Problème d'affichage dans mon code
Bonjour,
Je travaille ds mon application avec les applets le probleme c'est que j'ai écrit un code qui me retourne rien et je ne sais ou est le probleme
Voici mon code
/**
* <p>Title: Scratch Info </p>
* <p>Description: </p>
* <p>Copyright: Copyright (c) 2007</p>
* <p>Company: </p>
* @author not attributable
* @version 1.0
*/
//chargement et instanciation de la classe du Driver
package cdrappli;
import java.sql.Connection;
import java.sql.Driver;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
class TestJDBC{
String sQuery;
TestJDBC(){
this.sQuery="select * from ODS.MV_USER_INFORMATION";
Statement sStat=null;
Connection cCon=null;
try{
Class cDriverOracle=Class.forName("oracle.jdbc.driver.OracleDriver");
Driver dDriverOracle=(java.sql.Driver)cDriverOracle.newInstance();
DriverManager.registerDriver(dDriverOracle);
cCon=DriverManager.getConnection("jdbc:oracle:thin:@10.11.100.193:1521:ORCL","user","mot de passe");
}
catch(Exception e){
System.out.println("--Pbm en chargeant le driver JDBC oracle--");
e.printStackTrace();
}
try{
sStat=cCon.createStatement();
ResultSet rs=sStat.executeQuery(sQuery);
rs.next();
System.out.println("Resultat requete: "+rs.getObject(1));
sStat.close();
}
catch(Exception sqlE){
System.out.println("La Requête n'a pas abouti");
sqlE.printStackTrace();
}
}
public static void main(String[] sArgs){
}
TestJDBC tj=new TestJDBC();
}
public class scratchinfo {
private static final String requete = null;
private static final Statement stmt = null;
public scratchinfo() {
}
{
}
// Execution de la requete
{
ResultSet rs = null;
try {
rs = stmt.executeQuery(requete);
} catch (SQLException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();}
// On lit les données de la requete SELECT ligne par ligne
try {
while (rs.next())
{
try {
System.out.println("USERNAME : "+rs.getString(1));
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace(); }
try {
System.out.println("FULLNAME : "+rs.getString(2));
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
System.out.println("GROUPNAME : "+rs.getString(3));
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace(); }
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}}}
et voici le code de l'applet correspondante
package cdrappli;
import java.applet.Applet;
/**
* <p>Title: </p>
* <p>Description: </p>
* <p>Copyright: Copyright (c) 2007</p>
* <p>Company: </p>
* @author not attributable
* @version 1.0
*/
public class Applet1 extends Applet {
/**
*
*/
private static final long serialVersionUID = 1L;
private boolean isStandalone = false;
String var0;
//Get a parameter value
public String getParameter(String key, String def) {
return isStandalone ? System.getProperty(key, def) :
(getParameter(key) != null ? getParameter(key) : def);
}
//Construct the applet
public Applet1() {
}
//Initialize the applet
public void init() {
try {
var0 = this.getParameter("param0", "");
}
catch(Exception e) {
e.printStackTrace();
}
try {
jbInit();
}
catch(Exception e) {
e.printStackTrace();
}
}
//Component initialization
private void jbInit() throws Exception {
}
//Get Applet information
public String getAppletInfo() {
return "Applet Information";
}
//Get parameter info
public String[][] getParameterInfo() {
String[][] pinfo =
{
{"param0", "String", ""},
};
return pinfo;
}
}
Merci pour votre aide
