xquery

1

目录

一、Analysisoffunctionrequirement..............................................................................................2

1.1Introduction................................................................................................................2

1.2U...............................................................................................................................2

1.3OperatingEnvironment...............................................................................................5

1.4Theprocessofusing...............................................................................................5

二、Descriptionoftechnologyframework......................................................................................7

2.1FRAMEWORK............................................................................................................7

2.2B/SstructureandXML................................................................................................8

三、Detaileddesign..........................................................................................................................9

3.1Generalframeworkdesign(总体架构设计)................................................................9

3.2projectpicturesincludingthepackagesandclass................................................9

3.3UMLforproject,includingclassdiagram,ucaandquencediagram.............14

3.4Databadesign........................................................................................................22

3.5XMLdesign................................................................................................................25

四、Test..........................................................................................................................................28

4.1Theteststrategy.....................................................................................................28

4.2Thetestcas,includeblack-boxtesting,white-boxtestingandgray-boxtesting.

.........................................................................................................................................37

4.3Testextremedata...................................................................................................37

五、Analysisofthetoughtechnologyandfeatures.......................................................................38

5.1xml.............................................................................................................................38

5.2eXist........................................................................................................................39

5.3JavaBean................................................................................................................40

5.4Jquery........................................................................................................................40

5.5Ajax............................................................................................................................41

六、Summaryabouttheprojectandthecour...........................................................................41

七、Appendix.................................................................................................................................42

7.1CreateXMLFile........................................................................................................42

7.2SearchXML..............................................................................................................43

7.3UpdateOperate......................................................................................................48

八、References..........................................................................................................................54

2

一、Analysisoffunctionrequirement

1.1Introduction

1.1.1Thepurpoofur'smanual

Thepurpoofthisurs'manualistoenableurstoknowmoreclearlyaboutoursystem

andfacilitatetheurs’getedreadersarecommonursbutnotexperts.

1.1.2Background

Explanation：

tName：PigeonNewsPublishingSystem；

thor：haoLi

chers：JiJiaXiong，LinLeiLei，LiXueYun，ZengQi；

er：JiJiaXiong，LinLeiLei，LiXueYun，ZengQi；

1.1.3Definition

Mysql-----Open-sourceRelationaldataba

eXist-db------eXist-dbisanopensourcedatabamanagementsystembuiltusingXML

esXMLdataaccordingtotheXMLdatamodeland

featurefficient,index-badXQueryprocessing.

Xquery-----AnXMLQueryLanguage；

Xpath-------XMLPathLanguage(XMLPathLanguage),whichisanXML

documentudtodeterminethelocationofapartofthe

language

Jquery----Isacross-browrJavaScriptlibrary,andstrengthentheoperation

betweentheHTMLandJavaScript

IDE------alsoknownasintegrateddesignenvironmentorintegrateddebuggingenvironment

isasoftwareapplicationthatprovidescomprehensivefacilitiestocomputer

programmersforsoftwaredevelopment.

1.2U

1.2.1Function

a．Function：

3

a)webdeveloper：Forurstobrow,manipulate,test,theexam,courlection,

registrationaccount。

b)webprogramme：

Administrator

❖add_cour

❖update_cour

❖delete_cour

❖add_ur

❖update_ur

❖delete_ur

❖viewallurinfo

❖read_msg

❖nd_msg

❖add_msg

❖addnotice

❖viewnotice

❖changepassword

❖logout

❖Relogin

Dean

❖readExamination

❖analy_exam

❖makePaper

❖readPaper

❖viewBlank

❖read_msg

❖nd_msg

❖add_msg

❖modifypassword

❖logout

❖Relogin.

Teacher

❖makePaper

❖readExamination

❖analy_exam

❖read_msg

❖nd_msg

❖add_msg

❖modifypassword

❖logout

❖Relogin

4

Administrators

❖Managementofurinformation

❖Addurinformation.

❖Deleteurinformation.

❖Updateurinformation

❖Changepassword.

❖Returntohomepage.

