Advertisement
Guest User

Untitled

a guest
Nov 16th, 2018
102
0
Never
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
text 2.50 KB | None | 0 0
  1. package modelo;
  2.  
  3. import java.util.ArrayList;
  4.  
  5. import java.sql.*;
  6.  
  7. public class DB {
  8.  
  9. Connection conexion;
  10.  
  11. Statement statement;
  12.  
  13. public DB(){
  14.  
  15. try{
  16.  
  17. Class.forName("com.mysql.jdbc.Driver");
  18.  
  19. conexion = DriverManager.getConnection(
  20.  
  21. "jdbc:mysql://localhost/videoclub","root","");
  22.  
  23. statement = conexion.createStatement();
  24.  
  25. } catch(Exception e){ System.err.println(e); }
  26.  
  27. }
  28.  
  29. public void agregar(Socio socio){
  30.  
  31. try{
  32.  
  33. String sql = "Insert into socios(documento,nombre)"
  34.  
  35. + " values ('%documento','%nombre')";
  36.  
  37. sql = sql.replace("%nombre", socio.getNombre());
  38.  
  39. sql = sql.replace("%documento",socio.getDocumento());
  40.  
  41. System.out.println(sql);
  42.  
  43. statement.execute(sql);
  44.  
  45. } catch(Exception e){ System.err.println(e); }
  46.  
  47. }
  48.  
  49. public void eliminar(int codigo){
  50.  
  51. try{
  52.  
  53. String sql =
  54.  
  55. "delete from socios where codigo = '%codigo'";
  56.  
  57. sql = sql.replace("%codigo",""+codigo);
  58.  
  59. System.out.println(sql);
  60.  
  61. statement.execute(sql);
  62.  
  63. } catch(Exception e){ System.err.println(e); }
  64.  
  65. }
  66.  
  67. public void modificar(Socio socio){
  68.  
  69. try{
  70.  
  71. String sql = "update socios"
  72.  
  73. + " set documento = '%documento',"
  74.  
  75. + " nombre = '%nombre' "
  76.  
  77. + " where codigo = '%codigo'";
  78.  
  79. sql = sql.replace("%nombre", socio.getNombre());
  80.  
  81. sql = sql.replace("%documento",socio.getDocumento());
  82.  
  83. sql = sql.replace("%codigo",""+socio.getCodigo());
  84.  
  85. System.out.println(sql);
  86.  
  87. statement.execute(sql);
  88.  
  89. } catch(Exception e){ System.err.println(e); }
  90.  
  91. }
  92.  
  93. public ArrayList<Socio> getSocios(){
  94.  
  95. ArrayList<Socio> lista = new ArrayList<Socio>();
  96.  
  97. try{
  98.  
  99. ResultSet res =
  100.  
  101. statement.executeQuery("select * from socios");
  102.  
  103. while (res.next()){
  104.  
  105. Socio socio = new Socio(
  106.  
  107. res.getInt("codigo"),
  108.  
  109. res.getString("documento"),
  110.  
  111. res.getString("nombre"),
  112.  
  113. res.getString("domicilio")
  114.  
  115. );
  116.  
  117. lista.add(socio);
  118.  
  119. }
  120.  
  121. } catch(Exception e){ System.err.println(e); }
  122.  
  123. return lista;
  124.  
  125. }
  126.  
  127. }
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement