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Nov 27th, 2018
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  1. public class clsConecta {
  2.  
  3. private java.sql.Connection con; // driver
  4. private java.sql.Statement st; // conecta con el motor
  5. private java.sql.ResultSet rs; // procesa las consultas
  6.  
  7. public clsConecta() {
  8.  
  9. try {
  10. Class.forName("org.postgresql.Driver"); // Carga el driver
  11.  
  12. System.out.println("Cargo el driver");
  13. } catch (ClassNotFoundException e) {
  14. System.out.println("no se pudo cargar el driver :( ");
  15. }
  16.  
  17. try {
  18. // se conecta con la base de datos
  19. con = DriverManager.getConnection("jdbc:postgresql://127.0.0.1:8080/dbInfo", "postgres", "admin");
  20. // se presenta con la JDBC
  21.  
  22. System.out.println("Se conecto");
  23. } catch (SQLException e) {
  24. System.out.println("no se pudo conectar :'( " + e);
  25. }
  26. }
  27.  
  28. public SQLException insertar(String sql) { // system query language
  29.  
  30. try {
  31.  
  32. System.out.println(sql);
  33. st = getCon().createStatement(); // prepara la conexion
  34. st.execute(sql); // procesa la sql
  35.  
  36. System.out.println("Ejecuto el sql ");
  37. st.close();
  38. return null;
  39.  
  40.  
  41. } catch (SQLException e) {
  42. return e;
  43. }
  44.  
  45.  
  46. }
  47.  
  48. /**
  49. * @return the con
  50. */
  51. public java.sql.Connection getCon() {
  52. return con;
  53. }
  54. }
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