用java輸出學(xué)生信息表代碼-學(xué)生信息管理系統(tǒng)JAVASE版-1.1.1901

?java輸出學(xué)?信息表代碼_學(xué)?信息管理系統(tǒng)JAVASE版--1.1.1現(xiàn)在終于可以寫(xiě)出實(shí)??點(diǎn)的程序了。雖然這個(gè)程序的功能?常之簡(jiǎn)陋，?且還有BUG。不過(guò)最起碼已經(jīng)可以使?了。功能預(yù)覽和下?步的?標(biāo)程序主界?查詢功能：?前只做了?個(gè)表的增、刪、改、查。下?步應(yīng)該就是把功能完善，?如加?錯(cuò)誤處理，?如加?成績(jī)部分。完成?個(gè)班級(jí)內(nèi)的學(xué)?信息管理的功能，應(yīng)該具有學(xué)?的基本信息查詢，成績(jī)管理這兩個(gè)功能不過(guò)有?個(gè)問(wèn)題就是，在表格更新這?部分，每更新?次，就要?jiǎng)?chuàng)建?個(gè)tabliModel對(duì)象，感覺(jué)可以改進(jìn)。再有就是MVC模式，其實(shí)也就接觸設(shè)計(jì)模式。還有就是整成那種可執(zhí)??件。程序代碼mysql建表語(yǔ)句CREATETABLEstudent(stuIdINTPRIMARYKEY,stuNameVARCHAR(20)NOTNULLDEFAULT'',stuAgeINTNOTNULLDEFAULT0,stuSexVARCHAR(5)NOTNULLDEFAULT'')enginemyisamcharsetutf8;JAVA代碼：數(shù)據(jù)庫(kù)部分com.laolang.domain(數(shù)據(jù)對(duì)象，這?只有?個(gè)Student對(duì)象)packagecom.laolang.domain;/***學(xué)?對(duì)象，對(duì)應(yīng)數(shù)據(jù)庫(kù)中student表*/publicclassStudent{/***Instantiatesanewstudent.*/publicStudent(){super();}/***Instantiatesanewstudent.**@paramstuId*thestuid*@paramstuName*thestuname*@paramstuAge*thestuage*@paramstuSex*thestusex*/publicStudent(intstuId,StringstuName,intstuAge,StringstuSex){super();this.stuId=stuId;this.stuName=stuName;this.stuAge=stuAge;this.stuSex=stuSex;}/**(non-Javadoc)*

*@seejava.lang.Object#toString()*/@OverridepublicStringtoString(){return"Student[stuId="+stuId+",stuName="+stuName+",stuAge="+stuAge+",stuSex="+stuSex+"]";}/***Getsthestuid.**@returnthestuid*/publicintgetStuId(){returnstuId;}/***Setsthestuid.**@paramstuId*thenewstuid*/publicvoidsetStuId(intstuId){this.stuId=stuId;}/***Getsthestuname.**@returnthestuname*/publicStringgetStuName(){returnstuName;}/***Setsthestuname.

**@paramstuName*thenewstuname*/publicvoidsetStuName(StringstuName){this.stuName=stuName;}/***Getsthestuage.**@returnthestuage*/publicintgetStuAge(){returnstuAge;}/***Setsthestuage.**@paramstuAge*thenewstuage*/publicvoidsetStuAge(intstuAge){this.stuAge=stuAge;}/***Getsthestusex.**@returnthestusex*/publicStringgetStuSex(){returnstuSex;}/***Setsthestusex.