❖Relogin.

b．LimitsRange：

a)webdeveloper：No；

b)webprogramme：employeecannotactbeyondtheirauthority，Cannot

arbitrarilychangetheitembankinthetitle；

1.2.2Performance

1.2.2.1Timecharacteristics

time：1-2Seconds；

singtime：1-3Seconds；

ingtime：1-3Seconds；

1.2.2.2Flexibility

ionway：

webdeveloper：Openabrowr,entertheURLvisitthewebsite；

webprogramme：Openabrowrandenterbackgroundoperation（；

ingEnvironment：

Win7/Vista/XP/Win2003

1.2.3Security

tyDesign：LoginwithPassword

entialitydesign：AnonymousLogin

webprogramme:Afterenteringtheaccountpassword,itautomatically

jumpstotheurinterface

webdeveloper:Itdoesnotdisplaytheur'sbrowsingProcess

lyreachedability：

a)LoginwithPassword；

b)Confidentialityofinformation；

5

1.3OperatingEnvironment

1.3.1Datastructure

a．Mysql：Udtostoreurs’informationforadministratorstomanage；

b．XML：UdtostoreNews；

c．eXist：Udtostore,modifyanddeleteXMLfilesfortechnicalpersonneltooperate

XML

1.4Theprocessofusing

1.4.1InstallationandInitialization

a．Installation：

webdeveloper：Installthebrowr；

webprogramme：InstallingIDE,Databa(eXist),configureJBoss；

b．Initialization：InputdatatoXMl(pageinput,thedatabainput),

initializationXML；

1.4.2Input

a．Datainput：PayattentiontotheformatwheninputtingdatatoXMl。

b．Parameterspreparation：Formaldata。

1.4.2.1Therealisticbackgroundoftheinputdata

ion：Personnelchanges,newsupdatesandchanges；

quencyofsituations：Cyclical,random；

ofsituation：WritingQuestions,updateTestquestionbank；

：keyboard；

：Inputteddatamustbeimplementedonthebasisofthewritingprovisions；

yManagement：inputteddatawillbetestedbytherelevantdepartmentsand

thebelowstandarddatawillbereturnedandrewrited;

te：DeandecidewhethertheQuestionsbankwillbeupdateandalter.

1.4.2.2OutputFormat

a．Head：ExaminationSubjects,Time,Instructor；

6

b．Body：Questions；

c．Tail：ExaminationStatusTips。

1.4.3Toexplaintheoutputofeachoutput

1.4.3.1Therealisticbackgroundoftheoutputdata

a．U：TheQuestionsPreparedbytheteacherwillbeauditbythedeanandthen

cidewhethertheyissuetheQuestionsandthe

releadoneswillbebrowedbytheurs.

b．Thefrequencyofasituation：Cyclical,Regular,random；

c．Media：Monitor；

d．QualityManagement：Relevantdepartmentsareresponsibletoexaminethenews.

Dominate：ChiefEditorshavetheownershipofthereleaandrevocationofthenews.

Urs’reactioncanindirectlydominatetheownership.

1.4.3.2OutputFormat

a．Header：ExaminationSubjects,Time,Instructor；；

b．Body：Questions；

c．Tail：ExaminationStatusTips。

1.4.4Query

a．Queryfunction：thesystemhasthefunctionofreferringtothecour-Info、teacher-Info、

ayinputanykeywordintheinquiringcolumnandthekeyword

eisnoresults,itshowsan

emptyresult,remindingtheursthatnorelevantkeywordsarefound.

b．inquirymode：

rtistobeprofessionalknowledge.

1.4.5Errorhandlingandrecovery

Erroroccurred：Thesystemerrorsaregenerallynotcaudbyurs’operation,andthe

ursmayuateast;

ErrorRecovery：Maintenancebyprofessionals；

7

1.4.6TerminalOperation

Operatingterminal：

webdeveloper：Installthebrowrandthecomputercanbeconnectedwiththe

InternetortheLocalAreaNetwork

webprogramme：operablerversthatcanbeconnectedwiththeInternetorthe

LocalAreaNetwork

二、Descriptionoftechnologyframework

2.1FRAMEWORK.

iewlayer,theroleofthestudents

cher,whocan

examinetheexaminationpapersortthepaper,nmodifyanddelete

thepaperfromallteachersorviewthemessage,heyndtherequest,

thecontrollayerwouldprocesstherequestandtaketheinformationfromtheModellayer

totheviewlayer.

图2.1.1MVCmodel

图2.1.2Scandalousdeploymentfigure

8

2.2B/SstructureandXML

Weuopensource,chooB/SstructureandXML

opensource

Inopensource,ngeXistbecauitcanbea

ver

otherhand,opensourcehasthefollowingfourdistinctadvantage:urce

technologyisaverylowcostandhasveryloworevenzerocostinexitbarriers

archanddevelopment,it

eour

sourcecodearesharedontheInternet,sonocret.

