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Home >Java Servlet > Test connessione ad Oracle
import java.io.*; import java.sql.*; import javax.servlet.*; import javax.servlet.http.*; import java.text.SimpleDateFormat; import java.util.Date; import oracle.jdbc.driver.*; /** * @author magnani * Verifica la connesione con oracle 8.1 via oracle.jdbc.driver.* * utilizza l'utente Scott e la relativa tabella EMP * In fase di compilazione includere il classpath c:\oracle\ora81\jdbc\lib\classes111.zip contenente i riferimenti per il driver */ public class TestOracle extends HttpServlet { public void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException, IDriver OException { try{ response.setContentType("text/html"); PrintWriter out = response.getWriter(); out.println(""); out.println(""); out.println("Dati richiesti via Servlet"); Class.forName("oracle.jdbc.driver.OracleDriver"); // Personalizzare i parametri per la connessione IP della macchina e nome del serviio (TNS) Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@127.0.0.1:1521:myoracleconn","SCOTT","TIGER"); // Crea lo statement, l'istanza Statement stmt = conn.createStatement(); // Esegue la query e crea il Resultset ResultSet RS = stmt.executeQuery("SELECT DESCRIZIONE FROM PRODOTTI"); int i = 0; // If there are rows if (RS != null) { while(RS.next()){ out.println(RS.getString("DESCRIZIONE"));} } stmt.close(); conn.close(); out.println(""); // Due eccezioni, la prima se non viene trovata una classe // la seconda circa i parametri SQL } catch(ClassNotFoundException e){ response.setContentType("text/html"); PrintWriter out = response.getWriter(); out.println("Error: "+e); } catch(SQLException s){ response.setContentType("text/html"); PrintWriter out = response.getWriter(); out.println("Error: "+s.getSQLState()+","+s.getMessage()+" ("+s+")"); } }} Verifica la connesione con oracle 8.1 via oracle.jdbc.driver. utilizza l'utente Scott e la relativa tabella EMP In fase di compilazione includere il classpath c:\oracle\ora81\jdbc\lib\classes111.zip contenente i riferimenti per il driver Warning: include(ads/text468x15.html): failed to open stream: No such file or directory in D:\inetpub\webs\fishscriptcom\documents\view_document.php on line 131 Warning: include(): Failed opening 'ads/text468x15.html' for inclusion (include_path='.;C:\php\pear') in D:\inetpub\webs\fishscriptcom\documents\view_document.php on line 131 Tutorial ![]() ![]() ![]() ![]() ![]() ![]() ![]() Script ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Comandi ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Cerca A good scientist is a person with original ideas.
A good engineer is a person who makes a design that works with as few original ideas as possible. There are no prima donnas in engineering. Freeman Dyson A good scientist is a person with original ideas.
A good engineer is a person who makes a design that works with as few original ideas as possible. There are no prima donnas in engineering. Freeman Dyson
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Nicoleta e Marco Magnani tutorial, examples, courses, esempi, corsi, esercizi, appunti vari Dottoressa Nicoleta Dragu Formatrice Docente Insegnante Mediatrice Culturale Dott. Marco Magnani Universita La Sapienza Roma Master Computer Science Hunter College New York , Data Base Administrator DBA oracle System architect |