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| package day1;
import java.sql.*;
import java.util.*;
import javax.swing.*;
import javax.swing.table.*;
import com.sun.jndi.ldap.EntryChangeResponseControl;
public class AccessConnect1 extends JFrame {
private JPanel jContentPane = null;
private JComboBox jComboBox = null;
Vector dataCombo = new Vector();
private Vector columnNames = new Vector();
Vector columnData = new Vector();
private JScrollPane jScrollPane = null;
private JTable jTable = null;
public static void main(String[] args) {
AccessConnect1 cn = new AccessConnect1();
}
/**
* This is the default constructor
*/
public AccessConnect1() {
super();
initialize();
getDataListCombo();
getDataList();
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setVisible(true);
}
/**
* This method initializes this
*
* @return void
*/
private void initialize() {
this.setSize(432, 200);
this.setContentPane(getJContentPane());
}
/**
* This method initializes jContentPane
*
* @return javax.swing.JPanel
*/
private JPanel getJContentPane() {
if (jContentPane == null) {
jContentPane = new JPanel();
jContentPane.setLayout(null);
jContentPane.add(getJComboBox(), null);
jContentPane.add(getJScrollPane(), null);
}
return jContentPane;
}
public void getDataListCombo() {
//item = (String) jComboBox.getSelectedItem();
int countRows = 0;
//System.out.println(countRows + "----" + item);
String data = "jdbc:odbc:WorldEnergy";
try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection conn = DriverManager.getConnection(data, "", "");
Statement st = conn.createStatement();
ResultSet rec =
st.executeQuery("SELECT DISTINCT Country FROM Coal ORDER BY Country");
while (rec.next()) {
countRows++;
dataCombo.addElement(rec.getObject(1));
}
st.close();
} catch (SQLException s) {
System.out.println("SQL Error: "+ s.toString()+ " " + s.getErrorCode()
+ " "
+ s.getSQLState());
} catch (Exception e) {
System.out.println("Error: " + e.toString() + e.getMessage());
}
getJComboBox();
}
public void getDataList() {
//item = (String) jComboBox.getSelectedItem();
int countRows = 0;
//System.out.println(countRows + "----" + item);
String data = "jdbc:odbc:WorldEnergy";
try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection conn = DriverManager.getConnection(data, "", "");
Statement st = conn.createStatement();
ResultSet rec =
st.executeQuery("SELECT FIPS, Country, Year FROM Coal " +
//"WHERE " + "(Country='" + item + "') " +
"ORDER BY Country");
ResultSetMetaData md = rec.getMetaData();
int columns = md.getColumnCount();
Vector columnNames = new Vector(columns);
for (int i = 1; i <= columns; i++) {
columnNames.addElement(md.getColumnName(i).toString());
}
while (rec.next()) {
countRows++;
Vector row = new Vector(columns);
for (int i = 1; i <= columns; i++) {
row.addElement(rec.getObject((i)));
}
columnData.addElement(row);
}
st.close();
} catch (SQLException s) {
System.out.println("SQL Error: "+ s.toString()+ " " + s.getErrorCode()
+ " "
+ s.getSQLState());
} catch (Exception e) {
System.out.println("Error: " + e.toString() + e.getMessage());
}
getJTable();
}
/**
* This method initializes jComboBox
*
* @return javax.swing.JComboBox
*/
private JComboBox getJComboBox() {
if(jComboBox == null) {
jComboBox = new JComboBox();
final DefaultComboBoxModel model = new DefaultComboBoxModel(dataCombo);
jComboBox = new JComboBox(model);
jComboBox.setBounds(185, 17, 223, 25);
jComboBox.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent e) {
if (jComboBox.getSelectedItem().equals("USA")){
//getDataList();
System.out.println(columnData.get(2));
}
}
});
}
return jComboBox;
}
/**
* This method initializes jTable
*
* @return javax.swing.JTable
*/
private JTable getJTable() {
//DefaultTableModel td = new DefaultTableModel(columnData);
Vector cl = new Vector();
cl.addElement("Column AFC");
cl.addElement("Column Country");
cl.addElement("Column Year");
if(jTable == null) {
jTable = new JTable();
//jTable = new JTable(columnData,columnNames);
jTable = new JTable(columnData,cl);
}
return jTable;
}
/**
* This method initializes jScrollPane
*
* @return javax.swing.JScrollPane
*/
private JScrollPane getJScrollPane() {
//getDataList();
if(jScrollPane == null) {
jScrollPane = new JScrollPane();
jScrollPane.setBounds(15, 61, 394, 99);
jScrollPane.setViewportView(getJTable());
repaint();
}
//jScrollPane.setViewportView(getJTable());
return jScrollPane;
}
} // @jve:visual-info decl-index=0 visual-constraint="12,4" |
JTable n'affiche pas le vecteur entete.
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