CODING DASAR PEMROGRAMAN JAVA

Coding yang digunakan dalam pembuatan sistem blockchain tandan buah segar di PTPN IV Kebun Adolina:

1. Coding Form Login Petani Sawit

private void LoginActionPerformed(java.awt.event.ActionEvent evt) {

NamaPetaniSawit.setText("");

Password.setText("");

}

con.close();

}

catch (Exception e){

JOptionPane.showMessageDialog(null,e);

}

// Variables declaration - do not modify private javax.swing.JButton Login;

private javax.swing.JTextField NamaPetaniSawit;

private javax.swing.JTextField Password;

private javax.swing.JLabel jLabel1;

private javax.swing.JLabel jLabel2;

private javax.swing.JLabel jLabel3;

private javax.swing.JLabel jLabel4;

private javax.swing.JLabel jLabel5;

private javax.swing.JScrollPane jScrollPane1;

private javax.swing.JTextArea jTextArea1;

// End of variables declaration

2. Coding Form Home Petani Sawit

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:

InfoTBS_Pabrik a = new InfoTBS_Pabrik ();

a.setVisible(true);

this.setVisible(false);

}

private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:

Data_Petanisawit a = new Data_Petanisawit ();

a.setVisible(true);

this.setVisible(false);

}

// Variables declaration - do not modify private javax.swing.JButton jButton1;

private javax.swing.JButton jButton2;

private javax.swing.JLabel jLabel1;

private javax.swing.JLabel jLabel2;

// End of variables declaration }

3. Coding Form Info TBS Pabrik

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:

Home_Petanisawit b = new Home_Petanisawit();

b.setVisible(true);

this.setVisible(false);

}

// Variables declaration - do not modify private javax.swing.JButton jButton1;

private javax.swing.JLabel jLabel1;

private javax.swing.JLabel jLabel10;

private javax.swing.JLabel jLabel2;

private javax.swing.JLabel jLabel3;

private javax.swing.JLabel jLabel4;

private javax.swing.JLabel jLabel5;

private javax.swing.JLabel jLabel6;

private javax.swing.JLabel jLabel7;

private javax.swing.JLabel jLabel8;

private javax.swing.JLabel jLabel9;

private javax.swing.JScrollPane jScrollPane1;

private javax.swing.JTextArea jTextArea1;

4. Coding Form Data Petani Sawit

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:

try{

String query = "INSERT INTO `data_petanisawit`(`Nama`,

`JenisKelamin`, `Lokasi`, `NoTelepon`, `BeratSawit`, `NamaPengumpul`,

`HargaTBSpengumpul`, `Tanggal`) VALUES (?,?,?,?,?,?,?,?)";

Connection con =

JOptionPane.showMessageDialog(null,"Berhasil Disimpan");

}

catch (Exception ex){

JOptionPane.showMessageDialog(null, ex);

} }

private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:

Login_Petanisawit b = new Login_Petanisawit();

b.setVisible(true);

this.setVisible(false);

}

// Variables declaration - do not modify private javax.swing.JTextField Beratsawit;

private javax.swing.JTextField HargaTBSpengumpul;

private javax.swing.JComboBox<String> Jeniskelamin;

private javax.swing.JTextField Lokasi;

private javax.swing.JTextField Nama;

private javax.swing.JTextField Namapengumpul;

private javax.swing.JTextField Notelepon;

private com.toedter.calendar.JDateChooser Tanggal;

private javax.swing.JButton jButton1;

private javax.swing.JButton jButton2;

private javax.swing.JLabel jLabel1;

private javax.swing.JLabel jLabel10;

private javax.swing.JLabel jLabel11;

private javax.swing.JLabel jLabel12;

private javax.swing.JLabel jLabel14;

private javax.swing.JLabel jLabel2;

private javax.swing.JLabel jLabel3;

private javax.swing.JLabel jLabel4;

private javax.swing.JLabel jLabel5;

private javax.swing.JLabel jLabel6;

private javax.swing.JLabel jLabel7;

private javax.swing.JLabel jLabel8;

private javax.swing.JLabel jLabel9;

private javax.swing.JScrollPane jScrollPane1;

private javax.swing.JTextArea jTextArea1;

// End of variables declaration }

5. Coding Form Login Supplier

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:

try {

Class.forName("com.mysql.jdbc.Driver");

Connection con =

DriverManager.getConnection("jdbc:mysql://localhost:3306/database_user","root","");

String sql = "Select * from loginuser where username=? and password=?";

PreparedStatement pst = con.prepareCall(sql);

pst.setString(1,username.getText());

pst.setString(2,password.getText());

ResultSet rs =pst.executeQuery();

if(rs.next()){

JOptionPane.showMessageDialog(null,"Login Berhasil");

Home_Supplier a = new Home_Supplier();

a.setVisible(true);

this.setVisible(false);

} else{

JOptionPane.showMessageDialog(null,"Login Gagal");

username.setText("");

password.setText("");

}

con.close();

}

catch (Exception e){

JOptionPane.showMessageDialog(null,e);

}

}

// Variables declaration - do not modify private javax.swing.JButton jButton1;

private javax.swing.JLabel jLabel1;

private javax.swing.JLabel jLabel2;

private javax.swing.JLabel jLabel3;

private javax.swing.JLabel jLabel4;

private javax.swing.JLabel jLabel5;

private javax.swing.JLabel jLabel6;

private javax.swing.JPanel jPanel1;

private javax.swing.JPasswordField jPasswordField1;

private javax.swing.JPasswordField password;

private javax.swing.JTextField username;

