GroupLayout - 如何在调整大小后使布局保持相同的排列

Question

我已经设置了约束，以便我的组件与窗口一起调整大小。我的问题是订单被破坏，因为他们的位置下降。 GroupLayout中是否有与GridBagConstraints.anchor等效的内容？

调整大小之前：

调整大小后：

[编辑] 这是我的代码： [编辑＃2] 这是我可以运行的代码：

import java.awt.Font;

import javax.swing.GroupLayout;
import javax.swing.GroupLayout.Alignment;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.LayoutStyle.ComponentPlacement;
import javax.swing.ListSelectionModel;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableModel;

@SuppressWarnings("serial")
public class ConnectUI extends JPanel {
    private static JTextField textField;
    private static JTable table;

    public static JButton submit;

    /**
     * Create the panel.
     */

    public static void main(String[] args){

        JFrame f = new JFrame();        
        f.setSize(500, 500);
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        f.setContentPane(new ConnectUI());
        f.setVisible(true);

    }

    public ConnectUI() {

        textField = new JTextField();
        textField.setColumns(10);

        JLabel lblAvailable = new JLabel("Available : ");
        lblAvailable.setFont(new Font("Tahoma", Font.PLAIN, 12));

        JLabel lblUsername = new JLabel("Username : ");
        lblUsername.setFont(new Font("Tahoma", Font.PLAIN, 12));

        JScrollPane scrollPane = new JScrollPane();

        submit = new JButton("Submit");

        JLabel lblClient = new JLabel("CLIENT");
        lblClient.setFont(new Font("Tahoma", Font.PLAIN, 12));

        JLabel lblWarning = new JLabel("Username must not exceed 15 characters and a server must be selected");
        lblWarning.setFont(new Font("Tahoma", Font.PLAIN, 12));
        GroupLayout groupLayout = new GroupLayout(this);
        groupLayout.setHorizontalGroup(
            groupLayout.createParallelGroup(Alignment.LEADING)
                .addGroup(groupLayout.createSequentialGroup()
                    .addGroup(groupLayout.createParallelGroup(Alignment.LEADING)
                        .addGroup(groupLayout.createSequentialGroup()
                            .addContainerGap()
                            .addGroup(groupLayout.createParallelGroup(Alignment.LEADING)
                                .addComponent(scrollPane, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
                                .addGroup(groupLayout.createSequentialGroup()
                                    .addGroup(groupLayout.createParallelGroup(Alignment.LEADING)
                                        .addComponent(lblUsername, GroupLayout.DEFAULT_SIZE, 0, Short.MAX_VALUE)
                                        .addComponent(lblAvailable, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                                    .addGap(452))))
                        .addGroup(groupLayout.createSequentialGroup()
                            .addGap(196)
                            .addComponent(lblClient, GroupLayout.DEFAULT_SIZE, 132, Short.MAX_VALUE)
                            .addGap(134)))
                    .addGap(38))
                .addGroup(groupLayout.createSequentialGroup()
                    .addGap(200)
                    .addComponent(submit, GroupLayout.DEFAULT_SIZE, 102, Short.MAX_VALUE)
                    .addGap(198))
                .addGroup(groupLayout.createSequentialGroup()
                    .addGap(68)
                    .addComponent(lblWarning, GroupLayout.DEFAULT_SIZE, 357, Short.MAX_VALUE)
                    .addGap(75))
                .addGroup(groupLayout.createSequentialGroup()
                    .addGap(120)
                    .addComponent(textField, GroupLayout.DEFAULT_SIZE, 150, Short.MAX_VALUE)
                    .addGap(230))
        );
        groupLayout.setVerticalGroup(
            groupLayout.createParallelGroup(Alignment.LEADING)
                .addGroup(groupLayout.createSequentialGroup()
                    .addContainerGap()
                    .addComponent(lblClient, GroupLayout.DEFAULT_SIZE, 38, Short.MAX_VALUE)
                    .addGroup(groupLayout.createParallelGroup(Alignment.TRAILING)
                        .addGroup(groupLayout.createSequentialGroup()
                            .addGap(31)
                            .addComponent(lblUsername, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                        .addGroup(groupLayout.createSequentialGroup()
                            .addPreferredGap(ComponentPlacement.RELATED, 11, Short.MAX_VALUE)
                            .addComponent(textField, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)))
                    .addPreferredGap(ComponentPlacement.RELATED)
                    .addComponent(lblAvailable, GroupLayout.DEFAULT_SIZE, 4, Short.MAX_VALUE)
                    .addGap(18)
                    .addComponent(scrollPane, GroupLayout.DEFAULT_SIZE, 210, Short.MAX_VALUE)
                    .addGap(37)
                    .addComponent(lblWarning, GroupLayout.DEFAULT_SIZE, 39, Short.MAX_VALUE)
                    .addPreferredGap(ComponentPlacement.RELATED)
                    .addComponent(submit, GroupLayout.DEFAULT_SIZE, 31, Short.MAX_VALUE)
                    .addGap(69))
        );

        table = new JTable();
        table.setModel(new DefaultTableModel(
            new Object[][] {
                {null, null, null},
                {null, null, null},
                {null, null, null},
            },
            new String[] {
                "Room", "Host", "IP"
            }
        ) {
            boolean[] columnEditables = new boolean[] {
                false, false, false
            };
            public boolean isCellEditable(int row, int column) {
                return columnEditables[column];
            }
        });
        table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
        scrollPane.setViewportView(table);
        setLayout(groupLayout);

    }

}