Cara Membuat Form Transaksi dengan Java


Pada sebuah aplikasi kasir sangat dibutuhkan sebuah form transaksi yang menggunakan id transaksi secara otomatis. Dalam membuat aplikasi kasir atau yang sering kita dengar dengan nama Point Of Sales mengkin sobat sering mengalami kesulitan dalam membuat tampilan untuk form transaksinya terutama bagi anda yang belajar bahasa pemrograman java. Di postingan kali ini saya akan share ke temen-teman dan bisa download source codenya. Sebelum sobat download perhatikan dulu tutorial berikut ini:
  1. Buat databasenya terlebih dahulu, nama databasenya db_transaksi dengan tabel djual, jual, tblbrg.

  2. Buat struktur projectnya seperti berikut:

  3. Buat package entity dan buat class Entitas.java 
  4. Source code Entitas.java:
    package entity;
    /**
     *
     * @author Denny Wahyudi
     */
    public class Entitas {
    public String no_jual, id, tgl_jual, total, bayar, kembalian;
    
        public String getNojual() {
            return no_jual;
        }
    
        public String getId() {
            return id;
            
            
        }public String getTglJual() {
            return tgl_jual;
        }
        
        public String getTotal() {
            return total;
        }
        public String getBayar() {
            return bayar;
        }
        public String getKembalian() {
            return kembalian;
        }
        
        public void setNoJual(String no_jual) {
            this.no_jual = no_jual;
        }
    
        public void setId(String id) {
            this.id = id;
        }
       
        public void setTglJual(String tgl_jual) {
            this.tgl_jual = tgl_jual;
        }
        
        public void setTotal(String total) {
            this.total = total;
        }
        
        public void setBayar(String bayar) {
            this.bayar = bayar;
        }
        
        public void setKembalian(String kembalian) {
            this.kembalian = kembalian;
        } 
    }
    
  5. Buat package method dan buat class Control.java:
  6. Source code Control.java:
    package method;
    
    import entity.Entitas;
    import java.sql.Connection;
    import java.sql.DriverManager;
    import java.sql.ResultSet;
    import java.sql.SQLException;
    import java.sql.Statement;
    import java.util.ArrayList;
    import java.util.List;
    import java.util.logging.Level;
    import java.util.logging.Logger;
    import javax.swing.JOptionPane;
    
    public class Control {
        Connection con=null;
        Statement st=null;
        ResultSet rs=null;
        String sql=null;
    
        public Control(){
            try{
                Class.forName("com.mysql.jdbc.Driver");
                con=DriverManager.getConnection("jdbc:mysql://localhost:3306/db_transaksi","root","");
                st=con.createStatement();
            }catch(Exception a){
                JOptionPane.showMessageDialog(null, "Koneksi Database Gagal, Terjadi kesalahaan Pada : \n"+a);
            }
        }
    
        public List tampil(){
            List logBarang = new ArrayList();       
            sql="select no_jual from jual order by id_jual asc";
            try{
                rs=st.executeQuery(sql);
    
                while(rs.next()){
                    Entitas eb=new Entitas();
                    eb.setNoJual(rs.getString("no_jual"));               
                    logBarang.add(eb);
                }
            } catch(SQLException a){
                JOptionPane.showMessageDialog(null, "Terjadi kesalahaan tampil, pada :\n"+a);
            }
            return logBarang;
        }
    }
    
  7. Buat package aplikasi dan buat class JFrame FormTransaksi.java dan desain tampilannya seperti berikut:

  8. Source code FormTransaksi.java:
    package aplikasi;
    
    import method.Control;
    import entity.Entitas;
    import java.awt.event.KeyEvent;
    import java.util.ArrayList;
    import java.util.List;
    import method.Control;
    import com.mysql.jdbc.Connection;
    import com.mysql.jdbc.Statement;
    import entity.Entitas;
    import java.sql.DriverManager;
    import java.sql.ResultSet;
    import java.sql.SQLException;
    import java.util.ArrayList;
    import java.util.Calendar;
    import java.util.List;
    import javax.swing.JOptionPane;
    import javax.swing.JSpinner;
    import javax.swing.table.DefaultTableModel;
    
    public class FormTransaksi extends javax.swing.JFrame {
        
         int x=0;
            private DefaultTableModel model;
            Control bc=new Control();
            Entitas eb=new Entitas();
            List  listBarang=new ArrayList();
        