**@paramstuSex*thenewstusex*/publicvoidsetStuSex(StringstuSex){this.stuSex=stuSex;}/**學(xué)?編號(hào)*/privateintstuId;/**學(xué)?姓名*/privateStringstuName;/**學(xué)?年齡*/privateintstuAge;/**學(xué)?性別*/privateStringstuSex;}com.laolang.db(數(shù)據(jù)庫(kù)連接?具類(lèi)，?的是屬性?件的?式)laolangDB(?具類(lèi))packagecom.laolang.db;importjava.sql.Connection;importjava.sql.DriverManager;importjava.sql.ResultSet;importjava.sql.SQLException;importjava.sql.Statement;importjava.util.ResourceBundle;/***數(shù)據(jù)庫(kù)連接和關(guān)閉?具類(lèi)*/publicclasslaolangDB{/**數(shù)據(jù)庫(kù)連接地址*/privatestaticStringURL;/**數(shù)據(jù)庫(kù)?戶名*/privatestaticStringUSERNAME;/**數(shù)據(jù)庫(kù)密碼*/

privatestaticStringUSERPASSWORD;/**mysql驅(qū)動(dòng)*/privatestaticStringDRIVER;/**Therb.*/privatestaticResourceBundlerb=ResourceBundle.getBundle("com.laolang.db.db-config");/***使?靜態(tài)代碼塊加載驅(qū)動(dòng)*/static{URL=rb.getString("jdbc.url");USERNAME=rb.getString("jdbc.username");USERPASSWORD=rb.getString("jdbc.userpassword");DRIVER=rb.getString("jdbc.driver");try{Class.forName(DRIVER);}catch(ClassNotFoundExceptione){//TODOAuto-generatedcatchblocke.printStackTrace();}}/***獲得鏈接.**@returntheconnection*/publicstaticConnectiongetConnection(){Connectionconn=null;try{conn=DriverManager.getConnection(URL,USERNAME,USERPASSWORD);}catch(SQLExceptione){//TODOAuto-generatedcatchblocke.printStackTrace();}

returnconn;}/***關(guān)閉鏈接.**@paramrsthers*@parampstheps*@paramconntheconn*/publicstaticvoidcloseConnection(ResultSetrs,Statementps,Connectionconn){try{if(null!=rs)rs.close();if(null!=ps)ps.close();if(null!=conn)conn.close();}catch(SQLExceptione){//TODOAuto-generatedcatchblocke.printStackTrace();}}}perties(數(shù)據(jù)?件)：jdbc.url=jdbc:mysql://localhost:3306/studentmanager1.1.1jdbc.username=rootjdbc.userpassword=123456jdbc.driver=com.mysql.jdbc.Drivercom.laolang.dao(數(shù)據(jù)庫(kù)操作接?)StudentDaopackagecom.laolang.dao;importjava.sql.SQLException;importjava.util.List;

importcom.laolang.domain.Student;/***數(shù)據(jù)庫(kù)操作接?*/publicinterfaceStudentDao{/***插?學(xué)?基本信息.**@paramstu*學(xué)?對(duì)象*@throwsSQLException*theSQLexception*/publicvoidinsertStudent(Studentstu)throwsSQLException;/***刪除學(xué)?基本信息.**@paramstuId*學(xué)?編號(hào)*@throwsSQLException*theSQLexception*/publicvoiddeleteStudent(intstuId)throwsSQLException;/***更新學(xué)?基本信息.**@paramstu*學(xué)?對(duì)象*@throwsSQLException*theSQLexception*/publicvoidupdateStudent(Studentstu)throwsSQLException;/***S通過(guò)編號(hào)查詢學(xué)?基本信息.

**@paramstuId*學(xué)?編號(hào)*@returnthestudent*@throwsSQLException*theSQLexception*/publicStudentselectStudentById(intstuId)throwsSQLException;/***查詢所有學(xué)?基本信息.**@returnthelist*@throwsSQLException*theSQLexception*/publicListselectStudentAll()throwsSQLException;}com.laolang.dao.impl(數(shù)據(jù)庫(kù)操作實(shí)現(xiàn))StudentDaoImplpackagecom.laolang.dao.impl;importjava.sql.SQLException;importjava.util.ArrayList;importjava.util.List;importmons.dbutils.QueryRunner;importmons.dbutils.handlers.BeanHandler;importmons.dbutils.handlers.BeanListHandler;importcom.laolang.dao.StudentDao;importcom.laolang.db.laolangDB;importcom.laolang.domain.Student;/***數(shù)據(jù)庫(kù)操作實(shí)現(xiàn)*/publicclassStudentDaoImplimplementsStudentDao{/**dbutils?具類(lèi)對(duì)象*/