B/Sarchitecture

Inthissystem,weuB/eB/Sstructurecanbecombinedwith

chievepower

functionbeforeusingspecialandcomplexsoftwares,whichcansavealotofcostin

development.B/SbadontheWAN,whichisfordifferenturgroupsandgeographic

r,C/Sstructurecann’thatB/Sbadonthe

browr,soitcanbecross-platformbyWEBrvicesorotherpubliccanidentifythe

ybeenudinWindowplatform,but

B/SstructurecanbeudinUnix/tion,intheperformanceofthe

system,B/Sadvantageisthatanytime,anyplace,anysystem,solongascanuthe

browrontheInternet,youcanutheB/s,mostC/S

structureofsoftwarearedirectlyconnectedtothedatabathroughODBC,whichwould

eeachurwillbeconnectedto

thedatabatomaintainaODBCconnection,soresourceshavebeenoccupiedallthe

ontrary,allursareusingaJDBC

connectionpooltoconnecttothedatabaintheB/,theurdoesnot

maintainaconnectiontothedatabaandsubscribersbasicallyislimitless.

UsingXMLtostorethenewsinformation

edwith

otherdataformats,amajoradvantageofXMListhatitisverysimilartotheobjectdata

hemostofcurrentprogramdesignanddevelopmentisobject-oriented,

sousingXMLtoexpressiondatathatcanenabledataprocessinganddisminationhas

y,XMLformatisversatility,convenient,andhighefficiency,

ly,XMLhastheadvantageofkeepingthe

document,whichstoringdata,,thedatabeextracted

atacanbeudorcalledina

tion,weknowthatXMLixtensiblemarkuplanguage,so,

ingdatainXML,youcanlargely

toneisthatXMLbrokeallkindsoffortresson

networks,whichleadtovalueofthedatacanflowandexchangebetweenthem,andto

achievethebusinesspurposofsharinginformation.

9

三、Detaileddesign

3.1Generalframeworkdesign(总体架构设计)

3.1.1TheGeneralprinciplesofdesignforthesystem

fication(简单化)

Thesystemshouldbeeasytouwhenmeettherequirementandreach

thegoalofexpectation.

ility(灵活性)

ThesystemshouldadapttothechangesoftheEnvironment.

ility(可靠性)

Thesystemshouldhaveahighreliability.

3.2projectpicturesincludingthepackagesandclass.

Picture3.2.1thejavacodeofeXistdateba

10

Picture3.2.2thejavacodeofroles

Picture3.2.3allthefilesoftheadmin

11

Picture3.2.4allthefilesofthedean

12

Picture3.2.5allthefilesofthestudent

Picture3.2.6allthefilesoftheteacher

13

Picture3.2.7allthefilesofthecss

Picture3.2.8allthefilesofthejar

14

Picture3.2.9allthefilesofthejs

3.3UMLforproject,includingclassdiagram,ucaand

quencediagram.

Picture3.3.1quencediagramoflogin

15

Picture3.3.2quencediagramofstudenttakeexam

Picture3.3.3quencediagramofteachermakequestion

16

Picture3.3.4quencediagramofstudentcheckscores

Picture3.3.5quencediagramofteacherReviewpapers

17

Picture3.3.6classdiagramofteacher

Picture3.3.7classdiagramofdean

18

Picture3.3.8classdiagramofstudent

Picture3.3.9classdiagramofadmin

19

Picture3.3.10classdiagramofteacher

Picture3.3.11classdiagramofthepaper

20

Picture3.3.11classdiagramofthestudent

Picture3.3.12classdiagramofthequestionbank.

21

Picture3.3.12classdiagramoftheadmin.

Picture3.3.13classdiagramoftheupdateoperationfortheeXist.

22

Picture3.3.14classdiagramoftheSearchxmlfiles.

Picture3.3.14classdiagramoftheCreatexmlfiles.

3.4Databadesign.

heobject-orienteddataba–eXisttostoreandmanagethexml

sanopensourcedatabamanagementsystementirelybuiltonXML

technology,mostrelationaldataba

managementsystems,eXistusXQuery,whichisaW3CRecommendation,to

manipulateitsdata.

23

Picture3.4.1TheflowofOODB-Existprocessingdata

Picture3.4.2eXistXqueryStatement

24

Picture3.4.3eXiststoreXMLfiles

Picture3.4.4eXiststoreXMLfiles

25

3.5XMLdesign

Picture3.5.1theXMLfilesoftheadmin

Picture3.5.2theXMLfilesofthecour

26

Picture3.5.3theXMLfilesofthequestionsBlank

Picture3.5.4theXMLfilesofthestudent

27

Picture3.5.5theXMLfilesoftheteacher

Picture3.5.6theXMLfilesofthestudentexam

28

四、Test

4.1Theteststrategy

(Wechootheblack-boxtestingmethodtotestthesystem.)

4.1.1Introduce

onfirm

eachfunctionhavebeenfinishednormallyornotbytheblack-boxtestingmethod.

Intesting,theprogramasacannotopentheblackbox,whilenotconsideringthe

internalstructureandinternalcharacteristicscompletely,testerstesttheprogrambythe

programminginterfaces.

