http://www.cnblogs.com/dyllove98/archive/2012/03/05/2461895.html
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");
}
}); }
}