学生管理系统图形界面Java文档格式.docx
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myFrame.setLocatiOn(300,100);
//
myFrame.setContentPane(newLoginPane(myFrame));
myFrame.pack();
myFrame.setVisible(true);
importjava.sql.COnnection;
importjava.sql.DriverManager;
importjava.sql.ResultSet;
importjava.sql.SQLException;
importjava.sql.Statement;
PUbIiCclassDataBaSe{
Connectionconn=null;
PUbIiCConnectiongetConn(){
returnthis.conn;
}
PUbIiCvoidSetConn(Connectionconn){this.conn=conn;
PUbIiCbooleangetConnection(){
String
url="
jdbc:
mysql:
〃IoCaIhoSt:
3306/SCoreManagement?
user=root&
password=123"
;
try{
Class.forName("
org.gjt.mm.mysql.Driver"
);
Conn=DriVerManager.getCOnnection(url);
returntrue;
}catch(SQLExceptione){
SyStem.out.println(e.getMessage());
returnfalse;
}CatCh(CIaSSNotFoUndExceptione){
//ToDoAuto-generatedCatChblock
e.printStackTrace();
PUbIiCReSUItSetexecuteQuery(Stringsql){
ReSUItSetrs=null;
StatementStmt=nuII;
if(conn==null){
this.getConnection();
try{Stmt=COnn.CreateStatement();
rs=stmt.executeQuery(sql);
returnrs;
returnnull;
PUbIiCintexecuteUpdate(Stringsql){
intIinecoUnt=0;
Stmt=Conn.CreateStatement();
IinecoUnt=stmt.executeUpdate(sql);
}catch(SQLExceptione){}
returnIinecount;
importjava.awt.event.ActionEvent;
importjava.awt.event.ActionListener;
importjavax.swing.Box;
importjavax.swing.ButtOnGroup;
importjavax.swing.JBUtton;
importjavax.swing.JLabel;
importjavax.swing.JPanel;
importjavax.swing.JPasswordField;
importjavax.swing.JRadiOBUtton;
importjavax.swing.JTeXtField;
PUbIiCclassLoginPaneextendsJPanelimplementsActionListener{
PriVateStatiCfinalIOngSerialVerSionUID=1L;
JFramemyFrame;
JLabeIlab_USername=newJLabel(用户名"
JTeXtFieIdjt_USername=newJTeXtField(20);
JLabeIlab_PaSSWOrd=newJLabeI(密码"
JPaSSWOrdFieIdjt_PWd=newJPaSSWOrdField(20);
JRadiOBUttOnjrb_manager=newJRadiOBUtton(管理员"
JRadiOBUttOnjrb_teacher=newJRadiOBUtton(教师"
JRadiOBUttOnjrb_StUdent=newJRadiOBUtton(学生"
PUbIiCLoginPane(JFramemyFrame){this.myFrame=myFrame;
this.init();
PUbIiCvoidinit(){
Boxbox_USer=Box.createHorizontaIBox();
box_user.add(lab_USername);
box_user.add(Box.createHorizontalStrut(20));
box_user.add(jt_USername);
jt_pwd.setEchoChar(#);
Boxbox_PWd=Box.createHorizontaIBox();
box_pwd.add(lab_password);
box_pwd.add(Box.createHorizontalStrut(20));
box_pwd.add(jt_pwd);
BUttOnGroupbg=newBUttOnGroup();
bg.add(jrb_manager);
bg.add(jrb_teacher);
bg.add(jrb_StUdent);
Boxbox_role=Box.createHorizOntalBox();
box_role.add(jrb_manager);
box_role.add(Box.createHorizontalStrut(5));
box_role.add(jrb_teacher);
box_role.add(jrb_StUdent);
JBUttOnjb_login=newJBUttOn("
登陆"
JBUttOnjb_exit=newJBUttOn("
退出"
Boxbox_button=Box.createHorizontalBox();
box_button.add(jb_login);
box_button.add(Box.createHorizontalStrut(30));
box_buttOn.add(jb_exit);
jb_lOgin.addActionListener(this);
jb_exit.addActionListener(this);
jb_login.SetACtiOnCommand("
login"
jb_exit.setActionCommand("
exit"
Boxbox_login=Box.createVerticalBox();
box_login.add(box_user);
box_login.add(Box.createHorizontalStrut(10));
box_login.add(box_pwd);
box_login.add(box_role);
box_login.add(box_button);
this.add(box_login);
@0Verride
PUbIiCvoidactionPerfOrmed(ACtionEVente){
//TODOAuto-generatedmethodStUbif(e.getActionCommand().equals("
)){StringUSername=this.jt_username.getText().trim();
StringPWd=String.valueOf(this.jt_pwd.getPassword());
DataBaSedb=newDataBaSe();
Stringsql="
select*fromUSerWherename='
"
+username+"
'
andPaSSWord='
+pwd+"
”'
ReSUItSetrs=db.executeQuery(sql);
if(rs!
=null){
this.myFrame.setContentPane(new
ManagerPane(this.myFrame));
myFrame.setSize(800,500);
this.myFrame.validate();
}else{
this.myFrame.dispose();
importjava.awt.event.ltemEvent;
importjava.awt.event」temListener;
importjavax.swing.JMenu;
importjavax.swing.JMenuBar;
importjavax.swing.JMenultem;
importjavax.swing.JTable;
PUbIiC