembeddingitsmenuinyourbrowsermenufunctions.Forexample,whenbeingloadedintothedocumentinInternetExplorer,thebrowsersmenuwillbecreatedwiththeActiveXdocumentmixedmenu.PropertyBag-WheninInternetExplorerinthedeploymentofActiveXdocument,PropertyBagcanmaintaintheconsistencyofdataobjects.InInternetExplorerinthedeploymentofanActiveXdocumenttoHTMLpagethroughasuper-connectiontoconnecttotheActiveXdocument.1.TouseHTMLtocreatequoteconnecttheActiveXdocument.DocumentwillbeasaresultofActiveXinInternetExplorertoreplacetheHTMLpage,sotoOBJECTtagsoncomponentsofanotherHTMLpage.WhentheJumptothepage,oncetheActiveXdocumentisloaded,itwillimmediatelydisappear.2.UsingHTMLforthebrowseravailablefordownload,registrationandnavigationtothewaytheActiveXdocument.OBJECTtagintheActiveXdocumentshouldindicatethetypeofIDandtheCODEBASEattribute.3.Inthesamepage,InternetExplorerusingVBScriptinstructionsimmediatelythroughtheappropriatenavigationvbdfiletotheActiveXdocument.Fourth,intheInternetapplicationsuseActiveXcontrols.ActiveXcontrolforadynamicHTMLpage:theadoptionofHTMLandVBScript,inanHTMLpagecanuseActiveXcontrols,setitsproperties,callitsmethodsanditsevents;acontrolthatcontainstheHTMLpageasifthedesignofaVisualBasicthewindow,ActiveXcontrolscanprovidemorevividandinteractiveuserinterfacefeaturestomakeHTMLpagesmoredynamic.GeneralHTMLandVBScriptbymeansofacomprehensivereferenceandcontrolthebehaviorofActiveXcontrols.TheuseofHTMLforthebrowseravailablefordownload,registrationandreferencechannelsquotedActiveXcontrols.HTMLcodeintheOBJECTtagtoinclude:1.ControlthetypeofID,inordertoprocesstheregistryinWindowstofindthem;2.IDattributesinordertoinvokethecontrolinVBScript(VisualBasicissimilartotheNameattribute);3.CODEBASEattributetotellifthecomponentisnotthebrowserclienttofindwheretogo;4.PARAMNAMElabel,setthepropertiesofthecontrolparameters.PreparedtodealwithandthenuseVBScriptcodeclickeventssothateachcontrolbyclick,theprogramcanbeusedforthecorrespondingaction.isualBasicProfessionalEditionalsoincludesthreepre-designedpackagesforcontrolofInternetrelatedtechnologies,toexpandexistingapplications,theyare:InternetTransferControl-threeparcelsofcommonInternetprotocol:HTTP,FTPandGopher;WebBrowserControl-includesmanyavailablethroughtheInternetExplorerfeatures;WinSockControl-canconnecttoaremotemachine,andthenthroughtheUDPorTCPtoexchangedata.ThroughtheuseofthesecontrolscanbeaddedautomaticallyfromtheFTPsitetodownloadfiles,VisualBasicIDEcanalsoprovideWebbrowserAdd-in.InternetapplicationsintheuseofActiveXcodecomponents,whethertheclientortheserverside,youcanuseActiveXcodecomponents(dllorexefiles),soastoaddfeaturesHTMLpage.Thedeploymentofcodeontheclientcomponents,thereisnoneedasaresultofusercommandsaretransmittedoverthenetworkbacktotheserver,socangreatlyimprovethespeed.Server-sidecomponentcanalsodisplaytheuserinterfacefunctionsofvisualelements.BydownloadingaDLL,canbeaddedintheHTMLpagetheuserinterfaceelements,suchasalogondialogbox;alsoprovidebehind-the-scenesclientprocessingpower,suchasalibrarywithVBScript.AnotherDLLandInternettechnologywillbecombinedwiththewayitdeployedintheserver-side.IfthereisInternetInformationServer(IIS)(includedinWindowsNTServer4.0in),throughVisualBasiccustomsToolsdisk

温馨提示

  • 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
  • 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
  • 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
  • 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
  • 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
  • 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
  • 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

评论

0/150

提交评论