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1 SimpleDateFormatµ£µ±ÖØÈÎ,ÔõÑù¸ñʽ»¯¶¼ÐÐ
import java.util.Date;
import java.text.SimpleDateFormat;
public class Demo
{
public static void main(String[] args)
{
Date now=new Date();
SimpleDateFormat f=newSimpleDateFormat("½ñÌìÊÇ"+"yyyyÄêMMÔÂddÈÕ E kkµãmm·Ö");
System.out.println(f.format(now));

f=new SimpleDateFormat("a hhµãmm·ÖssÃë");
System.out.println(f.format(now));
}
}

2 ´Ó×Ö·û´®µ½ÈÕÆÚÀàÐ͵Äת»»£º
import java.util.Date;
import java.text.SimpleDateFormat;
import java.util.GregorianCalendar;
import java.text.*;
publicclass Demo
{
public static void main(String[] args)
{
String strDate="2005Äê04ÔÂ22ÈÕ";
//×¢Ò⣺SimpleDateFormat¹¹Ô캯ÊýµÄÑùʽÓëstrDateµÄÑùʽ±ØÐëÏà·û
SimpleDateFormat simpleDateFormat=new SimpleDateFormat("yyyyÄêMMÔÂddÈÕ");
//±ØÐë²¶»ñÒì³£
try
{
Date date=simpleDateFormat.parse(strDate);
System.out.println(date);
}
catch(ParseException px)
{
px.printStackTrace();
}
}
}

3 ½«ºÁÃëÊý»»×ª³ÉÈÕÆÚÀàÐÍ
import java.util.Date;
import java.text.SimpleDateFormat;
import java.util.GregorianCalendar;
import java.text.*;
public class Demo
{
public static void main(String[] args)
{
long now=System.currentTimeMillis();
System.out.println("ºÁÃëÊý£º"+now);
Date dNow=new Date(now);
System.out.println("ÈÕÆÚÀàÐÍ£º"+dNow);
}
}
Õâ3ÀýÔ´×Ô[url]http://blog.csdn.net/zhoujian2003/archive/2005/04/22/358363.aspx[/url]
4 »ñȡϵͳʱÆÚºÍʱ¼ä£¬×ª»»³ÉSQL¸ñʽºó¸üе½Êý¾Ý¿â
([url]http://blog.csdn.net/netrope/archive/2005/11/19/532729.aspx[/url])
java.util.Date d=new java.util.Date(); //»ñÈ¡µ±Ç°ÏµÍ³µÄʱ¼ä
//¸ñʽ»¯ÈÕÆÚ
new java.text.SimpleDateFormat s= new java.text.SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String dateStr = s.format(d); //תΪ×Ö·û´®


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import java.io.*;
import java.awt.image.*;
import org.w3c.dom.*;
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import javax.imageio.*;
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