package absensi_sederhana;
/**
*
* @author alfa
*/
public class MainHome extends javax.swing.JFrame {
/**
* Creates new form MainHome
*/
public MainHome() {
initComponents();
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jMenuBar1 = new javax.swing.JMenuBar();
jMenu1 = new javax.swing.JMenu();
jMenuItem1 = new javax.swing.JMenuItem();
jMenuItem2 = new javax.swing.JMenuItem();
jMenu2 = new javax.swing.JMenu();
jMenuItem3 = new javax.swing.JMenuItem();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jMenu1.setText("Data Master");
jMenuItem1.setText("Data Mahasiswa");
jMenuItem1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jMenuItem1ActionPerformed(evt);
}
});
jMenu1.add(jMenuItem1);
jMenuItem2.setText("Data Mata Kuliah");
jMenu1.add(jMenuItem2);
jMenuBar1.add(jMenu1);
jMenu2.setText("Data Kelas");
jMenuItem3.setText("Nama Kelas");
jMenuItem3.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jMenuItem3ActionPerformed(evt);
}
});
jMenu2.add(jMenuItem3);
jMenuBar1.add(jMenu2);
setJMenuBar(jMenuBar1);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 400, Short.MAX_VALUE)
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 279, Short.MAX_VALUE)
);
pack();
}// </editor-fold>
private void jMenuItem1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
private void jMenuItem3ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(MainHome.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(MainHome.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(MainHome.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(MainHome.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new MainHome().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JMenu jMenu1;
private javax.swing.JMenu jMenu2;
private javax.swing.JMenuBar jMenuBar1;
private javax.swing.JMenuItem jMenuItem1;
private javax.swing.JMenuItem jMenuItem2;
private javax.swing.JMenuItem jMenuItem3
2.
Codingan :
package absensi_sederhana;import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import javax.swing.table.DefaultTableModel;
import javax.swing.JOptionPane;
/**
*
* @author alfa
*/
public class KelasForm extends javax.swing.JFrame {
/**
* Creates new form KelasForm
*/
public KelasForm() {
initComponents();
}
private void kosong(){
jTextField1.setText("");
jTextField2.setText("");
}
private void disabel(){
jTextField1.setEnabled(false);
jTextField2.setEnabled(false);
jComboBox1.setEnabled(false);
}
private void enabel(){
jTextField1.setEnabled(true);
jTextField2.setEnabled(true);
jComboBox1.setEnabled(true);
}
private void tambah(){
tambah.setEnabled(false);
simpan.setEnabled(true);
update.setEnabled(false);
hapus.setEnabled(false);
batal.setEnabled(true);
kosong();
enabel();
}
private void edit(){
tambah.setEnabled(false);
simpan.setEnabled(false);
hapus.setEnabled(false);
batal.setEnabled(true);
update.setEnabled(true);
}
private void LoadData(){
String[]kolom={"No.","Nama Kelas","Mata Kuliah","Jam"};
DefaultTableModel tabel = null;
tabel = new DefaultTableModel(null,kolom){
Class[]types= new Class[]{
java.lang.String.class,
java.lang.String.class,
java.lang.String.class,
java.lang.String.class,};
public Class getColumnClass(int columnIndex){
return types[columnIndex];}};
listmhs.setModel(tabel);
Connection conn = null;
try{
Class.forName("com.mysql.jdbc.Driver");
conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/db_absensi","root","");
Statement stat = (Statement)conn.createStatement();
String sql = "SELECT tb_kelas.*, tb_matakuliah.matkul FROM tb_kelas INNER JOIN tb_matakuliah ON tb_matakuliah.id_matkul = tb_kelas.id_matkul";
ResultSet res = stat.executeQuery(sql);
while(res.next()){
String cetaknim = res.getString(1);
String cetaknama = res.getString(2);
String cetakang = res.getString(5);
String cetakjur = res.getString(3);
Object[] data = {cetaknim,cetaknama,cetakang,cetakjur};
tabel.addRow(data);
listmhs.getColumnModel().getColumn(0).setPreferredWidth(100);
listmhs.getColumnModel().getColumn(1).setPreferredWidth(100);
listmhs.getColumnModel().getColumn(2).setPreferredWidth(100);
listmhs.getColumnModel().getColumn(3).setPreferredWidth(100);
