學(xué)生在線考試系統(tǒng)項(xiàng)目設(shè)計(jì)

線考試系統(tǒng)項(xiàng)目設(shè)計(jì)信息工程系項(xiàng)目設(shè)計(jì)文檔題目：學(xué)生在線考試系統(tǒng) 班級(jí)軟件13-1 學(xué)號(hào)、、、 姓名姜維川、鄭雨云、侯鑒航、鄧凱任課教師吉朝明學(xué)生在線考試系統(tǒng)文檔1需求描述該系統(tǒng)主要是由前臺(tái)學(xué)生端和后臺(tái)教師端兩部分組成。前臺(tái)學(xué)生端即是學(xué)生通過(guò)在線考試后得到分?jǐn)?shù)，后臺(tái)教師端即是對(duì)試卷和學(xué)生的信息進(jìn)行管理。2系統(tǒng)功能描述系統(tǒng)功能圖系統(tǒng)主流程圖開(kāi)始學(xué)生在線考試系統(tǒng)學(xué)生端是前臺(tái)首頁(yè)學(xué)生信息修前臺(tái)首頁(yè)開(kāi)始答題否繼續(xù)答題是查看分?jǐn)?shù)退出教師端是后臺(tái)首頁(yè)查后臺(tái)首頁(yè)查看試卷增刪改查結(jié)束3數(shù)據(jù)庫(kù)設(shè)計(jì)本系統(tǒng)選擇Mysql數(shù)據(jù)庫(kù)，建立名為的數(shù)據(jù)庫(kù)，涉及到主要的數(shù)據(jù)庫(kù)表設(shè)計(jì)如字段字段名字段類(lèi)型可否為空說(shuō)明testidINTINTINTcontentNotnullgradeINT(10)NotnullansweridINT(10)NotnullNotnullNotnullNULL鍵字字段類(lèi)型INTINTNotnullNotnullNotnull可否為空content字段名鍵字字段名字段類(lèi)型可否為空INTNotnull鍵uidINTNotnullnamevarchar(30)NotnullprofessionalIdINTNotnulldepartmentINTNotnulltikeIdINTvarchar(30)INTNotnullNotnullNotnulleINTNotnull4界面原型設(shè)計(jì)1.前臺(tái)首頁(yè)2.后臺(tái)首頁(yè)5類(lèi)設(shè)計(jì)本系統(tǒng)設(shè)計(jì)了action、Aspect、dao、filter、model、service六個(gè)類(lèi)，具體碼如下：(1)action類(lèi)action+TestAction()++userAction()(2)Aspect類(lèi)Aspect+LogAspect()(3)dao類(lèi)o+AnswerDao()+DepartMentDao()+GradeDao()+ProfessionalDao()+SubjectDao()+TestDao()++UserDao()(4)filter類(lèi)filter+MyFilter()(5)model類(lèi)model+Answer()+Department()+Grade()+GradeJSon()+Loganderror()+Professional()++Student()+StudentJson()+Subject()+Test()+Users()(6)service類(lèi)SService+AnswerManage()+DepartmentManage()+Factory()+GradeManage()+ProfessionalManage()+SubjectManage()++TestManage()+UserManagerImp()6關(guān)鍵代碼(1)獲取及更新題目答案packageclassAnswerDaoImpimplementsAnswerDao{privateSessionFactorysessionFactory;privateSessionsess;privateTransactiontransaction;privatevoidcreatesession(){sess=();transaction=();}privatevoiddestory(){}publicAnswerDaoImp(){Configurationconfiguration=newConfiguration();ServiceRegistryserviceRegistry=newServiceRegistryBuilder().applySettings()).buildServiceRegistry();SessionFactorysessionFactory=(serviceRegistry);pplySettings()).buildServiceRegistry();SessionFactorysessionFactory=(serviceRegistry);etAnswersBytid());Set<Answer>currentanswer=();for(Answeranswer:currentanswer){}}JSONArrayjsonArray=newJSONArray().fromObject(tests);returnjsonArray;}@OverridepublicList<Test>getTest(){pplySettings()).buildServiceRegistry();SessionFactorysessionFactory=(serviceRegistry);pplySettings()).buildServiceRegistry();SessionFactorysessionFactory=(serviceRegistry);Sessionsession=();oString());Departmentdepartment=().getDepartMentById());Professionalprofessional=().getProFeProfessionalById());}destory();returnstudentJsons;}elsereturnnull;}}}(3)獲取分?jǐn)?shù)packageclassGradeDaoImpimplementsGradeDao{privateSessionFactorysessionFactory;privateSessionsess;privateTransactiontransaction;privatevoidcreatesession(){sess=();transaction=();}privatevoiddestory(){}publicGradeDaoImp(){Configurationconfiguration=newConfiguration();ServiceRegistryserviceRegistry=newServiceRegistryBuilder().applySettings()).buildServiceRegistry();SessionFactorysessionFactory=(serviceRegistry);etName());().getProfessional().getPid());().getProfessional().getPname());ing}romObject(gradeJSons);據(jù)庫(kù)沒(méi)連接2.操作語(yǔ)言出錯(cuò)修正方法1.打開(kāi)數(shù)據(jù)庫(kù)2.修正SQL語(yǔ)句時(shí)間2015-4-19編號(hào)CW0001錯(cuò)誤提示原因修正方法JavaEE企業(yè)應(yīng)用實(shí)戰(zhàn)——Struts2＋Spring＋Hibernate整合開(kāi)[2][美