首頁(yè) 猿問(wèn) 程序錯(cuò)誤""顯...

程序錯(cuò)誤""顯示系統(tǒng)當(dāng)前年月日時(shí)分秒 ""該怎么辦？

Java 數(shù)據(jù)結(jié)構(gòu)

慕標(biāo)琳琳 2022-10-13 11:11:35

import java.awt.*;import java.awt.event.*;import java.util.Calendar;import javax.swing.*;public class timeTest extends JFrame{final timeTest ti=this;private JLabel label=new JLabel(); public timeTest(){this.setSize(800,400);this.setTitle("時(shí)間");this.setLayout(null);this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);Toolkit tk=this.getToolkit();Dimension screenSize=tk.getScreenSize();this.setLocation(screenSize.width/4-this.getWidth()/4, screenSize.height/4-this.getHeight()/4);label.setBounds(200,80,480,80); this.getContentPane().add(label); ActionListener taskPerformer=new ActionListener(){public void actionPerformed(ActionEvent e){Calendar calendar=new Calendar();label.setText(calendar.get(Calendar.YEAR) - 1900 +"年"+calendar.get(Calendar.MONTH)+"月"+calendar.get(Calendar.DAY_OF_WEEK)+"日"+ calendar.get(Calendar.HOUR_OF_DAY) +":"+calendar.get(Calendar.MINUTE)+":"+calendar.get(Calendar.SECOND));label.setFont(new Font("黑體",Font.PLAIN,25));};new Timer(1000, taskPerformer).start(); this.setVisible(true); }public static void main(String[] args) {new timeTest();}}

查看完整描述

3 回答

素胚勾勒不出你

TA貢獻(xiàn)1827條經(jīng)驗(yàn) 獲得超9個(gè)贊

Date nowDate = nowTime.getTime();
public static String getTime(long time) {
Date da = new Date(time);
String dateFormat = "yyyy-MM-dd HH:mm:ss";
SimpleDateFormat sdf = new SimpleDateFormat(dateFormat);
return sdf.format(da);
}

反對(duì) 回復(fù) 2022-10-16

牧羊人nacy

TA貢獻(xiàn)1862條經(jīng)驗(yàn) 獲得超7個(gè)贊

calendar.get(Calendar.YEAR) - 1900 +"年"+
calendar.get(Calendar.MONTH)+"月"+calendar.get(Calendar.DAY_OF_WEEK)
+"日"+ calendar.get(Calendar.HOUR_OF_DAY) +":"+calendar.get(Calendar.MINUTE)
+":"+calendar.get(Calendar.SECOND)) 改成：
SimpleDateFormat sf=new SimpleDateFormat("yyyy年-MM月-dd日 hh時(shí):mm分:ss秒");
String s=sf.format(new Date());

反對(duì) 回復(fù) 2022-10-16