SpringLayout的使用

SpringLayout的使用

import java.awt.*;
import javax.swing.*;
public class SpringFormTest {
  public static void main(String args[]) {
    JFrame frame = new JFrame("Spring Form");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    Container contentPane = frame.getContentPane();
    SpringLayout layout = new SpringLayout();
    contentPane.setLayout(layout);
    Component left = new JLabel("Left");
    Component right = new JTextField(15);
    contentPane.add(left);
    contentPane.add(right);
    layout.putConstraint(SpringLayout.WEST,  left, 10,
      SpringLayout.WEST,  contentPane);
    layout.putConstraint(SpringLayout.NORTH, left, 25,
      SpringLayout.NORTH, contentPane);
    layout.putConstraint(SpringLayout.NORTH, right, 25,
      SpringLayout.NORTH, contentPane);
    layout.putConstraint(SpringLayout.WEST, right, 20,
      SpringLayout.EAST, left);
    frame.setSize(300, 100);
    frame.show();
  }
}