Java文件选择对话框

 

JFileChooser jf = new JFileChooser(“Title...”); jf.setDialogTitle("Chose..."); int result = jf.showOpenDialog(MainFrame.this); jf.setVisible(true); File selectedFile = null; if (result == JFileChooser.APPROVE_OPTION) {     System.out.println("OK button is pushed.");     selectedFile = jf.getSelectedFile();     if (selectedFile.exists()) {         System.out.println("Yes! You have selected the right file.");     } else {         System.out.println("No! You did not select the right file.");     } } else if (result == JFileChooser.CANCEL_OPTION) {     System.out.println("Cancel button is pushed."); } else if (result == JFileChooser.ERROR_OPTION) {     System.err.println("Error when select file."); }