JSP编程

Java输出系统当前的日期(年月日时分秒毫秒)

互联网 2013-09-10JSP编程10108

当前的日期输出的方法有很多，本文为大家介绍下在java中是如何实现输出年月日时分秒毫秒的，感兴趣的朋友不妨参考下

 
package test.remote.tools.combine; 

import java.text.SimpleDateFormat; 
import java.util.Calendar; 
import java.util.Date; 
import java.util.GregorianCalendar; 

public class TestOutDate 
{ 
public static void main(String[] args) 
{ 
//method 1 
Calendar nowtime = new GregorianCalendar(); 
String strDateTime="["+String.format("%04d", nowtime.get(Calendar.YEAR))+"/"+ 
String.format("%02d", nowtime.get(Calendar.MONTH))+"/" + 
String.format("%02d", nowtime.get(Calendar.DATE))+" " + 
String.format("%02d", nowtime.get(Calendar.HOUR))+":" + 
String.format("%02d", nowtime.get(Calendar.MINUTE))+":" + 
String.format("%02d", nowtime.get(Calendar.SECOND))+"." + 
String.format("%03d", nowtime.get(Calendar.MILLISECOND))+"]"; 
System.out.println(strDateTime); 

//method 2 
String msg=""; 
Date date = new Date(); 
SimpleDateFormat sdf = new SimpleDateFormat("YYYY/MM/dd HH:mm:ss.SSS"); 
msg+="["+sdf.format(date)+"]"; 

System.out.println(msg); 
} 
} 