09/01/11 21:42
killer
salve gente... sto provando ad interfacciare una piccola applicazione java con mysql..
pero non mi funziona perche ? sbaglio qualcosa °?
package test;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
public class Database {
private String nameDB;
String user;
private String password;
private Connection conn;
public Database(String nameDB, String user, String password) {
this.nameDB = nameDB;
this.user = user;
this.password = password;
}
public boolean connect() {
try {
String url = "jdbc:localhost/…; + nameDB;
Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver"
conn = DriverManager.getConnection(url, user, password);
return true;
} catch (SQLException ex) {
return false;
} catch (ClassNotFoundException ex) {
return false;
}
}
public void applyQuery(String query) {
}
public void updateQuery(String query) {
}
}
-----------------------------------------------------------------------------
private void jButtonConnectMouseReleased(java.awt.event.MouseEvent evt) {
Database db = new Database("model", "root", "root"
if (db.connect()) {
System.out.println("Connessione al database eseguita !!!"
} else {
System.out.println("Connessione non riuscita!!!"
}
}
non riesce a connettersi..non capisco il motivo...
fatemi sapere presto..grazie
pero non mi funziona perche ? sbaglio qualcosa °?
package test;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
public class Database {
private String nameDB;
String user;
private String password;
private Connection conn;
public Database(String nameDB, String user, String password) {
this.nameDB = nameDB;
this.user = user;
this.password = password;
}
public boolean connect() {
try {
String url = "jdbc:localhost/…; + nameDB;
Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver"
conn = DriverManager.getConnection(url, user, password);
return true;
} catch (SQLException ex) {
return false;
} catch (ClassNotFoundException ex) {
return false;
}
}
public void applyQuery(String query) {
}
public void updateQuery(String query) {
}
}
-----------------------------------------------------------------------------
private void jButtonConnectMouseReleased(java.awt.event.MouseEvent evt) {
Database db = new Database("model", "root", "root"
if (db.connect()) {
System.out.println("Connessione al database eseguita !!!"
} else {
System.out.println("Connessione non riuscita!!!"
}
}
non riesce a connettersi..non capisco il motivo...
fatemi sapere presto..grazie
aaa