frame1.java

jbuilder2005

package shengxiao;

import java.awt.*;
import javax.swing.*;
import com.borland.jbcl.layout.VerticalFlowLayout;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;

public class Frame1
    extends JFrame {
  String s;
  JPanel contentPane;
  Choice choice1 = new Choice();
  Label label1 = new Label();
  VerticalFlowLayout verticalFlowLayout1 = new VerticalFlowLayout();

  public Frame1() {
    try {
      setDefaultCloseOperation(EXIT_ON_CLOSE);
      jbInit();
    }
    catch (Exception exception) {
      exception.printStackTrace();
    }
  }

  /**
   * Component initialization.
   *
   * @throws java.lang.Exception
   */
  private void jbInit() throws Exception {
    contentPane = (JPanel) getContentPane();
    contentPane.setLayout(verticalFlowLayout1);
    setSize(new Dimension(200, 100));
    setTitle("生肖查询");
    label1.setText("选择出生年份，查询您的生肖。");
    choice1.addItemListener(new Frame1_choice1_itemAdapter(this));
    contentPane.add(choice1, null);
    contentPane.add(label1, null);
    for (int i=1900;i<=2050;i++ )
      choice1.add(Integer.toString(i));    //add改为addItem也可
  }

  public void choice1_itemStateChanged(ItemEvent e) {
    switch (choice1.getSelectedIndex()%12)
    {
      case 0: s = "鼠";break;
      case 1: s = "牛";break;
      case 2: s = "虎";break;
      case 3: s = "兔";break;
      case 4: s = "龙";break;
      case 5: s = "蛇";break;
      case 6: s = "马";break;
      case 7: s = "羊";break;
      case 8: s = "猴";break;
      case 9: s = "鸡";break;
      case 10: s = "狗";break;
      case 11: s = "猪";break;
    }
    label1.setText(choice1.getSelectedItem() + "年出生，属 "+s);
  }
}

class Frame1_choice1_itemAdapter
    implements ItemListener {
  private Frame1 adaptee;
  Frame1_choice1_itemAdapter(Frame1 adaptee) {
    this.adaptee = adaptee;
  }

  public void itemStateChanged(ItemEvent e) {
    adaptee.choice1_itemStateChanged(e);
  }
}