Bir onay kutusu tıklatıldığında JTable içeriğiyle veritabanı güncelleştirin

Question

İlgili satırın onay kutularını tıklattığımda veritabanımı J Tablosunun hücre değerleri ile güncelleştirmek istiyorum. İşte benim kodum. Öyle JTable ait TableModel bir TableModelListener ekle çözeltisini

package Inhospmgmt; 

import java.awt.event.ActionEvent; 
import java.awt.event.ActionListener; 

import javax.swing.JFrame; 

import java.awt.Toolkit; 
import java.awt.Color; 

import javax.swing.JLabel; 
import javax.swing.SwingConstants; 

import java.awt.Font; 
import java.awt.SystemColor; 
import java.sql.Connection; 
import java.sql.PreparedStatement; 
import java.sql.ResultSet; 
import java.sql.SQLException; 

import javax.swing.JScrollPane; 
import javax.swing.JTable; 
import javax.swing.JTextField; 
import javax.swing.JButton; 
import javax.swing.ImageIcon; 
import javax.swing.JSeparator; 
import javax.swing.JPanel; 
import javax.swing.RowSorter; 
import javax.swing.border.MatteBorder; 
import javax.swing.border.SoftBevelBorder; 
import javax.swing.border.BevelBorder; 
import javax.swing.table.DefaultTableModel; 
import javax.swing.table.TableModel; 
import javax.swing.table.TableRowSorter; 
import javax.swing.JCheckBox; 

public class investigation extends JFrame implements ActionListener 
{ 

    /** 
    * 
    */ 
    private static final long serialVersionUID = 2930370058483683162L; 
    static JFrame fm1=new JFrame(); 
    int cnt = 0, r=0,c=0; 
    String columns[]={"SNO", "INVESTIGATION", "PRICE(Rs.)", "SELECTION"}; 
    String data[][]=new String[cnt][3]; 
    private JTextField textField; 
    private JTextField textField_1; 
    private JTextField textField_2; 
    private JTextField textField_3; 
    private JTextField textField_4; 
    private JTextField textField_5; 
    private JTextField textField_6; 
    static JTable table=new JTable(); 
    static JScrollPane jsp1; 
    DefaultTableModel tabModel ; 

    investigation() 
    { 
     fm1.getContentPane().setBackground(Color.WHITE); 
     fm1.setTitle("Social Care Hospital/Investigation"); 
     fm1.setIconImage(Toolkit.getDefaultToolkit().getImage(investigation.class.getResource("/Inhospmgmt/img/icpic.jpg"))); 
     fm1.getContentPane().setLayout(null); 


     JLabel lblInvestigation = new JLabel("Investigations"); 
     lblInvestigation.setForeground(SystemColor.textHighlight); 
     lblInvestigation.setFont(new Font("Times New Roman", Font.BOLD, 30)); 
     lblInvestigation.setHorizontalAlignment(SwingConstants.CENTER); 
     lblInvestigation.setBounds(557, 23, 229, 46); 
     fm1.getContentPane().add(lblInvestigation); 

     JLabel label = new JLabel("PID No."); 
     label.setHorizontalAlignment(SwingConstants.CENTER); 
     label.setForeground(SystemColor.textHighlight); 
     label.setFont(new Font("Tahoma", Font.BOLD, 20)); 
     label.setBounds(10, 83, 79, 28); 
     fm1.getContentPane().add(label); 

     textField = new JTextField(); 
     textField.setColumns(10); 
     textField.setBackground(Color.WHITE); 
     textField.setBounds(114, 78, 114, 33); 
     fm1.getContentPane().add(textField); 

     JButton button = new JButton(""); 
     button.setIcon(new ImageIcon(investigation.class.getResource("/Inhospmgmt/img/unnamed.png"))); 
     button.setFocusPainted(false); 
     button.setContentAreaFilled(false); 
     button.setBackground(Color.WHITE); 
     button.setBounds(227, 78, 33, 33); 
     fm1.getContentPane().add(button); 

     JLabel label_1 = new JLabel("Patient Name :"); 
     label_1.setFont(new Font("Times New Roman", Font.PLAIN, 15)); 
     label_1.setBounds(10, 144, 99, 22); 
     fm1.getContentPane().add(label_1); 

     textField_1 = new JTextField(); 
     textField_1.setEnabled(false); 
     textField_1.setDisabledTextColor(Color.BLUE); 
     textField_1.setColumns(10); 
     textField_1.setBounds(137, 145, 226, 22); 
     fm1.getContentPane().add(textField_1); 

     JLabel label_2 = new JLabel("Patient Age :"); 
     label_2.setFont(new Font("Times New Roman", Font.PLAIN, 15)); 
     label_2.setBounds(411, 144, 90, 22); 
     fm1.getContentPane().add(label_2); 

     textField_2 = new JTextField(); 
     textField_2.setEnabled(false); 
     textField_2.setDisabledTextColor(Color.BLUE); 
     textField_2.setColumns(10); 
     textField_2.setBounds(499, 145, 79, 22); 
     fm1.getContentPane().add(textField_2); 

     JLabel lblDepartment = new JLabel("Department :"); 
     lblDepartment.setFont(new Font("Times New Roman", Font.PLAIN, 15)); 
     lblDepartment.setBounds(633, 144, 99, 22); 
     fm1.getContentPane().add(lblDepartment); 

     textField_3 = new JTextField(); 
     textField_3.setEnabled(false); 
     textField_3.setDisabledTextColor(Color.BLUE); 
     textField_3.setColumns(10); 
     textField_3.setBounds(725, 145, 249, 22); 
     fm1.getContentPane().add(textField_3); 