}
conn.close();
stat.close();
}catch(SQLException Ex){
System.out.println(Ex.getMessage());
}catch(Exception e){
System.out.println(e.getMessage());
}
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
batal = new javax.swing.JButton();
jLabel2 = new javax.swing.JLabel();
jTextField1 = new javax.swing.JTextField();
jTextField2 = new javax.swing.JTextField();
tambah = new javax.swing.JButton();
simpan = new javax.swing.JButton();
update = new javax.swing.JButton();
jLabel5 = new javax.swing.JLabel();
jLabel1 = new javax.swing.JLabel();
hapus = new javax.swing.JButton();
jComboBox1 = new javax.swing.JComboBox();
jLabel3 = new javax.swing.JLabel();
jScrollPane1 = new javax.swing.JScrollPane();
listmhs = new javax.swing.JTable();
jLabel4 = new javax.swing.JLabel();
jLabel6 = new javax.swing.JLabel();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
addWindowListener(new java.awt.event.WindowAdapter() {
public void windowActivated(java.awt.event.WindowEvent evt) {
formWindowActivated(evt);
}
});
batal.setText("Batal");
batal.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
batalActionPerformed(evt);
}
});
jLabel2.setText("Mata Kuliah");
tambah.setText("Tambah Baru");
tambah.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
tambahActionPerformed(evt);
}
});
simpan.setText("Simpan");
simpan.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
simpanActionPerformed(evt);
}
});
update.setText("Update");
update.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
updateActionPerformed(evt);
}
});
jLabel5.setFont(new java.awt.Font("Tahoma", 0, 18)); // NOI18N
jLabel5.setText("Form Daftar Kelas");
jLabel1.setText("Nama Kelas");
hapus.setText("Hapus");
hapus.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
hapusActionPerformed(evt);
}
});
jComboBox1.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(java.awt.event.MouseEvent evt) {
jComboBox1MouseClicked(evt);
}
});
jLabel3.setText("Jam Masuk");
listmhs.setModel(new javax.swing.table.DefaultTableModel(
new Object [][] {
{null, null, null, null},
{null, null, null, null},
{null, null, null, null},
{null, null, null, null}
},
new String [] {
"Title 1", "Title 2", "Title 3", "Title 4"
}
));
listmhs.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(java.awt.event.MouseEvent evt) {
listmhsMouseClicked(evt);
}
});
jScrollPane1.setViewportView(listmhs);
jLabel4.setText("jLabel4");
jLabel6.setText("jLabel6");
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(199, 199, 199)
.addComponent(jLabel5))
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel1)
.addComponent(jLabel2)
.addComponent(jLabel3))
.addGap(37, 37, 37)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, 333, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.addComponent(jComboBox1, javax.swing.GroupLayout.Alignment.LEADING, 0, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jTextField1, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 139, Short.MAX_VALUE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jLabel6))
.addGroup(layout.createSequentialGroup()
.addComponent(tambah)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(simpan, javax.swing.GroupLayout.PREFERRED_SIZE, 103, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(update)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(hapus)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(batal)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jLabel4)))))
.addGap(0, 53, Short.MAX_VALUE))
.addComponent(jScrollPane1, javax.swing.GroupLayout.Alignment.TRAILING))
.addContainerGap())
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jLabel5)
.addGap(28, 28, 28)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel1)
.addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel2)
.addComponent(jComboBox1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel6))
.addGap(10, 10, 10)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel3))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(simpan)
.addComponent(tambah)
.addComponent(update)
.addComponent(hapus)
.addComponent(batal)