        Statement stm;
        Connection Con;
        private double total;
        DefaultTableModel tableModel = new DefaultTableModel(
        new Object [ ][ ] {},
        new String [ ] {
        "Kd Barang", "Nama Barang","Harga Barang","Jumlah","Total"
        });
        private int row;
        private String tanggal;
    
        public FormTransaksi() {
            initComponents();
            bersih();
            siapIsi(false);
            aktif(false);
            setTombol(true);
            setLocationRelativeTo(this);
            txttanggal.setEditor(new JSpinner.DateEditor(txttanggal,"yyyy/MM/dd"));
            isi_combobrg();
            inisialisasi_tabel();
            open_db();
        }
       
        private void bersih(){
        txtnojual.setText(null);
            
        }
    
        private void siapIsi(boolean a){
        txtnojual.setEnabled(a);
            
        }
        
        private void buatNoJual(){
            listBarang=bc.tampil();
            int a=listBarang.size()-1;
            int no=Integer.parseInt(listBarang.get(a).getNojual().replace("NOTA-", ""))+1;
            txtnojual.setText("NOTA-"+no);
            txtnojual.setEnabled(false);
        }
        
        @SuppressWarnings("unchecked")
        //                           
        private void initComponents() {
    
            jPanel1 = new javax.swing.JPanel();
            jLabel1 = new javax.swing.JLabel();
            jLabel2 = new javax.swing.JLabel();
            txtnojual = new javax.swing.JTextField();
            txttanggal = new javax.swing.JSpinner();
            bttambah = new javax.swing.JButton();
            jPanel5 = new javax.swing.JPanel();
            txtshowharga = new javax.swing.JLabel();
            jLabel11 = new javax.swing.JLabel();
            jPanel2 = new javax.swing.JPanel();
            cmbkdbrg = new javax.swing.JComboBox();
            txtnm_brg = new javax.swing.JTextField();
            txtharga = new javax.swing.JTextField();
            txtjumlah = new javax.swing.JTextField();
            txttot = new javax.swing.JTextField();
            jLabel5 = new javax.swing.JLabel();
            btsimpanitem = new javax.swing.JButton();
            bthapusitem = new javax.swing.JButton();
            jLabel3 = new javax.swing.JLabel();
            jLabel12 = new javax.swing.JLabel();
            jLabel13 = new javax.swing.JLabel();
            jPanel3 = new javax.swing.JPanel();
            jScrollPane1 = new javax.swing.JScrollPane();
            tbljual = new javax.swing.JTable();
            jLabel7 = new javax.swing.JLabel();
            jLabel8 = new javax.swing.JLabel();
            jPanel4 = new javax.swing.JPanel();
            txtkembali = new javax.swing.JTextField();
            jLabel10 = new javax.swing.JLabel();
            txtbayar = new javax.swing.JTextField();
            jLabel9 = new javax.swing.JLabel();
            Total = new javax.swing.JLabel();
            txttotal = new javax.swing.JTextField();
            btsimpan = new javax.swing.JButton();
            btkeluar = new javax.swing.JButton();
            jPanel6 = new javax.swing.JPanel();
            jLabel6 = new javax.swing.JLabel();
            jLabel4 = new javax.swing.JLabel();
    
            setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
            setTitle("Form Tramsaksi");
    
            jPanel1.setBackground(new java.awt.Color(143, 176, 219));
    
            jLabel1.setText("No Jual");
    
            jLabel2.setText("Tanggal");
    
            txtnojual.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    txtnojualActionPerformed(evt);
                }
            });
    
