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FileDialogÖ»ÄÜÑ¡ÔñÎļþ¶ø²»ÄÜÑ¡ÔñÎļþ¼Ð¡£JFileChooserÓÖÌ«´ó£¬²»Ì«ºÃ¿´£¬¹Äµ·Á˺ÃÒ»»áÖÕÓÚ½â¾öÁË¡£
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final JButton choose=new JButton("Ñ¡Ôñ´æ´¢ÎļþĿ¼");
final JTextField dir=new JTextField();

final JFileChooser chooser=new JFileChooser();
chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);


choose.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent event){
int returnValue=chooser.showOpenDialog(SearchFrame.this);
if (returnValue==JFileChooser.APPROVE_OPTION) {
File file=chooser.getSelectedFile();
dir.setText(file.getAbsolutePath());
path=file.getAbsolutePath();
}else {
JOptionPane.showMessageDialog(null, "ÇëÊÖ¶¯ÊäÈëĿ¼");
return;
}

}


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