.addComponent(jLabel4))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
pack();
}// </editor-fold>
private void batalActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
tambah.setEnabled(true);
simpan.setEnabled(false);
hapus.setEnabled(false);
batal.setEnabled(false);
update.setEnabled(false);
disabel();
}
private void tambahActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
tambah();
}
private void simpanActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
Connection conn = null;
try{
Class.forName("com.mysql.jdbc.Driver");
conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/db_absensi","root","");
Statement stat = (Statement)conn.createStatement();
String sql = "INSERT INTO tb_kelas(namakelas,jammasuk,id_matkul)VALUES('"+jTextField1.getText()+"','"+jTextField2.getText()+"','"+jComboBox1.getSelectedIndex()+"')";
stat.executeUpdate(sql);
JOptionPane.showMessageDialog(null,"Data Kelas Berhasil Ditambah");
conn.close();
stat.close();
LoadData();
kosong();
}catch(SQLException Ex){
System.out.println(Ex.getMessage());
}catch(Exception e){
System.out.println(e.getMessage());
}
}
private void updateActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
Connection conn = null;
try{
Class.forName("com.mysql.jdbc.Driver");
conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/db_absensi","root","");
Statement stat = (Statement)conn.createStatement();
String sql = "UPDATE tb_kelas SET namakelas='"+jTextField1.getText()+"', jammasuk= '"+jTextField2.getText()+"', id_matkul= '"+jComboBox1.getSelectedIndex()+"' WHERE id_kelas = '"+jLabel3.getText()+"'";
stat.executeUpdate(sql);
JOptionPane.showMessageDialog(null,"Data Mata Kuliah Berhasil Diubah");
conn.close();
stat.close();
LoadData();
kosong();
}catch(SQLException Ex){
System.out.println(Ex.getMessage());
}catch(Exception e){
System.out.println(e.getMessage());
}
}
private void hapusActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
Connection conn = null;
try{
Class.forName("com.mysql.jdbc.Driver");
conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/db_absensi","root","");
Statement stat = (Statement)conn.createStatement();
String sql = "DELETE FROM tb_kelas WHERE id_kelas = '"+jLabel4.getText()+"'";
stat.executeUpdate(sql);
JOptionPane.showMessageDialog(null,"Data Mahasiswa Berhasil Dihapus");
conn.close();
stat.close();
LoadData();
kosong();
}catch(SQLException Ex){
System.out.println(Ex.getMessage());
}catch(Exception e){
System.out.println(e.getMessage());
}
}
private void formWindowActivated(java.awt.event.WindowEvent evt) {
// TODO add your handling code here:
LoadData();
disabel();
tambah.setEnabled(true);
simpan.setEnabled(false);
hapus.setEnabled(false);
batal.setEnabled(false);
update.setEnabled(false);
Connection conn = null;
try{
Class.forName("com.mysql.jdbc.Driver");
conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/db_absensi","root","");
Statement stat = (Statement)conn.createStatement();
String sql = "SELECT * FROM tb_matakuliah";
ResultSet res = stat.executeQuery(sql);
jComboBox1.addItem("--- Choose ---");
while(res.next()){
String id = res.getString(1);
String matkul = res.getString(2);
jComboBox1.addItem(matkul);
}
conn.close();
stat.close();
}catch(SQLException Ex){
System.out.println(Ex.getMessage());
}catch(Exception e){
System.out.println(e.getMessage());
}
}
private void listmhsMouseClicked(java.awt.event.MouseEvent evt) {
// TODO add your handling code here:
// TODO add your handling code here:
tambah.setEnabled(false);
simpan.setEnabled(false);
hapus.setEnabled(true);
batal.setEnabled(true);
update.setEnabled(true);
int row = listmhs.rowAtPoint(evt.getPoint());
String id = listmhs.getValueAt(row, 0).toString();
String matkul = listmhs.getValueAt(row, 1).toString();
String dosen = listmhs.getValueAt(row, 2).toString();
String jammasuk = listmhs.getValueAt(row, 3).toString();
enabel();
jTextField2.setText(matkul);
jTextField1.setText(jammasuk);
jComboBox1.setSelectedItem(dosen);
jLabel4.setText(id);
}
private void jComboBox1MouseClicked(java.awt.event.MouseEvent evt) {
// TODO add your handling code here:
3.
