shijifengshun_xiazai
用到JOptionPane.showConfirmDialog方法，showConfirmDialog 的返回类型是电脑端WhatsApp网页版添加好友int,定义一个int类型的变量接收返回值，然后根据业务逻辑判断，代码看不懂，可以自行百度搜索或问同事，编程注重思想。
impo下载使用WhatsApp网页版视频rt java.awt.event.WindowAdapter;import j苹果如何下载WhatsApp网页版ava.awt.event.WindowEvent;import javax.swiWhatsApp网页版视频电话模糊ng.JFrame;import javax.swing.JOptionPane; public class JButtonTest extends JFrame{public static void main ( String[] args ){JButtonTest b = new JButtonTest ()whatsapp网页版检索登录信息;b.addWindowListener (new Windowhatsapp网页版桌面wAdapter (){@Overridepublic void win登录whatsapp网页版一直连接中dowClosing ( WindowEvent e ){int exi = JOptionPane.showConfirmDialog (null, "要退出登录whatsapp网页版一直连接中该程序吗？", "友情提示", JOptiwhatsapp网页版后台onPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE);if (exi == JOptionPane.YES_OPTION){System.exit (0);}else{return;}}});b.setSize (300, 300);b.setLocationRelativeTo (null);b.setDefaultCloseOpWhatsApp网页版登录eration (JFrame.DO_NOTHING_ON_CLOSE);whatsapp网页版 api注册成功b.setVisible (true);}} 
wangkaili
请参考JFileChooser 
zz569021923
不知什么意思 
1015860161
import java.awt.event.WindowAdapter;import java.awt.event.WindowEvent;import javax.swing.JFrame;import javax.swing.JOptionPane;public class JButtonTest extends JFrame{ public static void main ( String[] arwhatsapp网页版文件怎么下载gs ) { JButtonTest bwhatsapp网页版 视频可以美颜吗 = new JButtonTest (); b.awhatsapp网页版哪里添加好友ddWindowwhatsapp网页版官方软件Listener (new WindowAdaptwhatsapp网页版掉线怎么登陆er () { @Override public void windowClosing ( WindowEvent e ) { int exi = JOptionPane.showConfirmDialog (null, "确定不玩了么？", "友情提示", JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE); if (exi == JOptionPane.YES_OPTION) { System.ex网页whatsapp网页版能视频吗it (安卓下载whatsapp网页版方法0WhatsApp网页版语音通话); } else { return; } } }); b.setSize (300, 300); b.setLocationRelativeTo (null); b.setDefaultCloseOperation (JFrame.DO_NOTHING_ON_CLOSE); b.setVisible (true); }}
WhatsApp中文网页版 - WhatsApp官网请注明：WhatsApp中文网页版 - WhatsApp官网 » whatsapp网页版禁用 java swing中肿么实现点击jframe的关闭按钮后,