Blackboxtestingonlycheckwhethertheprogram’sfunctionscanunormally

accordingtotheproductrequirementspecificationandtheprogramcanprintaright

resultwhentheurshaveaappropriateinputornot,andkeeptheintegrityofexternal

information(suchasdatabaordocuments).

4.1.2Testdesigntechniques

Typicalblack-boxtestdesigntechniquesinclude:

•Decisiontabletesting.

•All-pairstesting.

•Statetransitiontables.

•Equivalencepartitioning.

•Boundaryvalueanalysis.

4.1.3Whatisblack-boxtesting.

Black-boxtestingismainlytofoundthefollowingcategorierrors:

rtherebeincorrectoromissionsfunctions?

nterfaces,canacceptinputcorrectlyorCanoutputthecorrectresult?

rthereisadatastructureerrorsorexternalinformation(forexampledatafiles)

errors?

rtheperformancecanmeettherequirements?

rhaveinitializationorterminatemistake?

29

4.1.4Functionstesting.

Onlytestingthefunctionsofadiminandteacher.

4.1.4.1Administror’sfunctiontesting:

Picture4.1.4.1Loginmodeltesting

Picture4.1.4.2adminmodelindex

30

Picture4.1.4.2adminaddateacher

Picture4.1.4.3adminaddacour

Picture4.1.4.4adminaddanotice

31

Picture4.1.4.5adminviewthenotice

Picture4.1.4.6adminaddadean

Picture4.1.4.7adminupdatetheur’sinformation

32

Picture4.1.4.8admindeletetheur’sinformation

Picture4.1.4.9adminviewtheurs’information

Picture4.1.4.10adminupdatethecour’sinformation

33

Picture4.1.4.11admindeletethecour’sinformation

Picture4.1.4.12adminaddamessagetothedean

Picture4.1.4.13adminviewthemessagetotheteacher

Picture4.1.4.13adminviewthemessagetothehim

34

Picture4.1.4.13adminchangepassword

4.1.4.2Teachers’functiontesting:

Picture4.1.4.2.1teacherindex

Picture4.1.4.2.2teachermakesinglequestions

35

Picture4.1.4.2.3teachermakeJudgequestions

Picture4.1.4.2.4teachermakeSubjectivequestions

Picture4.1.4.2.5therecordsofteachermakingquestions

Picture4.1.4.2.6teacherreviewingpapers

36

Picture4.1.4.2.7teacherAnalyzingpapers

Picture4.1.4.2.8teacherwritinganotice

Picture4.1.4.2.9theoutboxesofteacher

Picture4.1.4.2.10theinboxofteacher

37

Picture4.1.4.2.11teacherchangepassword

4.2Thetestcas,includeblack-boxtesting,white-box

testingandgray-boxtesting.

Testcasareatoftestinputs,executeconditionsandtheexpectedresults

designedforaspecificpurpoofTotestextremedata,anditistheminimumentity

executed.

Hereisatestcaforloginfunctionmodel:

4.3Testextremedata

Boundaryvalueanalysis(BVA)isablackboxtestingmethodudtotesttheboundary

valuesofinputoroutput.

theboundaryvaluetestprinciple

1)iftheinputconditionsstipulatedthemaximumnumberofmaximalnumberisud,

theminimumnumber,thenumberofsmallathanthesmallestnumber,thanthelargest

numberfreshmannumberastestdata.

2)iftheinputconditionsstipulatedthevalueofscope,itshouldbetakenjustreached

thisrangeboundariesvaluesandjustbeyondthisboundaryvalueasatestinputdata.

3)iftheprogramwasudinaninternaldatastructure,shouldchootheinternal

datastructuresoftheboundaryvalueastestcas.

4)iftheprogramspecificationgiveninputfieldsoroutputdomainisorderedt,should

belectedtthefirstelementandthelastelementastestcas.

5)analysisprogramspecification,andfindouttheotherpossibleboundaryconditions.

monboundaryvalue

1)screencursorintheupperleft,mostlowerposition.

2)arrayelementofthefirstandthelastone.

3)Thefirstlineandthelastlineofstatements.

38

4)The0times,thefirsttime,reciprocalcondandfinalofloop.

五、Analysisofthetoughtechnologyand

features

5.1xml

TechnologyTechnology

descriptions

Content

XML

HistoryTheversatilityofSGMLfordynamicinformation

displaywasunderstoodbyearlydigitalmediapublishersinthe

id-1990s

somepractitionersofSGMLhadgainedexperiencewiththe

then-newWorldWideWeb,andbelievedthatSGMLoffered

solutionstosomeoftheproblemstheWebwaslikelytofaceas

nollyaddedSGMLtothelistofW3C'sactivities

whenhejoinedthestaffin1995;workbeganinmid-1996when

SunMicrosystemngineerJonBosakdevelopedacharterand

aswellconnectedinthesmall

communityofpeoplewhohadexperiencebothinSGMLandthe

Web.