Coding :
package absensi_sederhana;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import javax.swing.table.DefaultTableModel;
import javax.swing.JOptionPane;
/**
*
* @author alfa
*/
public class MatkulForm extends javax.swing.JFrame {
/**
* Creates new form MatkulForm
*/
public MatkulForm() {
initComponents();
LoadData();
}
private void kosong(){
jTextField1.setText("");
jTextField2.setText("");
}
private void disabel(){
jTextField1.setEnabled(false);
jTextField2.setEnabled(false);
}
private void enabel(){
jTextField1.setEnabled(true);
jTextField2.setEnabled(true);
}
private void tambah(){
tambah.setEnabled(false);
simpan.setEnabled(true);
update.setEnabled(false);
hapus.setEnabled(false);
batal.setEnabled(true);
kosong();
enabel();
}
private void edit(){
tambah.setEnabled(false);
simpan.setEnabled(false);
hapus.setEnabled(false);
batal.setEnabled(true);
update.setEnabled(true);
}
private void LoadData(){
String[]kolom={"No.","Mata Kuliah","Dosen Pengajar"};
DefaultTableModel tabel = null;
tabel = new DefaultTableModel(null,kolom){
Class[]types= new Class[]{
java.lang.String.class,
java.lang.String.class,
java.lang.String.class,};
public Class getColumnClass(int columnIndex){
return types[columnIndex];}};
listmhs.setModel(tabel);
Connection conn = null;
try{
Class.forName("com.mysql.jdbc.Driver");
conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/db_absensi","root","");
Statement stat = (Statement)conn.createStatement();
String sql = "SELECT * FROM tb_matakuliah";
ResultSet res = stat.executeQuery(sql);
while(res.next()){
String id = res.getString(1);
String cetakmatkul = res.getString(2);
String cetakdosen = res.getString(3);
Object[] data = {id,cetakmatkul,cetakdosen};
tabel.addRow(data);
listmhs.getColumnModel().getColumn(0).setPreferredWidth(100);
listmhs.getColumnModel().getColumn(1).setPreferredWidth(100);
listmhs.getColumnModel().getColumn(2).setPreferredWidth(100);
}
conn.close();
stat.close();
}catch(SQLException Ex){
System.out.println(Ex.getMessage());
}catch(Exception e){
System.out.println(e.getMessage());
}
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
update = new javax.swing.JButton();
batal = new javax.swing.JButton();
jTextField1 = new javax.swing.JTextField();
jScrollPane1 = new javax.swing.JScrollPane();
listmhs = new javax.swing.JTable();
jTextField2 = new javax.swing.JTextField();
tambah = new javax.swing.JButton();
simpan = new javax.swing.JButton();
jLabel5 = new javax.swing.JLabel();
hapus = new javax.swing.JButton();
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
jLabel3 = new javax.swing.JLabel();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
addWindowListener(new java.awt.event.WindowAdapter() {
public void windowActivated(java.awt.event.WindowEvent evt) {
formWindowActivated(evt);
}
});
update.setText("Update");
update.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
updateActionPerformed(evt);
}
});
batal.setText("Batal");
batal.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
batalActionPerformed(evt);
}
});
listmhs.setModel(new javax.swing.table.DefaultTableModel(
new Object [][] {
{null, null, null, null},
{null, null, null, null},
{null, null, null, null},
{null, null, null, null}
},
new String [] {
"Title 1", "Title 2", "Title 3", "Title 4"
}
));
listmhs.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(java.awt.event.MouseEvent evt) {
listmhsMouseClicked(evt);
}
});
jScrollPane1.setViewportView(listmhs);
tambah.setText("Tambah Baru");
tambah.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
tambahActionPerformed(evt);
}
});
simpan.setText("Simpan");
simpan.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
simpanActionPerformed(evt);
}
});
jLabel5.setFont(new java.awt.Font("Tahoma", 0, 18)); // NOI18N
jLabel5.setText("Form Data Mata Kuliah");
hapus.setText("Hapus");
hapus.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
hapusActionPerformed(evt);
}
});
jLabel1.setText("Nama Mata Kuliah");
jLabel2.setText("Nama Dosen Pengajar");
jLabel3.setText("jLabel3");
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
.addContainerGap()
.addComponent(jScrollPane1))
.addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
.addGap(129, 129, 129)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(jLabel5)
.addGap(0, 0, Short.MAX_VALUE))
.addGroup(layout.createSequentialGroup()
.addComponent(tambah)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(simpan, javax.swing.GroupLayout.PREFERRED_SIZE, 103, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(update)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(hapus)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(batal)))))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jLabel3)