privateQueryRunnerrunner;/***Instantiatesanewstudentdaoimpl.*/publicStudentDaoImpl(){runner=newQueryRunner();}/**插?學(xué)?信息**@seecom.laolang.dao.StudentDao#insertStudent(com.laolang.domain.Student)*/@OverridepublicvoidinsertStudent(Studentstu)throwsSQLException{StringinsertStudent="insertintostudent(stuId,stuName,stuAge,stuSex)values(?,?,?,?)";runner.update(laolangDB.getConnection(),insertStudent,stu.getStuId(),stu.getStuName(),stu.getStuAge(),stu.getStuSex());}/**刪除學(xué)?信息**@seecom.laolang.dao.StudentDao#deleteStudent(int)*/@OverridepublicvoiddeleteStudent(intstuId)throwsSQLException{StringdeleteStudentById="deletefromstudentwherestuId=?";runner.update(laolangDB.getConnection(),deleteStudentById,stuId);}/**更新學(xué)?基本信息**@seecom.laolang.dao.StudentDao#updateStudent(com.laolang.domain.Student)*//*

*(non-Javadoc)**@seecom.laolang.dao.StudentDao#updateStudent(com.laolang.domain.Student)*/@OverridepublicvoidupdateStudent(Studentstu)throwsSQLException{StringupdateStudent="updatestudentsetstuName=?,stuAge=?,stuSex=?wherestuId=?";runner.update(laolangDB.getConnection(),updateStudent,stu.getStuName(),stu.getStuAge(),stu.getStuSex(),stu.getStuId());}/**通過(guò)編號(hào)查詢學(xué)?基本信息**@seecom.laolang.dao.StudentDao#selectStudentById(int)*/@OverridepublicStudentselectStudentById(intstuId)throwsSQLException{Studentstu=null;StringselectStudentById="selectstuName,stuAge,stuSexfromstudentwherestuId=?";stu=runner.query(laolangDB.getConnection(),selectStudentById,newBeanHandler(Student.class),stuId);stu.setStuId(stuId);returnstu;}/**查詢所有學(xué)?基本信息**@seecom.laolang.dao.StudentDao#selectStudentAll()*/@OverridepublicListselectStudentAll()throwsSQLException{StringselectStudentAll="selectstuId,stuName,stuAge,stuSexfromstudent";ListstudentList=runner.query(laolangDB.getConnection(),

selectStudentAll,newBeanListHandler(Student.class));returnstudentList;}}界?部分：com.laolang.ui(界?部分全部在這個(gè)包?)ManagerMainWidnows.java(這是主界?，也是啟動(dòng)類(lèi))packagecom.laolang.ui;importjava.awt.BorderLayout;importjava.awt.event.ActionEvent;importjava.awt.event.ActionListener;importjavax.swing.JButton;importjavax.swing.JFrame;importjavax.swing.JLabel;importjavax.swing.JOptionPane;importjavax.swing.JPanel;importjavax.swing.JScrollPane;importjavax.swing.JTable;importjavax.swing.JTextField;importcom.laolang.domain.Student;//TODO:Auto-generatedJavadoc/***功能：學(xué)?信息管理系統(tǒng)主界?版本：studentManager1.1.1作者：?代碼**/publicclassManagerMainWindowextendsJFrameimplementsActionListener{/***Themainmethod.**@paramargs*thearguments*/publicstaticvoidmain(String[]args){ManagerMainWindowmmw=newManagerMainWindow();

