JFileChooser | JFileChooser

JFileChooser-LMLPHP
http://www.cnblogs.com/dyllove98/archive/2012/03/05/2461895.html
JFileChooser-LMLPHP
package swing.choose;

import java.awt.FlowLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.File;

import javax.swing.JButton;

import javax.swing.JFileChooser;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.filechooser.FileFilter;

import javax.swing.filechooser.FileNameExtensionFilter;

public class JFileChooseDemo extends JFrame {

    private static final long serialVersionUID = 1L;

    private JFileChooser fileChooser = new JFileChooser();;

    public JFileChooseDemo() {

        JButton button = new JButton("Click");

        button.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                int result = fileChooser.showOpenDialog(JFileChooseDemo.this);

                if (result == JFileChooser.CANCEL_OPTION) {

                    return;

                }

                File chooseFile = fileChooser.getSelectedFile();

                add(new JLabel("<html><font color=blue>" + chooseFile.getAbsolutePath()));

                validate();

            }

        });

        this.add(button);

        this.setLayout(new FlowLayout());

        this.setSize(400, 200);

        this.setDefaultCloseOperation(DISPOSE_ON_CLOSE);

        this.setLocationRelativeTo(null);

        this.setVisible(true);

    }

    public static void main(String[] args) {

        JFileChooseDemo demo = new JFileChooseDemo();

        demo.fileChooser.setSelectedFile(new File("test.xls"));

        // 设置文件过滤器

//        demo.fileChooser.setFileFilter(new FileNameExtensionFilter("Description", "gif", "jpg", "bmp"));

        demo.fileChooser.setFileFilter(new FileFilter() {

            @Override

            public String getDescription() {

                return "MS-Excel 2003 文件(.xls)|快捷方式(.lnk)";

            }

            @Override

            public boolean accept(File f) {

                if (f.isDirectory()) {

                    return true;

                }

                return f.getName().toLowerCase().endsWith("") || f.getName().toLowerCase().endsWith(".lnk");

            }

        });

    }

}