            txttanggal.setModel(new javax.swing.SpinnerDateModel());
    
            bttambah.setText("Tambah");
            bttambah.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    bttambahActionPerformed(evt);
                }
            });
    
            jPanel5.setBackground(new java.awt.Color(255, 255, 255));
    
            txtshowharga.setFont(new java.awt.Font("Arial Narrow", 1, 48)); // NOI18N
            txtshowharga.setText("0");
    
            javax.swing.GroupLayout jPanel5Layout = new javax.swing.GroupLayout(jPanel5);
            jPanel5.setLayout(jPanel5Layout);
            jPanel5Layout.setHorizontalGroup(
                jPanel5Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel5Layout.createSequentialGroup()
                    .addContainerGap(159, Short.MAX_VALUE)
                    .addComponent(txtshowharga)
                    .addGap(49, 49, 49))
            );
            jPanel5Layout.setVerticalGroup(
                jPanel5Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel5Layout.createSequentialGroup()
                    .addGap(0, 0, Short.MAX_VALUE)
                    .addComponent(txtshowharga))
            );
    
            jLabel11.setText("Total");
    
            javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
            jPanel1.setLayout(jPanel1Layout);
            jPanel1Layout.setHorizontalGroup(
                jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(jPanel1Layout.createSequentialGroup()
                    .addGap(36, 36, 36)
                    .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(jPanel1Layout.createSequentialGroup()
                            .addComponent(jLabel2)
                            .addGap(18, 18, 18)
                            .addComponent(txttanggal, javax.swing.GroupLayout.PREFERRED_SIZE, 117, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addGroup(jPanel1Layout.createSequentialGroup()
                            .addComponent(jLabel1)
                            .addGap(18, 18, 18)
                            .addComponent(txtnojual, javax.swing.GroupLayout.PREFERRED_SIZE, 120, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                            .addComponent(bttambah)))
                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(jLabel11)
                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                    .addComponent(jPanel5, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addContainerGap())
            );
            jPanel1Layout.setVerticalGroup(
                jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(jPanel1Layout.createSequentialGroup()
                    .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(jPanel1Layout.createSequentialGroup()
                            .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                .addComponent(jLabel1)
                                .addComponent(txtnojual, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addComponent(bttambah)
                                .addComponent(jLabel11))
                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                            .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                                .addComponent(txttanggal, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addComponent(jLabel2)))
                        .addComponent(jPanel5, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addContainerGap())
            );
    
            jPanel2.setBackground(new java.awt.Color(204, 204, 204));
    
            cmbkdbrg.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Pilih Kode Barang" }));
            cmbkdbrg.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    cmbkdbrgActionPerformed(evt);
                }
            });
    
            txtnm_brg.setEditable(false);
    
            txtharga.setEditable(false);
            txtharga.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    txthargaActionPerformed(evt);
                }
            });
    
            txtjumlah.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    txtjumlahActionPerformed(evt);
                }
            });
    
            txttot.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    txttotActionPerformed(evt);
                }
            });
            txttot.addKeyListener(new java.awt.event.KeyAdapter() {
                public void keyReleased(java.awt.event.KeyEvent evt) {
                    txttotKeyReleased(evt);
                }
            });
    
            jLabel5.setFont(new java.awt.Font("Arial", 1, 12)); // NOI18N
            jLabel5.setText("Data Barang");
    
            btsimpanitem.setText("Tambah Item");
            btsimpanitem.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    btsimpanitemActionPerformed(evt);
                }
            });
    
            bthapusitem.setText("Hapus Item");
            bthapusitem.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    bthapusitemActionPerformed(evt);
                }
            });
    
            jLabel3.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
            jLabel3.setText("Jumlah");
    
            jLabel12.setFont(new java.awt.Font("Tahoma", 0, 9)); // NOI18N
            jLabel12.setText("*tekan enter");
    