}/***Instantiatesanewmanagermainwindow.*/publicManagerMainWindow(){init();this.setActionCommand();this.setTitle("學(xué)?信息管理系統(tǒng)");this.setSize(400,300);this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);this.setVisible(true);}/***初始化窗體*/privatevoidinit(){//創(chuàng)建組件this.lbId=newJLabel("待查學(xué)?編號(hào)");this.butInsert=newJButton("增加");this.butDelete=newJButton("刪除");this.butUpdate=newJButton("修改");this.butSelect=newJButton("查詢");this.butShowAll=newJButton("顯?所有");this.tfId=newJTextField(10);this.jpNorth=newJPanel();this.jpSouth=newJPanel();this.stm=newStudentTableModel();stm.showAllData();this.jt=newJTable(stm);this.jsp=newJScrollPane(jt);//將組件添加到?板jpNorth.add(lbId);jpNorth.add(tfId);jpNorth.add(butSelect);

jpSouth.add(butInsert);jpSouth.add(butDelete);jpSouth.add(butUpdate);jpSouth.add(butShowAll);//將?板添加到窗體this.add(jpNorth,BorderLayout.NORTH);this.add(jsp,BorderLayout.CENTER);this.add(jpSouth,BorderLayout.SOUTH);}/***Setstheactioncommand.*/privatevoidsetActionCommand(){this.butInsert.addActionListener(this);this.butDelete.addActionListener(this);this.butUpdate.addActionListener(this);this.butSelect.addActionListener(this);this.butShowAll.addActionListener(this);this.butInsert.setActionCommand("insert");this.butDelete.setActionCommand("delete");this.butUpdate.setActionCommand("update");this.butSelect.setActionCommand("select");this.butShowAll.setActionCommand("show");}/**(non-Javadoc)事件處理**@see*java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)*/@OverridepublicvoidactionPerformed(ActionEvente){//如果?戶點(diǎn)擊添加if(e.getActionCommand().equals("insert")){

//System.out.println("insert");//彈出添加對(duì)話框，并得到添加對(duì)話框中輸?的值Studentstu=newStudentInsertDialog(this,"添加學(xué)?信息",true).getStu();//如果沒(méi)有點(diǎn)取消if(null!=stu){StudentTableModelstutm=newStudentTableModel();//?成新的modelstutm.insertStu(stu);//執(zhí)?插?jt.setModel(stutm);//更新表格model}}//如果點(diǎn)擊刪除elseif(e.getActionCommand().equals("delete")){//System.out.println("delete");//得到?戶選擇的?的?號(hào)intdelIndex=jt.getSelectedRow();//如果沒(méi)有選擇任何?，則提醒選擇??if(-1==delIndex){JOptionPane.showMessageDialog(this,"請(qǐng)選擇??之后，再進(jìn)?刪除操作","警告",JOptionPane.WARNING_MESSAGE);}if(-1!=delIndex){StringidStr=(String)stm.getValueAt(delIndex,0);intid=Integer.valueOf(idStr).intValue();//System.out.println(id);StudentTableModelstuTm=newStudentTableModel();//?成親的modelstuTm.deleteStu(id);//執(zhí)?刪除jt.setModel(stuTm);//更新表格model}}//如果?戶選擇更新elseif(e.getActionCommand().equals("update")){//System.out.println("update");//得到?戶選擇的?的?號(hào)

intupdataRowIndex=this.jt.getSelectedRow();//如果沒(méi)有選擇任何?，則提醒選擇??if(-1==updataRowIndex){JOptionPane.showMessageDialog(this,"請(qǐng)選擇??之后，再進(jìn)?修改操作","警告",JOptionPane.WARNING_MESSAGE);}if(-1!=updataRowIndex){Studentstu=newStudent();stu.setStuId(Integer.valueOf((String)stm.getValueAt(updataRowIndex,0)).intValue());stu.setStuName((String)stm.getValueAt(updataRowIndex,1));stu.setStuAge(Integer.valueOf((String)stm.getValueAt(updataRowIndex,2)).intValue());stu.setStuSex((String)stm.getValueAt(updataRowIndex,3));stu=newStudentUpdateDialog(this,"修改學(xué)?信息",true,stu).getStu();//如果修改了學(xué)?信息，則更新if(null!=null){StudentTableModelstutm=newStudentTableModel();//萬(wàn)籟新的modelstutm.updateStu(stu);//執(zhí)?更新jt.setModel(stutm);//更新表格model//System.out.println(stu.toString());}}}//如果選擇查詢elseif(e.getActionCommand().equals("select")){//System.out.println("select");//得到輸?的學(xué)?編號(hào)intid=Integer.valueOf(tfId.getText()).intValue();StudentTableModelstutm=newStudentTableModel();//?成新modelstutm.selectStuId(id);//執(zhí)?查詢jt.setModel(stutm);//更新表格model}

