Die FlowLayout
Klasse stellt Komponenten in einer Reihe. Um zu bekommen, was Sie wollen, können Sie GridBagLayout
verwenden.
Beispielcode:
import java.awt.CardLayout;
import java.awt.Color;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
public class LayoutExamle {
JFrame frame;
JPanel panel;
JButton b1, b2, b3;
JLabel l1, l2;
JTextField t1;
GridBagConstraints constraints;
public LayoutExamle(){
initComp();
}
public void initComp(){
frame = new JFrame("Example");
frame.setLayout(new CardLayout());
panel = new JPanel();
panel.setSize(400, 350);
panel.setLayout(new GridBagLayout());
panel.setBackground(Color.WHITE);
constraints = new GridBagConstraints();
b1 = new JButton("<<");
constraints.gridx = 0;
constraints.gridy = 0;
constraints.gridwidth = 2;
constraints.anchor = GridBagConstraints.NORTHWEST;
constraints.insets = new Insets(12, 43, 0, 0);
panel.add(b1, constraints);
b2 = new JButton("Open");
constraints.gridx = 2;
constraints.gridy = 0;
constraints.gridwidth = 2;
constraints.anchor = GridBagConstraints.NORTHWEST;
constraints.insets = new Insets(12, 18, 0, 0);
panel.add(b2, constraints);
b3 = new JButton(">>");
constraints.gridx = 4;
constraints.gridy = 0;
constraints.anchor = GridBagConstraints.NORTHWEST;
constraints.insets = new Insets(12, 12, 0, 0);
panel.add(b3, constraints);
l1 = new JLabel("jLabel1");
constraints.gridx = 0;
constraints.gridy = 1;
constraints.anchor = GridBagConstraints.NORTHWEST;
constraints.insets = new Insets(234, 43, 12, 0);
panel.add(l1, constraints);
l2 = new JLabel("jLabel1");
l2.setText("jLabel2");
constraints.gridx = 2;
constraints.gridy = 1;
constraints.anchor = GridBagConstraints.NORTHWEST;
constraints.insets = new Insets(234, 18, 12, 0);
panel.add(l2, constraints);
t1 = new JTextField();
constraints.gridx = 4;
constraints.gridy = 1;
constraints.gridwidth = 2;
constraints.ipadx = 130;
constraints.anchor = GridBagConstraints.NORTHWEST;
constraints.insets = new Insets(230, 12, 12, 31);
panel.add(t1, constraints);
frame.add(panel);
frame.pack();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
}
public static void main(String[] args) {
new LayoutExamle();
}
}
Screenshot:
Das Tutorial ist der richtige Ort zu starten: https://docs.oracle.com/javase/tutorial/uiswing/ –