            jLabel13.setFont(new java.awt.Font("Tahoma", 0, 9)); // NOI18N
            jLabel13.setText("*tekan enter");
    
            javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);
            jPanel2.setLayout(jPanel2Layout);
            jPanel2Layout.setHorizontalGroup(
                jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(jPanel2Layout.createSequentialGroup()
                    .addGap(30, 30, 30)
                    .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(jPanel2Layout.createSequentialGroup()
                            .addComponent(cmbkdbrg, javax.swing.GroupLayout.PREFERRED_SIZE, 138, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                            .addComponent(txtnm_brg, javax.swing.GroupLayout.PREFERRED_SIZE, 163, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                            .addComponent(txtharga, javax.swing.GroupLayout.PREFERRED_SIZE, 91, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addComponent(jLabel5, javax.swing.GroupLayout.PREFERRED_SIZE, 90, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                    .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addComponent(txtjumlah, javax.swing.GroupLayout.PREFERRED_SIZE, 80, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addComponent(jLabel3)
                        .addComponent(jLabel12))
                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                    .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addComponent(jLabel13)
                        .addGroup(jPanel2Layout.createSequentialGroup()
                            .addComponent(txttot, javax.swing.GroupLayout.PREFERRED_SIZE, 82, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                            .addComponent(btsimpanitem)
                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                            .addComponent(bthapusitem)))
                    .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
            );
            jPanel2Layout.setVerticalGroup(
                jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(jPanel2Layout.createSequentialGroup()
                    .addGap(8, 8, 8)
                    .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                        .addComponent(jLabel5)
                        .addComponent(jLabel3))
                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                    .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                        .addComponent(cmbkdbrg, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addComponent(txtnm_brg, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addComponent(txtharga, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addComponent(txtjumlah, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addComponent(txttot, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addComponent(btsimpanitem)
                        .addComponent(bthapusitem))
                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                        .addComponent(jLabel12)
                        .addComponent(jLabel13))
                    .addContainerGap())
            );
    
            jPanel3.setBackground(new java.awt.Color(255, 255, 255));
    
            tbljual.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"
                }
            ));
            tbljual.addMouseListener(new java.awt.event.MouseAdapter() {
                public void mouseClicked(java.awt.event.MouseEvent evt) {
                    tbljualMouseClicked(evt);
                }
            });
            tbljual.addAncestorListener(new javax.swing.event.AncestorListener() {
                public void ancestorMoved(javax.swing.event.AncestorEvent evt) {
                }
                public void ancestorAdded(javax.swing.event.AncestorEvent evt) {
                    tbljualAncestorAdded(evt);
                }
                public void ancestorRemoved(javax.swing.event.AncestorEvent evt) {
                }
            });
            jScrollPane1.setViewportView(tbljual);
    
            jLabel7.setFont(new java.awt.Font("Arial", 1, 12)); // NOI18N
            jLabel7.setText("Detail Barang");
    
            javax.swing.GroupLayout jPanel3Layout = new javax.swing.GroupLayout(jPanel3);
            jPanel3.setLayout(jPanel3Layout);
            jPanel3Layout.setHorizontalGroup(
                jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(jPanel3Layout.createSequentialGroup()
                    .addContainerGap()
                    .addComponent(jScrollPane1)
                    .addContainerGap())
                .addGroup(jPanel3Layout.createSequentialGroup()
                    .addGap(32, 32, 32)
                    .addComponent(jLabel7, javax.swing.GroupLayout.PREFERRED_SIZE, 131, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
            );
            jPanel3Layout.setVerticalGroup(
                jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(jPanel3Layout.createSequentialGroup()
                    .addComponent(jLabel7, javax.swing.GroupLayout.PREFERRED_SIZE, 20, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                    .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 129, Short.MAX_VALUE)
                    .addContainerGap())
            );
    
            jPanel4.setBackground(new java.awt.Color(143, 176, 219));
    