//如果選擇顯?所有elseif(e.getActionCommand().equals("show")){//System.out.println("show");StudentTableModelstutm=newStudentTableModel();//?成新的modelstutm.showAllData();//執(zhí)?顯?所有jt.setModel(stutm);//更新表格model}}/**輸?編號(hào)標(biāo)簽*/privateJLabellbId;/**接收編號(hào)的輸?框*/privateJTextFieldtfId;/**插?按鈕*/privateJButtonbutInsert;/**刪除按鈕*/privateJButtonbutDelete;/**更新按鈕*/privateJButtonbutUpdate;/**查詢按鈕*/privateJButtonbutSelect;/**顯?所有按鈕*/privateJButtonbutShowAll;/**滾動(dòng)窗格*/privateJScrollPanejsp;/**表格*/privateJTablejt;/**?于初始化表格的model*/privateStudentTableModelstm;/**北部paenl*/privateJPaneljpNorth;/**南部paenl*/privateJPaneljpSouth;}StudentTableModel.java(表格model)

packagecom.laolang.ui;importjava.sql.SQLException;importjava.util.List;importjava.util.Vector;importjavax.swing.table.AbstractTableModel;importcom.laolang.dao.StudentDao;importcom.laolang.dao.impl.StudentDaoImpl;importcom.laolang.domain.Student;//TODO:Auto-generatedJavadoc/***主窗?中，表格模型*/publicclassStudentTableModelextendsAbstractTableModel{/***Instantiatesanewstudenttablemodel.*/publicStudentTableModel(){init();}/***初始化，只完成表頭部分*/privatevoidinit(){rowData=newVector();colunmNames=newVector();colunmNames.add("編號(hào)");colunmNames.add("姓名");colunmNames.add("年齡");colunmNames.add("性別");}/***添加**@paramstuthestu

*/publicvoidinsertStu(Studentstu){try{sDao.insertStudent(stu);showAllData();}catch(SQLExceptione){//TODOAuto-generatedcatchblocke.printStackTrace();}}/***刪除**@paramidtheid*/publicvoiddeleteStu(intid){try{sDao.deleteStudent(id);showAllData();}catch(SQLExceptione){//TODOAuto-generatedcatchblocke.printStackTrace();}}/***更新**@paramstuthestu*/publicvoidupdateStu(Studentstu){try{sDao.updateStudent(stu);showAllData();}catch(SQLExceptione){

//TODOAuto-generatedcatchblocke.printStackTrace();}}/***查詢**@paramidtheid*@returnthestudent*/publicStudentselectStuId(intid){Studentstu=null;try{stu=sDao.selectStudentById(id);VectorstuV=newVector();stuV.add(String.valueOf(stu.getStuId()));stuV.add(stu.getStuName());stuV.add(String.valueOf(stu.getStuAge()));stuV.add(stu.getStuSex());rowData.add(stuV);}catch(SQLExceptione){//TODOAuto-generatedcatchblocke.printStackTrace();}returnstu;}/***顯?所有*/publicvoidshowAllData(){if(0!=rowData.size()){rowData.clear();}try{

