NetBeans වලින් Java Application එකක් සඳහා Login එකක් හදමු.

මේ තියෙන්නේ මගේ Login Form එක සඳහා කරපු coding ...

 

/**

 *
 * @author HansA AmarasekarA
 */
public class Login extends javax.swing.JFrame {

     public Login() {
        initComponents();
        this.setLocationRelativeTo(null);
    }

     private void buttonLoginActionPerformed(java.awt.event.ActionEvent evt) {                                           
        String selectedPerson = null;
        if(radioTransportOfficer.isSelected()){
            selectedPerson = "TransportOfficer";
        }else if(radioTravelGuide.isSelected()){
            selectedPerson = "TravelGuide";
        }
        String userName = textUserName.getText();
        String password = new String(textPassword.getPassword());
        String recievedName=null;
        String recievedPassword=null;
        String fullName=null;
        try{
            ResultSet result = DB_Access.getData("select * from "+selectedPerson+" where username='"+userName+"' and password='"+password+"'");
            if(result.next()){
                recievedName = result.getString(1); //retrieve name of the person
                recievedPassword = result.getString(2);
                fullName = result.getString(3);
            }else{
                JOptionPane.showMessageDialog(this, "No User Found","Error",1);
            }
            if(radioTransportOfficer.isSelected() && recievedName.equals(userName) && recievedPassword.equals(password)){
                Home_TO homeTO = new Home_TO(fullName);
                homeTO.setVisible(true);
                this.dispose();
            }else if(radioTravelGuide.isSelected() && recievedName.equals(userName) && recievedPassword.equals(password)){
                Home_TG homeTG = new Home_TG(fullName,userName);
                homeTG.setVisible(true);
                this.dispose();
            }else{
                JOptionPane.showMessageDialog(this, "Invalid User Name and Password","Error",0);
            }
        }catch (Exception e){
            //JOptionPane.showMessageDialog(this, "No User Found Catch","Error",0);

        }

    }                                          

    private void radioTransportOfficerActionPerformed(java.awt.event.ActionEvent evt) {                                                     
         radioTravelGuide.setSelected(false);
        textUserName.setEditable(true);
        textPassword.setEditable(true);
    }                                                    

    private void radioTravelGuideActionPerformed(java.awt.event.ActionEvent evt) {                                                
        radioTransportOfficer.setSelected(false);
        textUserName.setEditable(true);
        textPassword.setEditable(true);
    }                                               

    private void buttonCancelActionPerformed(java.awt.event.ActionEvent evt) {                                            
        System.exit(0);
    }                        
}