Membuat Login Form Menggunakan Netbeans

Pada postingan postingan sebelumnya saya banyak tuliskan mengenai open source terutama untuk dunia pendidikan, pada kesempatan kali ini saya akan coba buat sebuah project java dengan menggunakan program opensource yaitu netbeans.
Oke tanpa banyak cang cing cong lagi kita mulai pembuatan sebuah project. Pertama buatlah segelas kopi lengkap dengan cemilannya, ini berguna untuk membantu kita supaya terhindar dari ngantuk dan lapar... heheheh
Langsung aja mari kita buka Netbeans... Ikuti langkah-langkah sebagai berikut :
Pilih file...

Pilih Categories-nya Java dan pada bagian Project pilih Java Aplication kemudian lanjutkan dengan menekan tombol Next

Pada bagian ini cukup kita isikan saja nama project yang akan kita buat di bagian Project Name

setelah nama project yang kita inginkan selesai di buat kemudian klik tombol finish di bagian bawah, akhirnya proses pembuatan Main Project kita selesai

Langkah berikutnya dalam pembuatan Login Form adalah membuat project baru, biasanya saya menamakan kannya project gui
Oke semuanya masih siap... kita mulai saja...
Buatlah sebuah project baru dengan cara klik kanan pada project tadi yang kita buat

kemudian pilih new ---> project

Package Name isi sesuai keinginan kita dalam hal ini saya berikan nama GUI (biar sesuai untuk penempatan frame-frame kita)

Disainlah sebuah form seperti ini

Oke lets coding....