Key

terminology

.(Unicode)Character

.rocessorandApplication

.MarkupandContent

.Tag

.Element

.Attribute

.XMLDeclaration

Characters

andescaping

.Validcharacters

.Encodingdetection

.Escaping

.Comments

.Internationalu

39

5.2eXist

TechnologyTechnology

descriptions

Content

eXist

introduceeXistisanopensourcedataba

managementsystementirelybuiltonXML

technology,alsocalledanativeXML

mostrelationaldataba

managementsystems,eXistusXQuery,

whichisaW3CRecommendation,to

manipulateitsdata.

eXistBenefitXistallowssoftwaredeveloperstopersist

XMLdatawithoutwritingextensive

ollowsandextends

manyW3CXMLstandardssuchasXQuery.

eXistalsosupportsRESTinterfacesfor

interfacingwithAJAX-typewebforms.

ApplicationssuchasXFormsmaysave

theirdatabyusingjustafewlinesofcode.

TheWebDAVinterfacetoeXistallowsurs

to"draganddrop"XMLfilesdirectlyintothe

eeXist

automaticallyindexesdocumentsusinga

keywordindexingsystemitisveryeasyto

createhigh-performancedocumentarch

systemswitheXist.

eXistStandards

andTechnologies

eXisthassupportforthefollowing

standardsandtechnologies

XPath-XMLPathlanguage

XQuery-XMLQuerylanguage

WebDAV-Webdistributedauthoringand

versioning

REST-Reprentationalstatetransfer

(URLencoding)

SOAP-SimpleObjectAccessProtocol

XACML-XMLAccessControlLanguage

XInclude-rver-sideincludefileprocessing

(limitedsupport)

XML-RPC-aremoteprocedurecall

protocol

XProc-aXMLPipelineprocessing

language

40

5.3JavaBean

TechnologyTechnology

descriptions

Content

JavaBean

IntroduceJavaBeansarereusablesoftwarecomponents

forJavathatcanbemanipulatedvisuallyina

cally,theyareclasswritten

intheJavaprogramminglanguageconforming

eudto

encapsulatemanyobjectsintoasingleobject

(thebean),sothattheycanbepasdaroundas

asinglebeanobjectinsteadofasmultiple

eanisaJavaObject

thatisrializable,hasanullaryconstructor,

andallowsaccesstopropertiesusinggetterand

ttermethods

JavaBean

conventions

Therequiredconventionsare:

Theclassmusthaveapublicdefaultconstructor

(no-argument).Thisallowasyinstantiation

withineditingandactivationframeworks.

Theclasspropertiesmustbeaccessibleusing

get,t,is(udforbooleanpropertiesinstead

ofget)andothermethods(so-calledaccessor

methodsandmutatormethods),followinga

lowasy

automated

inspectionandupdatingofbeanstatewithin

frameworks,manyofwhichincludecustom

editorsforvarioustypesofproperties.

lows

applicationsandframeworkstoreliablysave,

store,andrestorethebean'sstateinafashion

independentoftheVMandoftheplatform.

5.4Jquery

TechnologyTechnology

descriptions

Content

IntroduceJqueryisaexcellentframeworkoftheJavascript

41

Jquery

uuJquery,youwould

who

usuchaparabletocompareprototypeand

jquery:PrototypeasJava,whilejquerylikeruby.

featureComparedtoJavascript,Jqueryismoresimple

emanyfunctionsarealready

feeldifficult,becauthe

r,as

longasweoperatingskilled,wewouldlikeit.

5.5Ajax

TechnologyTechnology

descriptions

Content

Ajax

Introduce

AJAXis“AsynchronousJavaScriptandXML”.This

the

clientscriptsntanHTTPrequest(XMLHTTP)

thatthefirstcomponentbyOutlookWebAccess

mponentoriginallyowned

byMicrosoftExchangeServer,andquickly

becamepartofInternetExplorer4.0.

feature1:AJAXprospectveryoptimistic,itcanimprove

systemperformance,optimizetheurinterface

2:AJAXdevelopersmustunderstandthe

traditionalMVCframework,whichlimitingthe

boundariesbetweenapplicationlevels.

六、Summaryabouttheprojectandthe

cour

AboutXMLandthenewsreleasystem,Ihaven'ttouchedbeforeandherearesome

feelingaboutthem.

