JSP及其WEB技术外文资料翻译Word文档格式.docx

JSP及其WEB技术外文资料翻译Word文档格式.docx

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JSPAndWEBTechnology

书刊名：

《CommunicationsTechnology》作 者：

DamonHougland,AaronTavistock

出版社：

InfoQ，2010.3章 节：

Chapter3

页 码：

P34~P45

文 章 译 名：

JSP及其WEB技术

姓 名：

学 号：

指导教师（职称）：

专 业：

计算机科学与技术（工程方向）

班 级：

所 在 学 院：

计算机科学与工程学院

外文原文:

JSPandWEBtechnology

1JSPIntroduction

JSP（JavaServerPages）isaJava-basedscriptingtechnology.Isadvocatedby

SunMicrosystemsInc.,togetherwithanumberofcompaniesinvolvedintheestablishmentofadynamicwebpagetechnologystandards.JSPtechnologyissomewhatsimilartoASPtechnology,ItisatraditionalHTMLpagefile（*.htm,*.html）toinsertJavaprogramsegment（Scriptlet）andJSPtag（tag）,ToformtheJSPfile（*jsp）.WebdevelopmentwithJSPisacross-platformapplicationsthatcanrununderLinux,butalsoinotheroperatingsystems.IntheJSPofthe manyadvantages,oneofwhichisthatitwillbeHTMLencodedWebpagefromthebusinesslogicseparatedeffectively. JSPaccesswithreusablecomponents,suchasServlet,JavaBeanandJava-basedWebapplications.JSPalsosupportsdirectlyintheWebpageembeddedJavacode.JSPcanbeusedtwowaystoaccessdocuments:

JSPdocumentssentbythebrowserrequest,therequestsenttotheServlet.JSPtechnologyusesJavaprogramminglanguage,XML-typetagsandscriptlets,tohaveapackagedealwiththelogicofdynamicpages.Pagetagsand

scriptletscanalsoexistintheserveraccesstotheresourcesoftheapplicationlogic.JSPlogicandWebpagedesignanddisplayisolatedandsupportreusablecomponent-baseddesign,Web-basedapplicationsmorequicklyandeasilydeveloped.

TheWebserverwhenmeetsvisitstheJSPhomepagetherequest,firstcarriesoutsegment,willthencarryouttheresultcodetoreturntogetherwithJSPinthedocumentHTMLforthecustomer.TheinsertionJavasegmentmayoperatethedatabase,againthedirectionalhomepageandsoon,realizesthefunctionwhichtheestablishmentdynamichomepageneeds.JSPandJavaServletarethesame,isintheserverendexecution,usuallyreturnstothisclientsideisaHTMLtext,thereforeclientside,solongashasthebrowsertobeabletoglanceover.

TheJSPpageiscomposedoftheHTMLcodeandtheinsertingJavacode.TheserverinthepagebytheclientsidewasrequestedthatlaterwillcarryonprocessingtotheseJavacode,willthenproducetheHTMLpagewillreturngivestheclientsidethebrowser.JavaServletistheJSPtechnologybase,moreoverthelarge-scaleWebapplicationprocedure'

sdevelopmentneedsJavaServletandtheJSPcoordinationcancomplete.JSPhadtheJavatechnologysimplyeasytouse,completeobject-oriented, hadtheplatformindependency,andsafereliable,mainlyfacedInternet'

sallcharacteristics.

2JSPcomputingtechnique

Tocarryonthedynamicwebsiteconvenientlyfastthedevelopment,JSPhasmadetheimprovementinthefollowingseveralaspects,causesittobecomebuildsthecrossplatformfastthedynamicwebsitefirstchoiceplan.

2.1carriesonthecontentproductionandthedemonstrationseparates

WiththeJSPtechnology,theWebpagedevelopmentpersonnelmayuseHTMLortheXMLmarkingdesignandtheformattedfinalpage,andusestheJSPmarkingorthetootsyproducesonpage'

sdynamiccontentoriginally.Productioncontent'

slogicissealedinmarksandintheJavaBeansmodule,andtiesup inthescript,allscriptsinserver endmovement.BecausecorelogicissealedinmarksandinJavaBeans,thereforetheWebadministrativepersonnelsandthepagedesigner,caneditandusetheJSPpage,butdoesnotaffectthecontenttheproduction.Intheserverend,theJSPengineexplainedthattheJSPmarkingandthescript,producethecontentwhichrequested,and（orXML）page'

sformtransmitstheresultbyHTMLthebrowser.Thisbotharehelpfulintheauthorprotectsowncode,andcanguaranteeanybasedontheHTMLWebbrowser'

scompleteusability.

2.2mayentrustwithheavyresponsibilitythemodule

Theoverwhelming majorityJSP pagereliesonmayentrustwithheavyresponsibility,thecrossplatformmodule（JavaBeansorEnterprisetheJavaBeansmodule）carriesoutcomplexprocessingwhichtheapplicationprocedurerequests.Thedevelopmentpersonnelcanshareandexchangetheexecutionordinaryoperationthemodule,orcausesthesemodulesusesformoreusersandthecustomerassociation.Hasacceleratedtheoveralldevelopmentprocessbasedonmodule'

smethod,andcauseseachkindoforganizationobtainsbalancedintheirexistingskillandintheoptimizedresultdevelopmentendeavor.

2.3usesmarking

TheWebpagedevelopmentpersonnelwillnotbethefamiliarscriptlanguageprogrammers.TheJSPtechnologyhassealedmanyfunctions,thesefunctionsareeasytouse,markingtocarryonthedynamiccontentproductionwithJSPintherelatedXMLtoneed.ThestandardJSPma