.addContainerGap())
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel1)
.addComponent(jLabel2))
.addGap(40, 40, 40)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 139, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jTextField2, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.PREFERRED_SIZE, 333, javax.swing.GroupLayout.PREFERRED_SIZE))
.addContainerGap(97, Short.MAX_VALUE)))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jLabel5)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 113, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(tambah)
.addComponent(simpan)
.addComponent(hapus)
.addComponent(batal)
.addComponent(update))
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 298, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel3))
.addContainerGap())
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addContainerGap(62, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel1)
.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel2)
.addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(383, 383, 383)))
);
pack();
}// </editor-fold>
private void updateActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
Connection conn = null;
try{
Class.forName("com.mysql.jdbc.Driver");
conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/db_absensi","root","");
Statement stat = (Statement)conn.createStatement();
String sql = "UPDATE tb_matakuliah SET matkul='"+jTextField1.getText()+"', dosen= '"+jTextField2.getText()+"' WHERE id_matkul = '"+jLabel3.getText()+"'";
stat.executeUpdate(sql);
JOptionPane.showMessageDialog(null,"Data Mata Kuliah Berhasil Diubah");
conn.close();
stat.close();
LoadData();
kosong();
}catch(SQLException Ex){
System.out.println(Ex.getMessage());
}catch(Exception e){
System.out.println(e.getMessage());
}
}
private void batalActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
tambah.setEnabled(true);
simpan.setEnabled(false);
hapus.setEnabled(false);
batal.setEnabled(false);
update.setEnabled(false);
disabel();
}
private void listmhsMouseClicked(java.awt.event.MouseEvent evt) {
// TODO add your handling code here:
tambah.setEnabled(false);
simpan.setEnabled(false);
hapus.setEnabled(true);
batal.setEnabled(true);
update.setEnabled(true);
int row = listmhs.rowAtPoint(evt.getPoint());
String id = listmhs.getValueAt(row, 0).toString();
String matkul = listmhs.getValueAt(row, 1).toString();
String dosen = listmhs.getValueAt(row, 2).toString();
enabel();
jTextField1.setText(matkul);
jTextField2.setText(dosen);
jLabel3.setText(id);
}
private void tambahActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
tambah();
}
private void simpanActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
Connection conn = null;
try{
Class.forName("com.mysql.jdbc.Driver");
conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/db_absensi","root","");
Statement stat = (Statement)conn.createStatement();
String sql = "INSERT INTO tb_matakuliah(matkul,dosen) VALUES('"+jTextField1.getText()+"','"+jTextField2.getText()+"')";
stat.executeUpdate(sql);
JOptionPane.showMessageDialog(null,"Data Mahasiswa Berhasil Ditambah");
conn.close();
stat.close();
LoadData();
kosong();
}catch(SQLException Ex){
System.out.println(Ex.getMessage());
}catch(Exception e){
System.out.println(e.getMessage());
}
}
private void hapusActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
Connection conn = null;
try{
Class.forName("com.mysql.jdbc.Driver");
conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/db_absensi","root","");
Statement stat = (Statement)conn.createStatement();
String sql = "DELETE FROM tb_matakuliah WHERE id_matkul = '"+jLabel3.getText()+"'";
stat.executeUpdate(sql);
JOptionPane.showMessageDialog(null,"Data Mahasiswa Berhasil Dihapus");
conn.close();
stat.close();
LoadData();
kosong();
}catch(SQLException Ex){
System.out.println(Ex.getMessage());
}catch(Exception e){
System.out.println(e.getMessage());
}
}
private void formWindowActivated(java.awt.event.WindowEvent evt) {
// TODO add your handling code here:
tambah.setEnabled(true);
simpan.setEnabled(false);
hapus.setEnabled(false);
batal.setEnabled(false);
update.setEnabled(false);
disabel();
LoadData();
}
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(MatkulForm.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(MatkulForm.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(MatkulForm.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(MatkulForm.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new MatkulForm().setVisible(true);
}
});
}
4.