/*<br /> * To change this template, choose Tools | Templates<br /> * and open the template in the editor.<br /> */<br /> <br /> /*<br /> * JFrameLogin.java<br /> *<br /> * Created on 15 Apr 11, 23:25:43<br /> */<br /> <br /> package dat.gui;<br /> <br /> import java.sql.*;<br /> import javax.swing.*;<br /> <br /> /**<br /> *<br /> * @author joy0jay<br /> */<br /> <br /> public class JFrameLogin extends javax.swing.JFrame {<br /> <br /> /** Creates new form JFrameLogin */<br /> Statement Stm;<br /> Connection con;<br /> ResultSet RsUser;<br /> public JFrameLogin() {<br /> initComponents();<br /> openDataBase(); //agar saat run database langsung terbaca<br /> }<br /> <br /> private void openDataBase() //untuk koneksi dengan database<br /> {<br /> try<br /> {<br /> Class.forName("com.mysql.jdbc.Driver");<br /> con=DriverManager.getConnection("jdbc:mysql://localhost/dbDAT","root","");<br /> System.out.println("Koneksi Database Berhasil...!!");<br /> }<br /> catch(ClassNotFoundException e)<br /> {<br /> System.out.println("Database Tidak Ditemukan");<br /> }<br /> catch(Exception e)<br /> {<br /> System.out.println(e);<br /> }<br /> }<br /> <br /> /** This method is called from within the constructor to<br /> * initialize the form.<br /> * WARNING: Do NOT modify this code. The content of this method is<br /> * always regenerated by the Form Editor.<br /> */<br /> @SuppressWarnings("unchecked")<br /> // <editor-fold defaultstate="collapsed" desc="Generated Code"> <br /> private void initComponents() {<br /> <br /> jLabel1 = new javax.swing.JLabel();<br /> jSeparator1 = new javax.swing.JSeparator();<br /> jLabel2 = new javax.swing.JLabel();<br /> jLabel3 = new javax.swing.JLabel();<br /> txtUserID = new javax.swing.JTextField();<br /> txtPassword = new javax.swing.JPasswordField();<br /> jMasuk = new javax.swing.JButton();<br /> jBatal = new javax.swing.JButton();<br /> jSeparator2 = new javax.swing.JSeparator();<br /> <br /> setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);<br /> <br /> jLabel1.setFont(new java.awt.Font("Tahoma", 1, 23));<br /> jLabel1.setText("Masukan Data Pengguna");<br /> <br /> jLabel2.setFont(new java.awt.Font("Tahoma", 0, 14));<br /> jLabel2.setText("User ID");<br /> <br /> jLabel3.setFont(new java.awt.Font("Tahoma", 0, 14));<br /> jLabel3.setText("Password");<br /> <br /> jMasuk.setText("Masuk");<br /> jMasuk.addActionListener(new java.awt.event.ActionListener() {<br /> public void actionPerformed(java.awt.event.ActionEvent evt) {<br /> jMasukActionPerformed(evt);<br /> }<br /> });<br /> <br /> jBatal.setText("Batal");<br /> jBatal.addActionListener(new java.awt.event.ActionListener() {<br /> public void actionPerformed(java.awt.event.ActionEvent evt) {<br /> jBatalActionPerformed(evt);<br /> }<br /> });<br /> <br /> javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());<br /> getContentPane().setLayout(layout);<br /> layout.setHorizontalGroup(<br /> layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)<br /> .addGroup(layout.createSequentialGroup()<br /> .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)<br /> .addGroup(layout.createSequentialGroup()<br /> .addGap(74, 74, 74)<br /> .addComponent(jLabel1))<br /> .addGroup(layout.createSequentialGroup()<br /> .addContainerGap(180, Short.MAX_VALUE)<br /> .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)<br /> .addComponent(jLabel2)<br /> .addComponent(jLabel3))<br /> .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)<br /> .addGroup(layout.createSequentialGroup()<br /> .addGap(18, 18, 18)<br /> .addComponent(jMasuk)<br /> .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)<br /> .addComponent(jBatal))<br /> .addGroup(layout.createSequentialGroup()<br /> .addGap(18, 18, 18)<br /> .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)<br /> .addComponent(txtUserID, javax.swing.GroupLayout.Alignment.LEADING)<br /> .addComponent(txtPassword, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 125, Short.MAX_VALUE))))<br /> .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 64, Short.MAX_VALUE))<br /> .addGroup(layout.createSequentialGroup()<br /> .addContainerGap()<br /> .addComponent(jSeparator1, javax.swing.GroupLayout.DEFAULT_SIZE, 436, Short.MAX_VALUE))<br /> .addGroup(layout.createSequentialGroup()<br /> .addContainerGap()<br /> .addComponent(jSeparator2, javax.swing.GroupLayout.DEFAULT_SIZE, 436, Short.MAX_VALUE)))<br /> .addContainerGap())<br /> );<br /> layout.setVerticalGroup(<br /> layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)<br /> .addGroup(layout.createSequentialGroup()<br /> .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)<br /> .addGroup(layout.createSequentialGroup()<br /> .addContainerGap()<br /> .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 28, javax.swing.GroupLayout.PREFERRED_SIZE)<br /> .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)<br /> .addComponent(jSeparator1, javax.swing.GroupLayout.PREFERRED_SIZE, 10, javax.swing.GroupLayout.PREFERRED_SIZE)<br /> .addGap(24, 24, 24)<br /> .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)<br /> .addComponent(jLabel2)<br /> .addComponent(txtUserID, javax.swing.GroupLayout.PREFERRED_SIZE, 27, javax.swing.GroupLayout.PREFERRED_SIZE))<br /> .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)<br /> .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)<br /> .addComponent(jLabel3)<br /> .addComponent(txtPassword, javax.swing.GroupLayout.PREFERRED_SIZE, 27, javax.swing.GroupLayout.PREFERRED_SIZE))<br /> .addGap(31, 31, 31)<br /> .addComponent(jSeparator2, javax.swing.GroupLayout.PREFERRED_SIZE, 10, javax.swing.GroupLayout.PREFERRED_SIZE))<br /> .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()<br /> .addGap(183, 183, 183)<br /> .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)<br /> .addComponent(jMasuk, javax.swing.GroupLayout.DEFAULT_SIZE, 31, Short.MAX_VALUE)<br /> .addComponent(jBatal, javax.swing.GroupLayout.PREFERRED_SIZE, 31, javax.swing.GroupLayout.PREFERRED_SIZE))))<br /> .addContainerGap())<br /> );<br /> <br /> pack();<br /> }// </editor-fold> <br /> <br /> private void jBatalActionPerformed(java.awt.event.ActionEvent evt) { <br /> // TODO add your handling code here:<br /> System.exit(0);<br /> } <br /> <br /> private void jMasukActionPerformed(java.awt.event.ActionEvent evt) { <br /> // TODO add your handling code here:<br /> try<br /> {<br /> String password;<br /> password = new String(txtPassword.getPassword());<br /> String tUserId = txtUserID.getText();<br /> <br /> Stm = con.createStatement();<br /> RsUser = Stm.executeQuery("Select * from tuser where UserID = '"+tUserId+"'"+"and password = '"+password+"'");<br /> <br /> int baris = 0;<br /> while(RsUser.next())<br /> {<br /> baris = RsUser.getRow();<br /> }<br /> if(baris == 1)<br /> {<br /> dispose();<br /> new JFrameMenu().setVisible(true);<br /> }<br /> else<br /> {<br /> JOptionPane.showMessageDialog(null, "User Id atau Password Tidak Cocok\n '"+tUserId+"'\n'"+password+"'");<br /> }<br /> }<br /> catch(Exception e)<br /> {<br /> JOptionPane.showMessageDialog(null, e);<br /> }<br /> } <br /> <br /> /**<br /> * @param args the command line arguments<br /> */<br /> public static void main(String args[]) {<br /> java.awt.EventQueue.invokeLater(new Runnable() {<br /> public void run() {<br /> new JFrameLogin().setVisible(true);<br /> }<br /> });<br /> }<br /> <br /> // Variables declaration - do not modify <br /> private javax.swing.JButton jBatal;<br /> private javax.swing.JLabel jLabel1;<br /> private javax.swing.JLabel jLabel2;<br /> private javax.swing.JLabel jLabel3;<br /> private javax.swing.JButton jMasuk;<br /> private javax.swing.JSeparator jSeparator1;<br /> private javax.swing.JSeparator jSeparator2;<br /> private javax.swing.JPasswordField txtPassword;<br /> private javax.swing.JTextField txtUserID;<br /> // End of variables declaration <br /> <br /> }<br />