javaFX文件和文件夹选择器

        DirectoryChooser file=new DirectoryChooser();
        file.setTitle("Choose the local dirctionary for FTP");
        file.setInitialDirectory(new File(local_rootText.getText()));
        Stage stage = (Stage) local_changeDirButton.getScene().getWindow();
        File newFolder = file.showDialog(stage);//这个file就是选择的文件夹了

FileChooser fileChooser = new FileChooser();
fileChooser.setTitle("Open Resource File");
fileChooser.showOpenDialog(stage);