gridlayoutpanel.java

Java实例入门

package layouttest;

import java.awt.*;
import javax.swing.*;

public class GridLayoutPanel extends JPanel {
  GridLayout gridLayout1 = new GridLayout();
  ButtonGroup buttonGroup1 = new ButtonGroup();
  JRadioButton jRadioButton1 = new JRadioButton();
  JRadioButton jRadioButton2 = new JRadioButton();
  JRadioButton jRadioButton3 = new JRadioButton();
  JRadioButton jRadioButton4 = new JRadioButton();
  JRadioButton jRadioButton5 = new JRadioButton();

  public GridLayoutPanel() {
    try {
      jbInit();
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }
  void jbInit() throws Exception {
    jRadioButton1.setText("jRadioButton1");
    gridLayout1.setRows(5);
    gridLayout1.setColumns(1);
    this.setLayout(gridLayout1);
    jRadioButton2.setText("jRadioButton2");
    jRadioButton3.setText("jRadioButton3");
    jRadioButton4.setText("jRadioButton4");
    jRadioButton5.setText("jRadioButton5");
    this.add(jRadioButton1, null);
    this.add(jRadioButton2, null);
    this.add(jRadioButton3, null);
    this.add(jRadioButton4, null);
    this.add(jRadioButton5, null);
    buttonGroup1.add(jRadioButton5);
    buttonGroup1.add(jRadioButton1);
    buttonGroup1.add(jRadioButton2);
    buttonGroup1.add(jRadioButton3);
    buttonGroup1.add(jRadioButton4);
  }
}