demojcomboboxframe.java

精通NetBeans光盘源代码,很好很好的资料

/*
 * DemoJComboBoxFrame.java
 *
 * Created on 2006年3月19日, 上午12:21
 */

package org.netbeans.swing.container;

import javax.swing.ImageIcon;

/**
 *
 * @author  boyingking
 */
public class DemoJComboBoxFrame extends javax.swing.JFrame {
    
    /** Creates new form DemoJComboBoxFrame */
    public DemoJComboBoxFrame() {
        initComponents();
    }
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents
    private void initComponents() {
        jComboBoxLover = new javax.swing.JComboBox();
        jLabelMessage = new javax.swing.JLabel();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("JComboBox\u5e94\u7528\u793a\u4f8b");
        jComboBoxLover.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "", "football", "basketball", "vollyball", "swaming", "danceing", "singing" }));
        jComboBoxLover.addItemListener(new java.awt.event.ItemListener() {
            public void itemStateChanged(java.awt.event.ItemEvent evt) {
                jComboBoxLoverItemStateChanged(evt);
            }
        });

        jLabelMessage.setFont(new java.awt.Font("宋体", 0, 18));
        jLabelMessage.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
        jLabelMessage.setText("\u8bf7\u4ece\u5217\u8868\u4e2d\u9009\u62e9\u4e00\u4e2a\u9009\u9879");

        org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                    .add(layout.createSequentialGroup()
                        .addContainerGap()
                        .add(jLabelMessage, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 294, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                    .add(layout.createSequentialGroup()
                        .add(61, 61, 61)
                        .add(jComboBoxLover, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 198, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)))
                .addContainerGap(org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .add(26, 26, 26)
                .add(jLabelMessage, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 67, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .add(17, 17, 17)
                .add(jComboBoxLover, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(34, Short.MAX_VALUE))
        );
        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void jComboBoxLoverItemStateChanged(java.awt.event.ItemEvent evt) {//GEN-FIRST:event_jComboBoxLoverItemStateChanged
// TODO add your handling code here:           
       String favor=(String)this.jComboBoxLover.getSelectedItem();
       this.jLabelMessage.setText("你喜欢"+favor);
    }//GEN-LAST:event_jComboBoxLoverItemStateChanged

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new DemoJComboBoxFrame().setVisible(true);
            }
        });
    }
    private java.util.Vector myVec=new java.util.Vector();
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JComboBox jComboBoxLover;
    private javax.swing.JLabel jLabelMessage;
    // End of variables declaration//GEN-END:variables
    
}