Re: [INTERFACES] a JDBC applet
От | Anil Amarakoon |
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Тема | Re: [INTERFACES] a JDBC applet |
Дата | |
Msg-id | 35A50D98.2E89FFCC@awcoldstream.com обсуждение исходный текст |
Ответ на | a JDBC applet (Cyril FERRAND <cferran2@iutsoph.unice.fr>) |
Список | pgsql-interfaces |
Hi! Postgres 6.3.2 - Redhat 4.2, 5.0, 5.1, (JDK-from blackdown.org) Windoz NT 4.0 & 95 (Sun JDK) Mac (Metrowerk-JDK lite) ===================================================================== Connection conn; Statement stmt; Resultset rest; To get Connection: public void openDir() { try { Class.forName("postgresql.Driver"); conn=DriverManager.getConnection("jdbc:postgresql://liman.awcl.com:5432/adsys","user Name","passwd"); }catch(SQLException sqle) { System.out.println("connection failed"); sqle.printStackTrace(); }catch(ClassNotFoundException cnfe) { //optional System.out.println("Class not found"); cnfe.printStackTrace(); }catch(Exception e) { //optional e.printStackTrace(); } } then query: public void getCusNum() { String query1 = "select cnumber from tcustomer"; vcusNum = new Vector(); try{ stmt = conn.createStatement(); rest = stmt.executeQuery(query1); while (rest.next()) { vcusNum.addElement(new Integer(rest.getInt(1))); } }catch(SQLException sqle) { }catch(Exception e) {} } close the connection: public void closeDirectory() { try{ if(rest != null){ rest.close(); rest = null; } if(stmt != null) { stmt.close(); stmt = null; } if(conn != null) { conn.close(); conn = null; } } catch(SQLException sqle) { sqle.printStackTrace(); } } Cyril FERRAND wrote: > Hello > > I look for an example of a Java applet to communicate with a > postgresql base via JBDC. Because I have a lot of pb with my own one. > A example like basic.java example is ok. > > thanks... > > Cyril
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