这是另一种选择。另请参阅如何在 Swing 组件中使用 HTML。
import java.awt.EventQueue;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.io.File;
import javax.swing.AbstractAction;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
/**
* @see http://stackoverflow.com/a/10067256/230513
* @see http://stackoverflow.com/a/7454691/230513
*/
public class Pathfinder extends JPanel {
private static final int TEXT_SIZE = 32;
private JTextField srcField = new JTextField(TEXT_SIZE);
private JTextField dstField = new JTextField(TEXT_SIZE);
private JTextField valueField1 = new JTextField(TEXT_SIZE);
private JTextField valueField2 = new JTextField(TEXT_SIZE);
private String srcPath, dstPath, value1, value2;
public Pathfinder() {
super(new GridLayout(0, 1));
this.add(createPathPanel("Source Directory", srcField));
this.add(createPathPanel("Target Directory", dstField));
this.add(createFieldPanel("Some Value:", valueField1));
this.add(createFieldPanel("Another Value:", valueField2));
JPanel submitPanel = new JPanel();
submitPanel.add(new JButton(new AbstractAction("Submit") {
@Override
public void actionPerformed(ActionEvent e) {
srcPath = srcField.getText();
dstPath = dstField.getText();
value1 = valueField1.getText();
value2 = valueField2.getText();
process();
}
}));
this.add(submitPanel);
}
private void process() {
// see ProcessBuilder http://stackoverflow.com/questions/5740390
System.out.println(srcPath);
System.out.println(dstPath);
System.out.println(value1);
System.out.println(value2);
}
private JPanel createPathPanel(String name, final JTextField jtf) {
JPanel panel = new JPanel(new FlowLayout(FlowLayout.TRAILING));
panel.add(new JButton(new AbstractAction(name) {
@Override
public void actionPerformed(ActionEvent e) {
JFileChooser jfc = new JFileChooser(
new File(System.getProperty("user.dir")));
jfc.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
int result = jfc.showOpenDialog(Pathfinder.this);
if (result == JFileChooser.APPROVE_OPTION) {
jtf.setText(jfc.getSelectedFile().getPath());
}
}
}));
panel.add(jtf);
return panel;
}
private JPanel createFieldPanel(String name, JTextField jtf) {
JPanel panel = new JPanel(new FlowLayout(FlowLayout.TRAILING));
panel.add(new JLabel(name));
panel.add(jtf);
return panel;
}
private void display() {
JFrame f = new JFrame("Pathfinder");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.add(this);
f.pack();
f.setLocationRelativeTo(null);
f.setVisible(true);
}
public static void main(final String[] args) {
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
Pathfinder pf = new Pathfinder();
if (args.length > 0) {
pf.srcPath = args[0];
pf.dstPath = args[1];
pf.process();
} else {
pf.display();
}
}
});
}
}