Tema: JFileChooser, Listar los ficheros selecionado
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  #5 (permalink)  
Antiguo 10/12/2014, 05:28
GM_Juanjo
 
Fecha de Ingreso: febrero-2005
Mensajes: 39
Antigüedad: 19 años, 9 meses
Puntos: 1
Respuesta: JFileChooser, Listar los ficheros selecionado
Hice una pequeña prueba con un boton que llama al selector y una etiqueta y funciona todo OK.

Código Java: 
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  1. /*
  2.  * To change this license header, choose License Headers in Project Properties.
  3.  * To change this template file, choose Tools | Templates
  4.  * and open the template in the editor.
  5.  */
  6. package javaapplication14;
  7.  
  8. import java.io.File;
  9. import javafx.stage.FileChooser;
  10. import javax.swing.JFileChooser;
  11. import javax.swing.filechooser.FileNameExtensionFilter;
  12.  
  13. /**
  14.  *
  15.  * @author juanjo
  16.  */
  17. public class NewJFrame extends javax.swing.JFrame {
  18.  
  19.     /**
  20.      * Creates new form NewJFrame
  21.      */
  22.     public NewJFrame() {
  23.         initComponents();
  24.         jLabel1.setText("");
  25.     }
  26.  
  27.     /**
  28.      * This method is called from within the constructor to initialize the form.
  29.      * WARNING: Do NOT modify this code. The content of this method is always
  30.      * regenerated by the Form Editor.
  31.      */
  32.     @SuppressWarnings("unchecked")
  33.     // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
  34.     private void initComponents() {
  35.  
  36.         jLabel1 = new javax.swing.JLabel();
  37.         jButton1 = new javax.swing.JButton();
  38.  
  39.         setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
  40.  
  41.         jLabel1.setText("jLabel1<P>Prueba");
  42.  
  43.         jButton1.setText("jButton1");
  44.         jButton1.addActionListener(new java.awt.event.ActionListener() {
  45.             public void actionPerformed(java.awt.event.ActionEvent evt) {
  46.                 jButton1ActionPerformed(evt);
  47.             }
  48.         });
  49.  
  50.         javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
  51.         getContentPane().setLayout(layout);
  52.         layout.setHorizontalGroup(
  53.             layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
  54.             .addGroup(layout.createSequentialGroup()
  55.                 .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
  56.                     .addGroup(layout.createSequentialGroup()
  57.                         .addGap(22, 22, 22)
  58.                         .addComponent(jLabel1))
  59.                     .addGroup(layout.createSequentialGroup()
  60.                         .addContainerGap()
  61.                         .addComponent(jButton1)))
  62.                 .addContainerGap(288, Short.MAX_VALUE))
  63.         );
  64.         layout.setVerticalGroup(
  65.             layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
  66.             .addGroup(layout.createSequentialGroup()
  67.                 .addGap(21, 21, 21)
  68.                 .addComponent(jLabel1)
  69.                 .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
  70.                 .addComponent(jButton1)
  71.                 .addContainerGap(231, Short.MAX_VALUE))
  72.         );
  73.  
  74.         pack();
  75.     }// </editor-fold>                        
  76.  
  77.     private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         
  78.         // TODO add your handling code here:
  79.         JFileChooser jf= new JFileChooser();
  80.  
  81.         jf.setFileFilter(new FileNameExtensionFilter("todos los archivos *.CSV", "csv","CSV"));
  82.  
  83.         int abrir = jf.showDialog(null, "Abrir");
  84.         if (abrir == JFileChooser.APPROVE_OPTION) {
  85.  
  86.         File archivo = jf.getSelectedFile();
  87. jLabel1.setText(jLabel1.getText()+"<HTML>"+archivo.getName()+"<P>");
  88.     }
  89.     }                                        
  90.  
  91.     /**
  92.      * @param args the command line arguments
  93.      */
  94.     public static void main(String args[]) {
  95.         /* Set the Nimbus look and feel */
  96.         //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
  97.         /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
  98.          * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
  99.          */
  100.         try {
  101.             for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
  102.                 if ("Nimbus".equals(info.getName())) {
  103.                     javax.swing.UIManager.setLookAndFeel(info.getClassName());
  104.                     break;
  105.                 }
  106.             }
  107.         } catch (ClassNotFoundException ex) {
  108.             java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
  109.         } catch (InstantiationException ex) {
  110.             java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
  111.         } catch (IllegalAccessException ex) {
  112.             java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
  113.         } catch (javax.swing.UnsupportedLookAndFeelException ex) {
  114.             java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
  115.         }
  116.         //</editor-fold>
  117.  
  118.         /* Create and display the form */
  119.         java.awt.EventQueue.invokeLater(new Runnable() {
  120.             public void run() {
  121.                 new NewJFrame().setVisible(true);
  122.             }
  123.         });
  124.     }
  125.  
  126.     // Variables declaration - do not modify                     
  127.     private javax.swing.JButton jButton1;
  128.     private javax.swing.JLabel jLabel1;
  129.     // End of variables declaration                   
  130. }