            txtkembali.setEditable(false);
            txtkembali.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    txtkembaliActionPerformed(evt);
                }
            });
            txtkembali.addKeyListener(new java.awt.event.KeyAdapter() {
                public void keyReleased(java.awt.event.KeyEvent evt) {
                    txtkembaliKeyReleased(evt);
                }
            });
    
            jLabel10.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
            jLabel10.setText("Kembalian");
    
            txtbayar.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    txtbayarActionPerformed(evt);
                }
            });
            txtbayar.addKeyListener(new java.awt.event.KeyAdapter() {
                public void keyReleased(java.awt.event.KeyEvent evt) {
                    txtbayarKeyReleased(evt);
                }
            });
    
            jLabel9.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
            jLabel9.setText("Bayar");
    
            Total.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
            Total.setText("Total");
    
            txttotal.setEditable(false);
            txttotal.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    txttotalActionPerformed(evt);
                }
            });
            txttotal.addKeyListener(new java.awt.event.KeyAdapter() {
                public void keyReleased(java.awt.event.KeyEvent evt) {
                    txttotalKeyReleased(evt);
                }
            });
    
            btsimpan.setText("Simpan");
            btsimpan.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    btsimpanActionPerformed(evt);
                }
            });
    
            btkeluar.setText("Keluar");
            btkeluar.addActionListener(new java.awt.event.ActionListener() {
                public void actionPerformed(java.awt.event.ActionEvent evt) {
                    btkeluarActionPerformed(evt);
                }
            });
    
            javax.swing.GroupLayout jPanel4Layout = new javax.swing.GroupLayout(jPanel4);
            jPanel4.setLayout(jPanel4Layout);
            jPanel4Layout.setHorizontalGroup(
                jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel4Layout.createSequentialGroup()
                    .addGap(752, 752, 752)
                    .addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(jPanel4Layout.createSequentialGroup()
                            .addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                .addComponent(jLabel9)
                                .addComponent(Total))
                            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 32, Short.MAX_VALUE)
                            .addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                                .addComponent(txtbayar, javax.swing.GroupLayout.DEFAULT_SIZE, 180, Short.MAX_VALUE)
                                .addComponent(txttotal))
                            .addContainerGap(29, Short.MAX_VALUE))
                        .addGroup(jPanel4Layout.createSequentialGroup()
                            .addComponent(jLabel10)
                            .addGap(6, 6, 6)
                            .addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                .addGroup(jPanel4Layout.createSequentialGroup()
                                    .addComponent(btsimpan, javax.swing.GroupLayout.PREFERRED_SIZE, 90, javax.swing.GroupLayout.PREFERRED_SIZE)
                                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                                    .addComponent(btkeluar, javax.swing.GroupLayout.PREFERRED_SIZE, 79, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addComponent(txtkembali, javax.swing.GroupLayout.PREFERRED_SIZE, 180, javax.swing.GroupLayout.PREFERRED_SIZE))
                            .addContainerGap())))
            );
            jPanel4Layout.setVerticalGroup(
                jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(jPanel4Layout.createSequentialGroup()
                    .addContainerGap()
                    .addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                        .addComponent(txttotal, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addComponent(Total))
                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                    .addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                        .addComponent(txtbayar, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addComponent(jLabel9))
                    .addGap(5, 5, 5)
                    .addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                        .addComponent(jLabel10)
                        .addComponent(txtkembali, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                    .addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                        .addComponent(btsimpan)
                        .addComponent(btkeluar))
                    .addContainerGap(28, Short.MAX_VALUE))
            );
    
            jPanel6.setBackground(new java.awt.Color(143, 176, 219));
    
            jLabel6.setFont(new java.awt.Font("Arial", 1, 24)); // NOI18N
            jLabel6.setForeground(new java.awt.Color(255, 255, 255));
            jLabel6.setText("Transaksi Penjualan");
    
            jLabel4.setFont(new java.awt.Font("Tahoma", 0, 12)); // NOI18N
            jLabel4.setForeground(new java.awt.Color(255, 255, 255));
            jLabel4.setText("http://denny-id.blogspot.co.id");
    
            javax.swing.GroupLayout jPanel6Layout = new javax.swing.GroupLayout(jPanel6);
            jPanel6.setLayout(jPanel6Layout);
            jPanel6Layout.setHorizontalGroup(
                jPanel6Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(jPanel6Layout.createSequentialGroup()
                    .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addGroup(jPanel6Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                        .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel6Layout.createSequentialGroup()
                            .addComponent(jLabel6)
                            .addGap(391, 391, 391))
                        .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel6Layout.createSequentialGroup()
                            .addComponent(jLabel4)
                            .addGap(433, 433, 433))))
            );
            jPanel6Layout.setVerticalGroup(
                jPanel6Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel6Layout.createSequentialGroup()
                    .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(jLabel6, javax.swing.GroupLayout.PREFERRED_SIZE, 32, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                    .addComponent(jLabel4)
                    .addContainerGap())
            );
    
            javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
            getContentPane().setLayout(layout);
            layout.setHorizontalGroup(
                layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addComponent(jPanel3, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addComponent(jPanel4, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addGroup(layout.createSequentialGroup()
                    .addGap(123, 123, 123)
                    .addComponent(jLabel8)
                    .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addComponent(jPanel6, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
            );
            layout.setVerticalGroup(
                layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(layout.createSequentialGroup()
                    .addComponent(jPanel6, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                    .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                    .addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                    .addComponent(jPanel3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                    .addComponent(jPanel4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                    .addComponent(jLabel8))
            );
    
            pack();
        }//                         
    
        private void btkeluarActionPerformed(java.awt.event.ActionEvent evt) {                                         
            dispose();        // TODO add your handling code here:
        }                                        
    
        private void bttambahActionPerformed(java.awt.event.ActionEvent evt) {                                         
        
        if(bttambah.getText().equalsIgnoreCase("tambah")){
                bttambah.setText("Batal");
                bersih();
                siapIsi(true);
                buatNoJual();
               
                bttambah.setEnabled(true);
                
            } else{
                bttambah.setText("Tambah");
                bersih();
                siapIsi(true);
               
            }
            
        aktif(true);
        setTombol(true);
        
        }                                        
    
        private void txttotalActionPerformed(java.awt.event.ActionEvent evt) {                                         
    
        // TODO add your handling code here:
        }                                        
    
        private void cmbkdbrgActionPerformed(java.awt.event.ActionEvent evt) {                                         
            data_barang(); // TODO add your handling code here:
        }                                        
    
        private void btsimpanitemActionPerformed(java.awt.event.ActionEvent evt) {                                             
            simpan_ditabel();        
            // TODO add your handling code here:
        }                                            
    
        private void btsimpanActionPerformed(java.awt.event.ActionEvent evt) {                                         
            try{
                open_db();
                int xidjual = 0;
                String xnojual=txtnojual.getText();
                format_tanggal();  
                String xtotal=txttotal.getText();
                String xbayar=txtbayar.getText();
                String xkembalian=txtkembali.getText();
                //String xkd = cmbkdbrg.getSelectedItem().toString();
    
                String msql="insert into jual values('"+xidjual+"','"+xnojual+"','"+tanggal+"','"+xtotal+"','"+xbayar+"','"+xkembalian+"')";
                stm.executeUpdate(msql);
    
                int t = tbljual.getRowCount();
                for(int i=0; i < t ; i++)
                {
                    int xiddjual = 0;
                    String xkd  = tbljual.getValueAt(i,0).toString();
                    String xhrg = tbljual.getValueAt(i,2).toString();
                    String xjml = tbljual.getValueAt(i,3).toString();
    
