package com.itheima;
import javax.swing.*;
import java.text.SimpleDateFormat;
import java.util.Date;
public class ShowDateTime02 {
public static void main(String[] args) {
JFrame jf=new JFrame();
jf.setTitle("猜数字游戏");
jf.setSize(400,300);
jf.setDefaultCloseOperation(3);
jf.setLocationRelativeTo(null);
jf.setAlwaysOnTop(true);
jf.setLayout(null); //取消窗体的默认布局
//提示日期
JLabel dataLable=new JLabel("日期");
dataLable.setBounds(50,50,100,20);
jf.add(dataLable);
Date d=new Date();
SimpleDateFormat sdf =new SimpleDateFormat("yyyy年MM月dd日");
String dateString = sdf.format(d);
//按照格式显示日期的字符串
JLabel showDateLable=new JLabel(dateString);
showDateLable.setBounds(50,80,200,20);
jf.add(showDateLable);
//提示时间
JLabel timeLable = new JLabel("时间");
timeLable.setBounds(50,150,100,20);
jf.add(timeLable);
SimpleDateFormat sdf2=new SimpleDateFormat("HH:mm");
String timeString = sdf2.format(d);
//按照格式显示时间的字符串
JLabel showtimeLable = new JLabel(timeString);
showtimeLable.setBounds(50,180,200,20);
jf.add(showtimeLable);
//添加按钮到窗体中
jf.setVisible(true);
}
}
执行结果
