WhatsApp网页版安卓登录
t296335740import java.awt.*;import jWhatsApp网页版怎么查看好友ava.awt.event.*;imWhatsApp网页版视频通话全屏port javax.swing.*;public class MyLoginFrame extends JFrame { public static void main(String[] argWhatsApp网页版语音翻译成中文s) { new MyLoginFrame(); } // jdk版本1.8测试通过.如果是1.8以下版本,有可能需要把变量修改成final类型的 JButton jb1, jb2; JTextField jtf1, jtf2; public MyLoginFrame() {// 初始化界面 JPanel jp1 = new JPanel(); JLabel jl1 = new JLabel("账号:&quWHATSAPP网页版下载哪个版本ot;, SwingConstants.CENTER);// 文字居中 jtf1 = new JTextField(10); jp1.add(jl1); jp1.add(jtf1whatsapp网页版api群发); JPanel jp2 = new JPanel(); JLabel jl2 = new JLabel("密码:", SwingCoWhatsApp网页版注册登录方法nstants.CENTER); jtf2 = new JTextField(10); jp2.add(jl2); jp2.add(jtf2); JPanel jp3 = new JPanel(); jb1 = new JButton("确定"); whatsapp网页版能不能群发jbwhatsapp网页版的用户分布2 = new JButton("取消&quWhatsApp网页版登陆验证码ot;); jp3.add(jb1); jp3.add(whatsapp网页版无法扫描二维码jb2); setLayout(new GridLayout(3, 1, 20, 10));// 表格布局 3行1列 水平间距20 垂whatsapp网页版手机安装直间距10 add(jp1); add(jp2); add(jp3); this.setSize(230, 170);// 大小 setLocationRelativeTo(null);// 居中 this.setResizable(false);// 不可缩放 this.setTitle("LoginFrame");// 标题名whatsapp网页版中文叫什么软件 this.setDefaultCloseOperation(EXIT_ON_CLOSE);// 退出就关闭界面 this.setVisible(true); String info1 = "请输入 [账号]"; String info2 = "请输入 <密码>"; jtf1.setText(info1); jtf2.setText(info2); jtf1.addFocusListener(new MyFocusListener(inwhatsapp网页版翻译插件fo1, jtf1));//添加焦点事件反映 jtf2.addFocusListener(new MyFocus老挝WHATSAPP网页版下载Listener(info2, jtf2)); }}class MyFocusListener implements Focuwhatsapp网页版手机号无法注册sListener { String info; JTextField jtfWhatsApp网页版软件图片; public Mywhatsapp网页版电脑端登录FocusListener(String info, JTextField jtf) { this.info = info; this.jtf = jtf; } @Override puWHATSAPP网页版下载blic voi手机处于hook环境怎么解除d focusGained(FocusEvent e) {//获得焦点的时候,清空提示文字 String temp = jtf.getText(); if(temp.equals(info)){ jtf.setText(""); } } whatsapp网页版好友@Override public void focusLost(FocusEvent e) {//失去焦点的时候,判断如果为空,就显示提示文字 String temp = jtf.getText(); if(temp.equals("")){ jtf.setText(info); } }} fengxuling <input type="text" onclick="WdatePicker({startDate:'%y-%M-{%d-1}'})">
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WhatsApp中文网页版 - WhatsApp官网请注明:WhatsApp中文网页版 - WhatsApp官网 » whatsapp网页版安卓登录 jtextfield默认提示肿么实现