ListstuList=sDao.selectStudentAll();for(Studentstu:stuList){VectorstuV=newVector();stuV.add(String.valueOf(stu.getStuId()));stuV.add(stu.getStuName());stuV.add(String.valueOf(stu.getStuAge()));stuV.add(stu.getStuSex());rowData.add(stuV);}}catch(SQLExceptione){//TODOAuto-generatedcatchblocke.printStackTrace();}}/*(non-Javadoc)*設(shè)置表頭*@seejavax.swing.table.AbstractTableModel#getColumnName(int)*/@OverridepublicStringgetColumnName(intcolumn){return(String)colunmNames.get(column);}/*(non-Javadoc)*得到共有多少?*@seejavax.swing.table.TableModel#getRowCount()*/@OverridepublicintgetRowCount(){returnrowData.size();}/*(non-Javadoc)*得到共有多少列*@seejavax.swing.table.TableModel#getColumnCount()*/

@OverridepublicintgetColumnCount(){returncolunmNames.size();}/*(non-Javadoc)*得到某?某列的數(shù)據(jù)*@seejavax.swing.table.TableModel#getValueAt(int,int)*/@OverridepublicObjectgetValueAt(introwIndex,intcolumnIndex){return((Vector)rowData.get(rowIndex)).get(columnIndex);}/**Therowdata.*/privateVectorrowData;/**Thecolunmnames.*/privateVectorcolunmNames;/**Thesdao.*/publicstaticfinalStudentDaosDao=newStudentDaoImpl();}StudentInsertDialog(添加數(shù)據(jù)對(duì)話框)packagecom.laolang.ui;importjava.awt.BorderLayout;importjava.awt.FlowLayout;importjava.awt.Frame;importjava.awt.GridLayout;importjava.awt.event.ActionEvent;importjava.awt.event.ActionListener;importjavax.swing.JButton;importjavax.swing.JDialog;importjavax.swing.JFrame;importjavax.swing.JLabel;importjavax.swing.JPanel;importjavax.swing.JTextField;importcom.laolang.domain.Student;

/***添加學(xué)?信息對(duì)話框*/publicclassStudentInsertDialogextendsJDialogimplementsActionListener{/***Instantiatesanewstudentinsertdialog.*/publicStudentInsertDialog(){super();}/***Instantiatesanewstudentinsertdialog.**@paramowner*theowner*@paramtitle*thetitle*@parammodal*themodal*/publicStudentInsertDialog(Frameowner,Stringtitle,booleanmodal){super(owner,title,modal);init();setComm();this.setSize(300,180);this.setVisible(true);this.setResizable(false);}/***初始化*/privatevoidinit(){//創(chuàng)建組件this.labelId=newJLabel("編號(hào)");

this.labelName=newJLabel("姓名");this.labelAge=newJLabel("年齡");this.labelSex=newJLabel("性別");this.tfId=newJTextField(20);this.tfName=newJTextField(20);this.tfAge=newJTextField(20);this.tfSex=newJTextField(20);this.butOk=newJButton("確定");this.butCanel=newJButton("取消");this.jpCenterLeft=newJPanel();this.jpCenterRight=newJPanel();this.jpCenter=newJPanel();this.jpSouth=newJPanel();//設(shè)置布局this.setLayout(newBorderLayout());this.jpCenterLeft.setLayout(newGridLayout(6,1));this.jpCenterRight.setLayout(newGridLayout(6,1));this.jpCenter.setLayout(newFlowLayout());this.jpSouth.setLayout(newFlowLayout());//添加組件到?板this.jpCenterLeft.add(this.labelId);this.jpCenterLeft.add(this.labelName);this.jpCenterLeft.add(this.labelAge);this.jpCenterLeft.add(this.labelSex);this.jpCenterRight.add(this.tfId);this.jpCenterRight.add(this.tfName);this.jpCenterRight.add(this.tfAge);this.jpCenterRight.add(this.tfSex);this.jpCenter.add(this.jpCenterLeft);this.jpCenter.add(this.jpCenterRight);this.jpSouth.add(this.butOk);this.jpSouth.add(this.butCanel);//?板添加到窗體this.add(this.jpCenter);