Coding :
package absensi_sederhana;
import java.sql.*;
import javax.swing.table.DefaultTableModel;
import javax.swing.JOptionPane;
/**
*
* @author alfa
*/
public class MhsForm extends javax.swing.JFrame {
/**
* Creates new form MhsForm
*/
public MhsForm() {
initComponents();
}
private void kosong(){
jTextField1.setText("");
jTextField2.setText("");
}
private void disabel(){
jTextField1.setEnabled(false);
jTextField2.setEnabled(false);
jTextField3.setEnabled(false);
jComboBox2.setEnabled(false);
}
private void enabel(){
jTextField1.setEnabled(true);
jTextField2.setEnabled(true);
jTextField3.setEnabled(true);
jComboBox2.setEnabled(true);
}
private void tambah(){
tambah.setEnabled(false);
simpan.setEnabled(true);
update.setEnabled(false);
hapus.setEnabled(false);
batal.setEnabled(true);
kosong();
enabel();
}
private void edit(){
tambah.setEnabled(false);
simpan.setEnabled(false);
hapus.setEnabled(false);
batal.setEnabled(true);
update.setEnabled(true);
}
private void LoadData(){
String[]kolom={"NIM","Nama Mahasiswa","Angkatan","Jurusan"};
DefaultTableModel tabel = null;
tabel = new DefaultTableModel(null,kolom){
Class[]types= new Class[]{
java.lang.String.class,
java.lang.String.class,
java.lang.String.class,
java.lang.String.class,};
public Class getColumnClass(int columnIndex){
return types[columnIndex];}};
listmhs.setModel(tabel);
Connection conn = null;
try{
Class.forName("com.mysql.jdbc.Driver");
conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/db_absensi","root","");
Statement stat = (Statement)conn.createStatement();
String sql = "SELECT * FROM tb_mhs";
ResultSet res = stat.executeQuery(sql);
while(res.next()){
String cetaknim = res.getString(1);
String cetaknama = res.getString(2);
String cetakang = res.getString(3);
String cetakjur = res.getString(4);
Object[] data = {cetaknim,cetaknama,cetakang,cetakjur};
tabel.addRow(data);
listmhs.getColumnModel().getColumn(0).setPreferredWidth(100);
listmhs.getColumnModel().getColumn(1).setPreferredWidth(100);
listmhs.getColumnModel().getColumn(2).setPreferredWidth(100);
listmhs.getColumnModel().getColumn(3).setPreferredWidth(100);
}
conn.close();
stat.close();
}catch(SQLException Ex){
System.out.println(Ex.getMessage());
}catch(Exception e){
System.out.println(e.getMessage());
}
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jScrollPane1 = new javax.swing.JScrollPane();
listmhs = new javax.swing.JTable();
hapus = new javax.swing.JButton();
jLabel5 = new javax.swing.JLabel();
simpan = new javax.swing.JButton();
tambah = new javax.swing.JButton();
jLabel2 = new javax.swing.JLabel();
jLabel1 = new javax.swing.JLabel();
jTextField2 = new javax.swing.JTextField();
jTextField1 = new javax.swing.JTextField();
jLabel4 = new javax.swing.JLabel();
jLabel3 = new javax.swing.JLabel();
jComboBox2 = new javax.swing.JComboBox();
batal = new javax.swing.JButton();
update = new javax.swing.JButton();
jTextField3 = new javax.swing.JTextField();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
addWindowListener(new java.awt.event.WindowAdapter() {
public void windowClosed(java.awt.event.WindowEvent evt) {
formWindowClosed(evt);
}
public void windowActivated(java.awt.event.WindowEvent evt) {
formWindowActivated(evt);
}
});
listmhs.setModel(new javax.swing.table.DefaultTableModel(
new Object [][] {
{null, null, null, null},
{null, null, null, null},
{null, null, null, null},
{null, null, null, null}
},
new String [] {
"Title 1", "Title 2", "Title 3", "Title 4"
}
));
listmhs.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(java.awt.event.MouseEvent evt) {
listmhsMouseClicked(evt);
}
});
jScrollPane1.setViewportView(listmhs);
hapus.setText("Hapus");
hapus.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
hapusActionPerformed(evt);
}
});
jLabel5.setFont(new java.awt.Font("Tahoma", 0, 18)); // NOI18N
jLabel5.setText("Form Data Mahasiswa");
simpan.setText("Simpan");
simpan.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
simpanActionPerformed(evt);
}
});
tambah.setText("Tambah Baru");
tambah.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
tambahActionPerformed(evt);
}
});
jLabel2.setText("Nama Mahasiswa");
jLabel1.setText("NIM Mahasiswa");
jLabel4.setText("Jurusan");
jLabel3.setText("Angkatan");
batal.setText("Batal");
batal.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
batalActionPerformed(evt);
}
});
update.setText("Update");
update.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
updateActionPerformed(evt);
}
});
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel1)
.addComponent(jLabel2)
.addComponent(jLabel3)
.addComponent(jLabel4))
.addGap(40, 40, 40)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(jComboBox2, javax.swing.GroupLayout.PREFERRED_SIZE, 174, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(104, 104, 104)
.addComponent(tambah)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(simpan, javax.swing.GroupLayout.PREFERRED_SIZE, 103, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(update)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(hapus)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(batal))
