j2se 下拉框变化字体

package com.channelsoft.eps.test.epg; 

import java.awt.*; 

import javax.swing.*; 

import java.awt.event.*; 

public class BtnFont extends JApplet implements ItemListener { 

 Container cp = getContentPane(); 

 JLabel lb = new JLabel("班级:"); 

 String str[] = { "101班", "102班", "103班", "104班", "105班" }; 

 JButton bt = new JButton("请选择"); 

 JComboBox cb = new JComboBox(str); 


 public void init() { 

 cp.setLayout(new FlowLayout()); 

 cp.add(lb); 

 cp.add(bt); 

 cp.add(cb); 

 cb.addItemListener(this); 

 } 


 public void itemStateChanged(ItemEvent e) { 

 String str; 

 str = (String) e.getItem(); 

 Font font = new Font("宋体", Font.PLAIN, 30); 

 bt.setText(str); 

 bt.setFont(font); 

 } 


 /** 

 * @param args 

 */ 

 public static void main(String[] args) { 

 // TODO Auto-generated method stub 

 BtnFont bt = new BtnFont(); 

 bt.init(); 

 } 


} 


结果：

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• 大小: 3.8 KB
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• 大小: 5 KB
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