     JLabel lblWard = new JLabel("Ward :"); 
     lblWard.setFont(new Font("Times New Roman", Font.PLAIN, 15)); 
     lblWard.setBounds(1018, 144, 90, 22); 
     fm1.getContentPane().add(lblWard); 

     textField_4 = new JTextField(); 
     textField_4.setEnabled(false); 
     textField_4.setDisabledTextColor(Color.BLUE); 
     textField_4.setColumns(10); 
     textField_4.setBounds(1082, 145, 165, 22); 
     fm1.getContentPane().add(textField_4); 

     JLabel lblBedNo = new JLabel("Bed No :"); 
     lblBedNo.setFont(new Font("Times New Roman", Font.PLAIN, 15)); 
     lblBedNo.setBounds(411, 192, 69, 22); 
     fm1.getContentPane().add(lblBedNo); 

     textField_5 = new JTextField(); 
     textField_5.setEnabled(false); 
     textField_5.setDisabledTextColor(Color.BLUE); 
     textField_5.setColumns(10); 
     textField_5.setBounds(499, 193, 79, 22); 
     fm1.getContentPane().add(textField_5); 

     JLabel lblConsultingDoctor = new JLabel("Consulting Doctor :"); 
     lblConsultingDoctor.setFont(new Font("Times New Roman", Font.PLAIN, 15)); 
     lblConsultingDoctor.setBounds(10, 192, 143, 22); 
     fm1.getContentPane().add(lblConsultingDoctor); 

     textField_6 = new JTextField(); 
     textField_6.setEnabled(false); 
     textField_6.setDisabledTextColor(Color.BLUE); 
     textField_6.setColumns(10); 
     textField_6.setBounds(138, 193, 226, 22); 
     fm1.getContentPane().add(textField_6); 


     JSeparator separator = new JSeparator(); 
     separator.setBounds(0, 243, 1362, 2); 
     fm1.getContentPane().add(separator);  

     table = new JTable(); 
     Connection con = MyConnection.connect(); 
     try 
     { 
      String s ="SELECT SNo,INVESTIGATION,PRICE FROM investigation"; 
      PreparedStatement p =con.prepareStatement(s); 
      ResultSet rs = p.executeQuery(); 
      rs.last(); 
      cnt = rs.getRow(); 
      rs.beforeFirst(); 
      String data[][]=new String[cnt][3]; 

      while(rs.next()) 
      { 
       data[r][c] = String.valueOf(rs.getInt("SNo")); ++c; 
       data[r][c] = rs.getString("INVESTIGATION");++c; 
       data[r][c] = String.valueOf(rs.getInt("PRICE")); ++c; 


       r=r+1; 
       c=0; 
      } 


      table.setModel(new DefaultTableModel(data,columns) 
      { 
       public boolean isCellEditable(int row, int column){ 
         if(column==0 || column==1 || column==2) 
         { 
          return false; 
         } 
         return true; 
        } 

       Class[ ] type=new Class[]{java.lang.String.class , java.lang.String.class ,java.lang.String.class, java.lang.Boolean.class} ; 

      public Class getColumnClass (int columnIndex) 
      { 
       return type [columnIndex] ; 
        } 

      }) ; 


      setDefaultLookAndFeelDecorated(true); 
      table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF); 
      table.setBackground(Color.white); 
      table.setGridColor(Color.magenta); 
      table.getColumnModel().getColumn(0).setPreferredWidth(80); 
      table.getColumnModel().getColumn(1).setPreferredWidth(200); 
      table.getColumnModel().getColumn(2).setPreferredWidth(100); 
      table.getTableHeader().setBackground(Color.pink); 
      table.setRowSelectionAllowed(true); 
      table.getTableHeader().setFont(new Font("SansSerif",Font.BOLD, 15)); 

      jsp1 = new JScrollPane(table, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS); 
      jsp1.setBackground(Color.white); 
      jsp1.setViewportBorder(new MatteBorder(3, 3, 3, 3, (Color) new Color(0, 0, 0))); 
      jsp1.getViewport().setBackground(table.getBackground()); 
      jsp1.setBounds(526, 404, 485, 162); 
      fm1.getContentPane().add(jsp1); 

      fm1.setVisible(true); 
      fm1.setExtendedState(JFrame.MAXIMIZED_BOTH); 

     } 
     catch(SQLException e) 
     { 
      e.printStackTrace(); 
     } 
     finally 
     { 
      try { 
       con.close(); 
       } 
      catch (SQLException e) { 
       // TODO Auto-generated catch block 
       e.printStackTrace(); 
      } 
     } 

    } 



    public static void main(String[] args) 
    { 
     new investigation() ;  

    } 

    @Override 
    public void actionPerformed(ActionEvent e) { 
     // TODO Auto-generated method stub 

    } 
} 

Answer 1

1. lütfen ortaya, J2EE için sadece bir acemi değilim.

2. Onay kutusunu içeren sütun için bir olay oluşturulduğunda, değerin Boole.TRUE olduğundan emin olun. Ardından verileri veritabanınıza kopyalamak için gerekli SQL'i üretirsiniz.

Sen bakabilirsiniz: Bir TableModelListener kullanan bir çalışma örneğin TableModelListener and multiple column validation.