Feelingforxml:

XMLisExtensibleMarkupLanguage,anditissametotheHTML,alltheyareStandard

GeneralizedLanguage(SGMLcreating,StandardgeneralMarkupLanguage).Xmlisa

technologythatcross-platformanddependingonthecontentintheInternetenvironment,

anditis

addition,XMLisasimpledatastoragelanguage,usingariesofsimplemarksto

42

ghit

covermorespacethanthebinarydata,butitiasytograspanduextremelysimple.

hiscourandxml,aboutxml,itwillbeud

moreandmoreinthefurture.

WiththedevelopmentoftheInternet,networkmediastatushaveimprovedinpeople's

heart,andnewsreleasystemasthecoresysteminthenetworkmedia,itismoreand

nehand,itprovidesafunctionthatmanageandreleanews

andOntheotherhand,nowthenewsreleasystemallowtointeractwiththeordinary

urs,andurscaneasilytoattendsomeinvestigationandrelatednewscomment,

that'ayaslongasyouonthe

Internet,ationpapersgenerator

willbeudmoreandmorewiththedevelopmentoftheinternet.

七、Appendix

7.1CreateXMLFile

packageeXist;

Keys;

Service;

Manager;

tion;

ceSet;

ce;

xception;

ceIterator;

;

ource;

eQueryService;

;

List;

;

publicclassCreateXMLFile{

staticStringURL="xmldb:exist://localhost:8080/exist/xmlrpc/db/examination";

//Stringdriver="Impl";

publicstaticvoidcreateStudentRoot(StringxmlName){

execute(xmlName,"");

}

publicstaticvoidcreateCourRoot(StringxmlName){

execute(xmlName,"");

43

}

publicstaticvoidcreateBlankRoot(StringxmlName){

execute(xmlName,"");

}

publicstaticvoidcreateTeacherRoot(StringxmlName){

execute(xmlName,"");

}

publicstaticvoidcreateExamRoot(StringxmlName){

execute(xmlName,"");

}

publicstaticvoidcreateAdminRoot(StringxmlName){

execute(xmlName,"");

}

privatestaticvoidexecute(Stringxmlname,StringtypeNode){

try{

Classcl=e("Impl");

Databadataba=(Databa)tance();

perty("create-databa","true");

erDataba(databa);

Collectioncol=lection(URL,"admin","");

XMLResourceres=(XMLResource)Resource(xmlname,"XMLResource");

tent(typeNode);

esource(res);

}catch(ClassNotFoundExceptione){

//TODOAuto-generatedcatchblock

tackTrace();

}catch(InstantiationExceptione){

//TODOAuto-generatedcatchblock

tackTrace();

}catch(IllegalAccessExceptione){

//TODOAuto-generatedcatchblock

tackTrace();

}catch(XMLDBExceptione){

//TODOAuto-generatedcatchblock

tackTrace();

}

}

}

7.2SearchXML

packageeXist;

.*;

44

ute;

nt;

ntException;

ntHelper;

t;

;

der;

Service;

Manager;

tion;

;

ceIterator;

ceSet;

xception;

publicclassSearchXML{

privateCollectioncollection;

privateStringxmlName;

privateResourceSetresultSet;

privateStringXQUERY_1;

privateString[]blank;

privateMapmap;

publicResourceSetgetResultSet(){

returnresultSet;

}

//获取结果集

publicvoidtResultSet(ResourceSetresultSet){

Set=resultSet;

}

//对获取到的值经过处理后才返回

publicArrayList

collectionToService();

XQueryServicervice;

ArrayList

try{

rvice=(XQueryService)vice("XQueryService",

"1.0");

Set=(xquery);

//n(resultSet.);

//遍历结果集并对查到的结果进行整理，且是把每一条新闻的信息放到一个Map类中

for(ResourceIteratori=rator();

eResources();){

45

Stringstr=(String)source().getContent();

//n(str);

map=newHashMap();

//SAXReaderreader=newSAXReader();

Documentdocument=ext(str);

(tElement().getName(),

tElement().getText());

Listlist1=((Element)tElement()).attributes();

if(()>0){

for(intj=0;j<();j++){

Attributeattr=(Attribute)(j);

if(attr!=null)

(e(),ue());

}

}

treeWalk(tElement());

(map);//把Map类放到数组中

}

returnlist;

}catch(XMLDBExceptione){

//TODOAuto-generatedcatchblock

tackTrace();

}catch(DocumentExceptione){

//TODOAuto-generatedcatchblock

tackTrace();

}

returnlist;

}

//直接取得要求的值

publicArrayList

collectionToService();

XQueryServicervice;

ArrayList

try{

rvice=(XQueryService)vice("XQueryService",

"1.0");