                    String zsql="insert into djual values('"+xiddjual+"','"+xnojual+"','"+xkd+"','"+xhrg+"','"+xjml+"')";
                    stm.executeUpdate(zsql);
                }
                //Con.close();
                JOptionPane.showMessageDialog(null,"Transaksi tersimpan sukses");
                setTombol(false);
                txtnojual.setText("");
                txtnm_brg.setText("");
                txtharga.setText("0");
                txtjumlah.setText("0");
                txttot.setText("0");
                txttotal.setText("0");
                txtbayar.setText("0");
                txtkembali.setText("0");
                txtshowharga.setText("0");
                tbljual.clearSelection();
                tableModel.removeRow(row);
            }
            catch(SQLException e)
            {
                System.out.println("Error : "+e);
                JOptionPane.showMessageDialog(null,"Transaksi gagal tersimpan");
                setTombol(false);
                txtnojual.setText("");
                txtnm_brg.setText("");
                txtharga.setText("0");
                txtjumlah.setText("0");
                txttot.setText("0");
                txttotal.setText("0");
                txtbayar.setText("0");
                txtkembali.setText("0");
                txtshowharga.setText("0");
                tbljual.clearSelection();
                tableModel.removeRow(row);
            }
        }                                        
    
        private void bthapusitemActionPerformed(java.awt.event.ActionEvent evt) {                                            
    tableModel.removeRow(row);
            total_harga();
            // TODO add your handling code here:
        }                                           
    
        private void txttotActionPerformed(java.awt.event.ActionEvent evt) {                                       
     hitung_jual();        // TODO add your handling code here:
        }                                      
    
        private void txthargaActionPerformed(java.awt.event.ActionEvent evt) {                                         
            // TODO add your handling code here:
        }                                        
    
        private void txtbayarActionPerformed(java.awt.event.ActionEvent evt) {                                         
         double xtot,xhrg,xjml;
        xhrg=Double.parseDouble(txttotal.getText());
        xjml=Double.parseDouble(txtbayar.getText());
        xtot=xjml-xhrg;
        String xtotal=Double.toString(xtot);
        txtkembali.setText(xtotal);   // TODO add your handling code here:
        }                                        
    
        private void txttotalKeyReleased(java.awt.event.KeyEvent evt) {                                     
    if (evt.getKeyCode() == 10){
         txtbayar.requestFocus();}
             // TODO add your handling code here:
        }                                    
    
        private void txtbayarKeyReleased(java.awt.event.KeyEvent evt) {                                     
    if (evt.getKeyCode() == 10){
         txtkembali.requestFocus();}
    
             // TODO add your handling code here:
        }                                    
    
        private void txtkembaliActionPerformed(java.awt.event.ActionEvent evt) {                                           
                // TODO add your handling code here:
        }                                          
    
        private void txtkembaliKeyReleased(java.awt.event.KeyEvent evt) {                                       
            // TODO add your handling code here:
        }                                      
    
        private void txtnojualActionPerformed(java.awt.event.ActionEvent evt) {                                          
        int no,x,y;
        x=00000000;
        y=1;
        no=x+y;
        String nojual=Integer.toString(no);
        txtnojual.setText(nojual);// TODO add your handling code here:
        }                                         
    
        private void txtjumlahActionPerformed(java.awt.event.ActionEvent evt) {                                          
            double xtot,xhrg,xjml;
            xhrg=Double.parseDouble(txtharga.getText());
            xjml=Double.parseDouble(txtjumlah.getText());
            xtot=xjml*xhrg;
            String xsubtotal=Double.toString(xtot);
            txttot.setText(xsubtotal);
        }                                         
    
        private void txttotKeyReleased(java.awt.event.KeyEvent evt) {                                   
            if (evt.getKeyCode() == 10){
                txttot.requestFocus();}
        }                                  
    
        private void tbljualAncestorAdded(javax.swing.event.AncestorEvent evt) {                                      
            // TODO add your handling code here:
        }                                     
    
        private void tbljualMouseClicked(java.awt.event.MouseEvent evt) {                                     
            if (evt.getClickCount() ==1){
                // tampil();
            }
            // TODO add your handling code here:
        }                                    
     