this.add(this.jpSouth,BorderLayout.SOUTH);}/***注冊(cè)監(jiān)聽(tīng)、設(shè)置命令.*/privatevoidsetComm(){this.butOk.addActionListener(this);this.butCanel.addActionListener(this);this.butOk.setActionCommand("ok");this.butCanel.setActionCommand("canel");}/**(non-Javadoc)事件處理**@see*java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)*/@OverridepublicvoidactionPerformed(ActionEvente){if(e.getActionCommand().equals("ok")){//如果點(diǎn)擊確定，則創(chuàng)建?個(gè)Student對(duì)象，并對(duì)各個(gè)屬性賦值this.stu=newStudent();this.stu.setStuId(Integer.valueOf(this.tfId.getText()).intValue());this.stu.setStuName(this.tfName.getText());this.stu.setStuAge(Integer.valueOf(this.tfAge.getText()).intValue());this.stu.setStuSex(this.tfSex.getText());//隱藏對(duì)話框this.setVisible(false);}elseif(e.getActionCommand().equals("canel")){//如果點(diǎn)擊取消，則置Student為空this.stu=null;//隱藏對(duì)話框this.setVisible(false);}

}/**Thelabelid.*/privateJLabellabelId;/**Thelabelname.*/privateJLabellabelName;/**Thelabelage.*/privateJLabellabelAge;/**Thelabelsex.*/privateJLabellabelSex;/**Thetfid.*/privateJTextFieldtfId;/**Thetfname.*/privateJTextFieldtfName;/**Thetfage.*/privateJTextFieldtfAge;/**Thetfsex.*/privateJTextFieldtfSex;/**Thebutok.*/privateJButtonbutOk;/**Thebutcanel.*/privateJButtonbutCanel;/**Thejpcenterleft.*/privateJPaneljpCenterLeft;/**Thejpcenterright.*/privateJPaneljpCenterRight;/**Thejpcenter.*/privateJPaneljpCenter;/**Thejpsouth.*/privateJPaneljpSouth;/**Thestu.*/privateStudentstu;/***Getsthestu.*

*@returnthestu*/publicStudentgetStu(){returnstu;}}StudentUpdateDialog(修改數(shù)據(jù)對(duì)話框)packagecom.laolang.ui;importjava.awt.BorderLayout;importjava.awt.FlowLayout;importjava.awt.Frame;importjava.awt.GridLayout;importjava.awt.event.ActionEvent;importjava.awt.event.ActionListener;importjavax.swing.JButton;importjavax.swing.JDialog;importjavax.swing.JFrame;importjavax.swing.JLabel;importjavax.swing.JPanel;importjavax.swing.JTextField;importcom.laolang.domain.Student;//TODO:Auto-generatedJavadoc/***學(xué)?信息更新對(duì)話框本類(lèi)有?個(gè)Student對(duì)象，?于記錄各輸?框中的值*/publicclassStudentUpdateDialogextendsJDialogimplementsActionListener{/***Instantiatesanewstudentinsertdialog.*/publicStudentUpdateDialog(){super();}/***Instantiatesanewstudentinsertdialog.

**@paramowner*theowner*@paramtitle*thetitle*@parammodal*themodal*@paramstu*thestu*/publicStudentUpdateDialog(Frameowner,Stringtitle,booleanmodal,Studentstu){super(owner,title,modal);init(stu);setComm();setSize(300,180);setVisible(true);setResizable(false);}/***創(chuàng)建各組件**@params*thes*/privatevoidinit(Students){stu=newStudent();//創(chuàng)建Student對(duì)象//設(shè)置各屬性值為選中?的相應(yīng)的值stu.setStuId(s.getStuId());stu.setStuName(s.getStuName());stu.setStuAge(s.getStuAge());stu.setStuSex(s.getStuSex());//創(chuàng)建組件labelId=newJLabel("編號(hào)");

labelName=newJLabel("姓名");labelAge=newJLabel("年齡");labelSex=newJLabel("性別");tfId=newJTextField(String.valueOf(stu.getStuId()),20);tfId.setEditable(false);tfName=newJTextField(stu.getStuName(),20);tfAge=