// End of variables declaration }

6. Coding Form Home Supplier

private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:

Data_TBS a = new Data_TBS();

a.setVisible(true);

this.setVisible(false);

}

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:

Data_Supplier a = new Data_Supplier();

a.setVisible(true);

this.setVisible(false);

}

// Variables declaration - do not modify private javax.swing.JButton jButton1;

private javax.swing.JButton jButton2;

private javax.swing.JLabel jLabel1;

private javax.swing.JLabel jLabel2;

private javax.swing.JScrollPane jScrollPane1;

private javax.swing.JTextArea jTextArea1;

// End of variables declaration

7. Coding Form Data Supplier

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) { try{

String query = "INSERT INTO `datasupplier`(`NamaDepan`, `NamaBelakang`,

`Alamat`, `JenisKelamin`, `Email`, `NoTelepon`, `NoRekening`, `Bank`,

`NamaRekening`) VALUES (?,?,?,?,?,?,?,?,?)";

con =

DriverManager.getConnection("jdbc:mysql://localhost/namasupplier","root","");

pst = con.prepareStatement(query);

pst.setString(1, NamaDepan.getText());

pst.setString(2, NamaBelakang.getText());

pst.setString(3, Alamat.getText());

pst.setString(4, JenisKelamin.getSelectedItem().toString());

pst.setString(5, Email.getText());

pst.setString(6, NoTelepon.getText());

pst.setString(7, NoRekening.getText()); private javax.swing.JTextField Alamat;

private javax.swing.JComboBox<String> Bank;

private javax.swing.JTextField Email;

private javax.swing.JComboBox<String> JenisKelamin;

private javax.swing.JTextField NamaBelakang;

private javax.swing.JTextField NamaDepan;

private javax.swing.JTextField NamaRekening;

private javax.swing.JTextField NoRekening;

private javax.swing.JTextField NoTelepon;

private javax.swing.JButton jButton1;

private javax.swing.JButton jButton3;

private javax.swing.JLabel jLabel1;

private javax.swing.JLabel jLabel11;

private javax.swing.JLabel jLabel18;

private javax.swing.JLabel jLabel2;

private javax.swing.JLabel jLabel3;

private javax.swing.JLabel jLabel4;

private javax.swing.JLabel jLabel5;

private javax.swing.JLabel jLabel6;

private javax.swing.JLabel jLabel7;

private javax.swing.JLabel jLabel8;

private javax.swing.JLabel jLabel9;

private javax.swing.JScrollPane jScrollPane1;

private javax.swing.JTextArea jTextArea1;

// End of variables declaration }

8. Coding Form Data TBS

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:

try{

String query = "INSERT INTO `datatbs`(`JumlahTBS`, `Lokasi`,

`HargaTBSsupplier`, `Tanggal`) VALUES (?,?,?,?)";

Connection con = DriverManager.getConnection("jdbc:mysql://localhost/data_tbs","root","");

PreparedStatement pst = con.prepareStatement(query);

pst.setString(1, JumlahTBS.getText());

pst.setString(2, Lokasi.getText());

pst.setString(3, HargaTBSsupplier.getText());

pst.setString(4,((JTextField)Tanggal.getDateEditor().getUiComponent()).getText(

));

pst.executeUpdate();

JOptionPane.showMessageDialog(null,"Berhasil Disimpan");

}

catch (Exception ex){

JOptionPane.showMessageDialog(null, ex);

}

private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:

Login_Supplier a = new Login_Supplier();

a.setVisible(true);

this.setVisible(false);

}

// Variables declaration - do not modify private javax.swing.JTextField HargaTBSsupplier;

private javax.swing.JTextField JumlahTBS;

private javax.swing.JTextField Lokasi;

private com.toedter.calendar.JDateChooser Tanggal;

private javax.swing.JButton jButton1;

private javax.swing.JButton jButton2;

private javax.swing.JLabel jLabel1;

private javax.swing.JLabel jLabel10;

private javax.swing.JLabel jLabel2;

private javax.swing.JLabel jLabel3;

private javax.swing.JLabel jLabel4;

private javax.swing.JLabel jLabel5;

private javax.swing.JLabel jLabel6;

private javax.swing.JLabel jLabel7;

private javax.swing.JLabel jLabel8;

private javax.swing.JScrollPane jScrollPane1;

private javax.swing.JTextArea jTextArea1;

// End of variables declaration }

9. Coding Form Login Admin Pabrik // TODO add your handling code here:

PreparedStatement pst = con.prepareStatement (sql);

// Variables declaration - do not modify private javax.swing.JTextField Nama_Admin;

private javax.swing.JPasswordField Password;

private javax.swing.JButton jButton1;

private javax.swing.JLabel jLabel1;

private javax.swing.JLabel jLabel2;

private javax.swing.JLabel jLabel3;

private javax.swing.JLabel jLabel4;

private javax.swing.JLabel jLabel6;

private javax.swing.JScrollPane jScrollPane2;

private javax.swing.JTextArea jTextArea2;

// End of variables declaration }

10. Coding Form Home Admin Pabrik

private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here:

Data_PembelianTBS b = new Data_PembelianTBS();

b.setVisible(true);

this.setVisible(false);

}

private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) { // TODO add your handling code here: