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1、畢業(yè)設(shè)計外文資料翻譯（譯文）題目名稱：JavaandtheInternet學(xué)院：計算機科學(xué)技術(shù)專業(yè)年級：計算機科學(xué)與技術(shù)（師）08級學(xué)生姓名：aaa班級學(xué)號：a班a號指導(dǎo)教師：aaa二○一一年五月十三日譯文題目：Java和因特網(wǎng)原文題目：JavaandtheInternet原文出處：http://wenku.baidu.com/view.htmlJavaandtheInternetIfJavais,infact,yetanothercomputerprogramminglanguage,youmayqu
2、estionwhyitissoimportantandwhyitisbeingpromotedasarevolutionarystepincomputerprogramming.Theanswerisn’timmediatelyobviousifyou’recomingfromatraditionalprogrammingperspective.AlthoughJavaisveryusefulforsolvingtraditionalstand-aloneprogrammingproblems,itis
3、alsoimportantbecauseitwillsolveprogrammingproblemsontheWorldWideWeb.1.Client-sideprogrammingTheWeb’sinitialserver-browserdesignprovidedforinteractivecontent,buttheinteractivitywascompletelyprovidedbytheserver.Theserverproducedstaticpagesfortheclientbrows
4、er,whichwouldsimplyinterpretanddisplaythem.BasicHTMLcontainssimplemechanismsfordatagathering:text-entryboxes,checkboxes,radioboxes,listsanddrop-downlists,aswellasabuttonthatcanonlybeprogrammedtoresetthedataontheformor“submit”thedataontheformbacktotheserv
5、er.ThissubmissionpassesthroughtheCommonGatewayInterface(CGI)providedonallWebservers.ThetextwithinthesubmissiontellsCGIwhattodowithit.Themostcommonactionistorunaprogramlocatedontheserverinadirectorythat’stypicallycalled“cgi-bin.”(Ifyouwatchtheaddresswindo
6、watthetopofyourbrowserwhenyoupushabuttononaWebpage,youcansometimessee“cgi-bin”withinallthegobbledygookthere.)Theseprogramscanbewritteninmostlanguages.Perlisacommonchoicebecauseitisdesignedfortextmanipulationandisinterpreted,soitcanbeinstalledonanyserverr
7、egardlessofprocessororoperatingsystem.ManypowerfulWebsitestodayarebuiltstrictlyonCGI,andyoucaninfactdonearlyanythingwithit.However,WebsitesbuiltonCGIprogramscanrapidlybecomeoverlycomplicatedtomaintain,andthereisalsotheproblemofresponsetime.Theresponseofa
8、CGIprogramdependsonhowmuchdatamustbesent,aswellastheloadonboththeserverandtheInternet.(Ontopofthis,startingaCGIprogramtendstobeslow.)TheinitialdesignersoftheWebdidnotforeseehowrapidlythisbandwidthwouldbeexhaustedforthekind
