Java codepublic class DemoJFileChooser extends JPanel
implements ActionListener {
JButton go
JFileChooser chooser
String choosertitle
public DemoJFileChooser() {
go = new JButton("Do it")
go.addActionListener(this)
add(go)
}
public void actionPerformed(ActionEvent e) {
int result
chooser = new JFileChooser()
chooser.setCurrentDirectory(new java.io.File("."))
chooser.setDialogTitle(choosertitle)
chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY)
//
// disable the "All files" option.
//
chooser.setAcceptAllFileFilterUsed(false)
//
if (chooser.showOpenDialog(this) == JFileChooser.APPROVE_OPTION) {
System.out.println("getCurrentDirectory(): "
+ chooser.getCurrentDirectory())
System.out.println("getSelectedFile() : "
+ chooser.getSelectedFile())
}
else {
System.out.println("No Selection ")
}
}
public Dimension getPreferredSize(){
return new Dimension(200, 200)
}
public static void main(String s[]) {
JFrame frame = new JFrame("")
DemoJFileChooser panel = new DemoJFileChooser()
frame.addWindowListener(
new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0)
}
}
)
frame.getContentPane().add(panel,"Center")
frame.setSize(panel.getPreferredSize())
frame.setVisible(true)
}
}
JFileChooser 就行， 参考以下帮助文档JFileChooser chooser = new JFileChooser()FileNameExtensionFilter filter = new FileNameExtensionFilter(
"JPG &GIF Images", "jpg", "gif")
chooser.setFileFilter(filter)
int returnVal = chooser.showOpenDialog(parent)
if(returnVal == JFileChooser.APPROVE_OPTION) {
System.out.println("You chose to open this file: " +
chooser.getSelectedFile().getName())
}