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.addComponent(jTextField2, javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jTextField1, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 139, Short.MAX_VALUE)
.addComponent(jTextField3, javax.swing.GroupLayout.Alignment.LEADING)))
.addGap(85, 85, 85))
.addGroup(layout.createSequentialGroup()
.addGap(325, 325, 325)
.addComponent(jLabel5)
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
.addComponent(jScrollPane1)
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jLabel5)
.addGap(29, 29, 29)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel1)
.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel2)
.addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel3)
.addComponent(jTextField3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(9, 9, 9)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel4)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jComboBox2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(tambah)
.addComponent(simpan)
.addComponent(hapus)
.addComponent(batal)
.addComponent(update)))
.addGap(18, 18, 18)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 298, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
pack();
}// </editor-fold>
private void formWindowClosed(java.awt.event.WindowEvent evt) {
// TODO add your handling code here:
}
private void formWindowActivated(java.awt.event.WindowEvent evt) {
// TODO add your handling code here:
tambah.setEnabled(true);
simpan.setEnabled(false);
hapus.setEnabled(false);
batal.setEnabled(false);
update.setEnabled(false);
disabel();
LoadData();
jComboBox2.addItem("Sistem Informasi");
jComboBox2.addItem("Teknik Informatika");
}
private void listmhsMouseClicked(java.awt.event.MouseEvent evt) {
// TODO add your handling code here:
tambah.setEnabled(false);
simpan.setEnabled(false);
hapus.setEnabled(true);
batal.setEnabled(true);
update.setEnabled(true);
int row = listmhs.rowAtPoint(evt.getPoint());
String nim = listmhs.getValueAt(row, 0).toString();
String nama = listmhs.getValueAt(row, 1).toString();
String angkat = listmhs.getValueAt(row, 2).toString();
String jur = listmhs.getValueAt(row, 3).toString();
enabel();
jTextField1.setText(nim);
jTextField2.setText(nama);
jTextField3.setText(angkat);
jComboBox2.setSelectedItem(jur);
}
private void updateActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
Connection conn = null;
try{
Class.forName("com.mysql.jdbc.Driver");
conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/db_absensi","root","");
Statement stat = (Statement)conn.createStatement();
String sql = "UPDATE tb_mhs SET namamhs='"+jTextField2.getText()+"', angkatan = '"+jTextField3.getText()+"', jurusan= '"+jComboBox2.getSelectedItem()+"' WHERE nim = '"+jTextField1.getText()+"'";
stat.executeUpdate(sql);
JOptionPane.showMessageDialog(null,"Data Mahasiswa Berhasil Diubah");
conn.close();
stat.close();
LoadData();
kosong();
}catch(SQLException Ex){
System.out.println(Ex.getMessage());
}catch(Exception e){
System.out.println(e.getMessage());
}
}
private void tambahActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
tambah();
}
private void batalActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
tambah.setEnabled(true);
simpan.setEnabled(false);
hapus.setEnabled(false);
batal.setEnabled(false);
update.setEnabled(false);
disabel();
}
private void simpanActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
Connection conn = null;
try{
Class.forName("com.mysql.jdbc.Driver");
conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/db_absensi","root","");
Statement stat = (Statement)conn.createStatement();
String sql = "INSERT INTO tb_mhs VALUES('"+jTextField1.getText()+"','"+jTextField2.getText()+"','"+jTextField3.getText()+"','"+jComboBox2.getSelectedItem()+"')";
stat.executeUpdate(sql);
JOptionPane.showMessageDialog(null,"Data Mahasiswa Berhasil Ditambah");
conn.close();
stat.close();
LoadData();
kosong();
}catch(SQLException Ex){
System.out.println(Ex.getMessage());
}catch(Exception e){
System.out.println(e.getMessage());
}
}
private void hapusActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
Connection conn = null;
try{
Class.forName("com.mysql.jdbc.Driver");
conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/db_absensi","root","");
Statement stat = (Statement)conn.createStatement();
String sql = "DELETE FROM tb_mhs WHERE nim = '"+jTextField1.getText()+"'";
stat.executeUpdate(sql);
JOptionPane.showMessageDialog(null,"Data Mahasiswa Berhasil Dihapus");
conn.close();
stat.close();
LoadData();
kosong();
}catch(SQLException Ex){
System.out.println(Ex.getMessage());
}catch(Exception e){
System.out.println(e.getMessage());
}
}
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(MhsForm.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(MhsForm.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(MhsForm.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(MhsForm.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new MhsForm().setVisible(true);
}
});
}
Sekian.