        public static void main(String args[]) {
           
            java.awt.EventQueue.invokeLater(new Runnable() {
    
                @Override
                public void run() {
                    new FormTransaksi().setVisible(true);
                }
            });
        }
        // Variables declaration - do not modify                     
        private javax.swing.JLabel Total;
        private javax.swing.JButton bthapusitem;
        private javax.swing.JButton btkeluar;
        private javax.swing.JButton btsimpan;
        private javax.swing.JButton btsimpanitem;
        private javax.swing.JButton bttambah;
        private javax.swing.JComboBox cmbkdbrg;
        private javax.swing.JLabel jLabel1;
        private javax.swing.JLabel jLabel10;
        private javax.swing.JLabel jLabel11;
        private javax.swing.JLabel jLabel12;
        private javax.swing.JLabel jLabel13;
        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.JPanel jPanel1;
        private javax.swing.JPanel jPanel2;
        private javax.swing.JPanel jPanel3;
        private javax.swing.JPanel jPanel4;
        private javax.swing.JPanel jPanel5;
        private javax.swing.JPanel jPanel6;
        private javax.swing.JScrollPane jScrollPane1;
        private javax.swing.JTable tbljual;
        private javax.swing.JTextField txtbayar;
        private javax.swing.JTextField txtharga;
        private javax.swing.JTextField txtjumlah;
        private javax.swing.JTextField txtkembali;
        private javax.swing.JTextField txtnm_brg;
        private javax.swing.JTextField txtnojual;
        private javax.swing.JLabel txtshowharga;
        private javax.swing.JSpinner txttanggal;
        private javax.swing.JTextField txttot;
        private javax.swing.JTextField txttotal;
        // End of variables declaration                   
    
        private void aktif(boolean x) {
          txtnojual.setEditable(x);
          txttanggal.setEnabled(x);
          cmbkdbrg.setEnabled(x);
          txtnm_brg.setEnabled(x);
          txtjumlah.setEditable(x);
          txtharga.setEnabled(x);      
          txttotal.setEnabled(x);
        }
    
        private void setTombol(boolean t) {
        bttambah.setEnabled(t);
         btsimpan.setEnabled(t); 
         btsimpanitem.setEnabled(t);
         bthapusitem.setEnabled(t);
        }
    
        private void open_db() {
            try {
                Class.forName("com.mysql.jdbc.Driver");
                Con = (Connection) DriverManager.getConnection("jdbc:mysql://localhost:3306/db_transaksi","root","");
                stm = (Statement) Con.createStatement();
    
            }catch (ClassNotFoundException | SQLException e){
                JOptionPane.showMessageDialog(null,"Koneksi gagal");
                System.out.println(e.getMessage());
            }
        }
    
        private void inisialisasi_tabel() {
            tbljual.setModel(tableModel);
        }
    
        private void hitung_jual() {
            double xtot,xhrg;
            int xjml;
            xhrg=Double.parseDouble(txtharga.getText());
            xjml=Integer.parseInt(txtjumlah.getText());
            xtot=xhrg*xjml;
            String xtotal=Double.toString(xtot);
            txttot.setText(xtotal);
            total=total+xtot;
            txttotal.setText(Double.toString(total));
            txtshowharga.setText(Double.toString(total));    
        }
    
       
    
        private void isi_combobrg() {
            try{
            open_db();
            String sql = "Select * from tblbrg";
            ResultSet rs = stm.executeQuery(sql);
            while (rs.next())
            {
            cmbkdbrg.addItem(rs.getString(1)); 
            }
            } catch (Exception e){}
        }
    
        private void total_harga() {
            double tothrg = 0;
    int jumrec = tbljual.getRowCount();
    for (int i=0;i
    
  9. Jika sudah jalankan projectnya, klik run file pada FormTransaksi.java dan berikut hasilnya:

  10. Selsesai, Jangan lupa dibagikan agar sobat dipermudah dalam mencari referensi maupun source code secara gratis :-D
  11. Download project diatas pada link di bawah ini:




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