Set=(xquery);

//n(resultSet.);

//遍历结果集并对查到的结果进行整理，且是把每一条新闻的信息放到一个Map类中

for(ResourceIteratori=rator();

eResources();){

Stringstr=(String)source().getContent();

//n(str);

46

map=newHashMap();

//SAXReaderreader=newSAXReader();

Documentdocument=ext(str);

(tElement().getName(),str);

(map);//把Map类放到数组中

}

returnlist;

}catch(XMLDBExceptione){

//TODOAuto-generatedcatchblock

tackTrace();

}catch(DocumentExceptione){

//TODOAuto-generatedcatchblock

tackTrace();

}

returnlist;

}

publicintdoQuery1(Stringxquery){

//n(condition);

collectionToService();

XQueryServicervice;

try{

rvice=(XQueryService)vice("XQueryService",

"1.0");

Set=(xquery);

//n(resultSet);

if(!rator().hasMoreResources())

return0;

String

tem=(String)rator().nextResource().getContent();

if(tem=="")

return0;

intnum=nt(tem);

returnnum;

}catch(XMLDBExceptione){

//TODOAuto-generatedcatchblock

return0;

}

}

privatevoidtreeWalk(Elementelement){

//TODOAuto-generatedmethodstub

for(inti=0;i

Nodenode=(i);

if(nodeinstanceofElement){

47

Stringstr=t();

//str=eAll("","");

//str=eAll("n","");

(e(),str);

//获取属性的值

Listlist=((Element)node).attributes();

if(()>0){

for(intj=0;j<();j++){

Attributeattr=(Attribute)(j);

if(attr!=null)

(e(),ue());

}

}

treeWalk((Element)node);

}

}

}

publicvoidcollectionToService(){

String

URL="xmldb:exist://localhost:8080/exist/xmlrpc/db/examination";

try{

Classcl=e("Impl");

Databadataba=(Databa)tance();

erDataba(databa);

collection=(Collection)

lection(URL,"admin","");

}catch(ClassNotFoundExceptione){

//TODOAuto-generatedcatchblock

tackTrace();

}catch(InstantiationExceptione){

//TODOAuto-generatedcatchblock

tackTrace();

}catch(IllegalAccessExceptione){

//TODOAuto-generatedcatchblock

tackTrace();

}catch(XMLDBExceptione){

//TODOAuto-generatedcatchblock

tackTrace();

}

}

}

48

7.3UpdateOperate

packageeXist;

Manager;

tion;

;

xception;

s.*;

publicclassUpdateOperate{

privateCollectioncollection;

publicUpdateOperate(){

//连接到服务器

collectionToService();

}

//在指定的节点后插入名为elementName的新的节点

publicvoidinrtAfter(Stringlocation,StringelementName,Stringvalue){

Stringxupd="

xmlns:xupdate='/xupdate'>"+

""+

""+

value+

""+

""+

"";

saveUpdate(xupd);

}

//对指定的节点进行值的更新

publicvoidupdate(Stringlocation,Stringvalue){

//n(location);

Stringxupd="

xmlns:xupdate='/xupdate'>"+

"

lect='"+location+"'>"+value+""+"";

//n("

lect='"+location+"'>"+value+""+"");

saveUpdate(xupd);

}

//在指定的节点内添加名为elementName的子节点

publicvoidappend(Stringlocation,StringelementName,Stringvalue){

Stringxupd="

xmlns:xupdate='/xupdate'>"+

""+

49

""+

value+

""+

""+

"";

saveUpdate(xupd);

}

publicvoidappend(Stringlocation,Stringelement){

Stringxupd="

xmlns:xupdate='/xupdate'>"+

""+

element+

""+

"";

//n("

lect='"+location+"'>"+element+"");

saveUpdate(xupd);

}

//对指定节点重命名

publicvoidreName(Stringlocation,Stringvalue){

Stringxupd="

xmlns:xupdate='/xupdate'>"+

"

lect='"+location+"'>"+value+""+"";

saveUpdate(xupd);

}

//在指定的节点前添加一个名为elementName的节点

publicvoidinrtBefore(Stringlocation,StringelementName,Stringvalue){

Stringxupd="

xmlns:xupdate='/xupdate'>"+

""+

""+

value+

""+

""+

"";

saveUpdate(xupd);

}

//完整的添加题库的节点

publicvoidaddBlankNode(Stringc_id){

SearchXMLarch=newSearchXML();

Stringxquery="for$xindoc("")/exam_blank/cour[@c_id=""+c_id+""]return

50

count($x)";

intcount=y1(xquery);

if(count>0){

("题库已存在此课程！不能重复添加!");

return;

}

Stringxupd="

xmlns:xupdate='/xupdate'>"+

""

+""+

""+

""+

""+

""+

""+

"";

saveUpdate(xupd);

}

publicbooleanaddTeacherNode(StringteaId){

SearchXMLarch=newSearchXML();

Stringxquery="for$xindoc("")/teachers/teacher[@teaId=""+teaId+""]return

count($x)";

intcount=y1(xquery);

if(count>0){

("职工号已存在！不能重复添加!");

returnfal;

}

Stringxupd="

xmlns:xupdate='/xupdate'>"+

""

+""+

""+

""+

""+

""+

""+

""+

""+

""+

""+

""+

""+

""+

""+

51

"";

saveUpdate(xupd);

returntrue;

}

publicbooleanaddStudentNode(StringstuId){

SearchXMLarch=newSearchXML();

Stringxquery="for$xindoc("")/students/student[@stuId=""+stuId+""]return

count($x)";

intcount=y1(xquery);

if(count>0){

("学号已存在！不能重复添加!");

returnfal;

}

Stringxupd="

xmlns:xupdate='/xupdate'>"+

""

+""+

""+

""+

""+

""+

""+

""+

""+

""+

""+

""+

""+

""+

"";

saveUpdate(xupd);

returntrue;

}

publicbooleanaddCourNode(Stringc_id){

SearchXMLarch=newSearchXML();

Stringxquery="for$xindoc("")/cours/cour[@c_id=""+c_id+""]return

count($x)";

intcount=y1(xquery);

if(count>0){

("此课程号已存在！不能重复添加!");

returnfal;

}

Stringxupd="

xmlns:xupdate='/xupdate'>"+

52

""

+""+

""+

""+

""+

""+

""+

""+

""+

"";

saveUpdate(xupd);

returntrue;

}

publicvoidaddAdminNode(){

Stringxupd="

xmlns:xupdate='/xupdate'>"+

""+

""+

""+

"000000"+

""+

"";

saveUpdate(xupd);

}

publicvoidaddStudentExamNode(StringstuId,Stringc_id){

SearchXMLarch=newSearchXML();

StringSQUERY_1="for$xin

doc("")/exam/student[@stuId=""+stuId+""]/cour[@c_id=""+c_id+""]return

count($x)";

if(y1(SQUERY_1)>0){

n("试卷生成失败，原因是之前有生成");

return;

}

Stringxupd="

xmlns:xupdate='/xupdate'>"+

""

+""+

""+

""+

""+

""+

""+

"0"+

"0"+

53

"0"+

"0"+

""+

""+

""+

""+

""+

""+

""+

"";

saveUpdate(xupd);

}

//移除指定的节点

publicvoidremoveElement(Stringlocation){

//n("removeElement="+location);

Stringxupd="

xmlns:xupdate='/xupdate'>"+

"";

saveUpdate(xupd);

}

//对改变后的数据进行更新

privatevoidsaveUpdate(Stringxupd){

try{

XUpdateQueryServicervice=

(XUpdateQueryService)vice("XUpdateQueryService","1.0");

(xupd);

}catch(XMLDBExceptione){

//TODOAuto-generatedcatchblock

tackTrace();

}

}

publicvoidcollectionToService(){

StringURL="xmldb:exist://localhost:8080/exist/xmlrpc/db/examination";

try{

Classcl=e("Impl");

Databadataba=(Databa)tance();

erDataba(databa);

collection=(Collection)lection(URL,"admin","");

}catch(ClassNotFoundExceptione){

//TODOAuto-generatedcatchblock

tackTrace();

}catch(InstantiationExceptione){

//TODOAuto-generatedcatchblock

tackTrace();

54

}catch(IllegalAccessExceptione){

//TODOAuto-generatedcatchblock

tackTrace();

}catch(XMLDBExceptione){

//TODOAuto-generatedcatchblock

tackTrace();

}

}

}

八、References

[1].n·······BrettMcLaughlinPublisher：O’Reilly。

[2].JSP网站开发详解··········唐友国Publisher：电子工业大学出版社。

[3].JSP动态网站开发··········张银鹤Publisher：清华大学出版社。

[4].XML实践教程············张银鹤Publisher：清华大学出版社。

[5].Adobe数字艺术中心PSCS标准教材·Adobe公司北京代表处Publisher：人民邮

电出版社。

[6]eXist详解·············（网上教程）。

[7].CSS网页设计标准教程········温谦Publisher：人民邮电出版社。

[8].JSP动态网站开发案例指导······余芳Publisher：电子工业大学出版社。

[9].Web2.0动态网站开发—JSP技术详解与应有实

践················唐爱国Publisher：清华大学出版社。