Calendar c = Calendar.getInstance(); System.out.println(c.getTime()); SimpleDateFormat simpleDateTimeFormat = new SimpleDateFormat( "yyyyMMdd" ); c = Calendar.getInstance(Locale.CHINESE); System.out.println(simpleDateTimeFormat.format(c.getTime()));
import java.text.SimpleDateFormat; import java.util.*; public class Test1 { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub Date d = new Date(); Calendar c = Calendar.getInstance(); c.setTime(d); c.roll(Calendar.DAY_OF_MONTH, -1); SimpleDateFormat sf = new SimpleDateFormat( "yyyyMMdd" ); System.out.println(sf.format(c.getTime())); }} 打印结果 20090820
Calendar c = Calendar.getInstance();
System.out.println(c.getTime());
SimpleDateFormat simpleDateTimeFormat = new SimpleDateFormat( "yyyyMMdd" );
c = Calendar.getInstance(Locale.CHINESE);
System.out.println(simpleDateTimeFormat.format(c.getTime()));
import java.text.SimpleDateFormat;
import java.util.*;
public class Test1 { /**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub Date d = new Date();
Calendar c = Calendar.getInstance();
c.setTime(d);
c.roll(Calendar.DAY_OF_MONTH, -1);
SimpleDateFormat sf = new SimpleDateFormat( "yyyyMMdd" );
System.out.println(sf.format(c.getTime()));
}}
打印结果
20090820
System.out.println(format.format(new Date(
System.currentTimeMillis() - 24 * 3600 * 1000)));
SimpleDateFormat format = new SimpleDateFormat("yyyyMMdd");
System.out.println(c.getTime());
SimpleDateFormat simpleDateTimeFormat = new SimpleDateFormat( "yyyyMMdd" );
c.add(Calendar.DAY_OF_MONTH, -1);
System.out.println(simpleDateTimeFormat.format(c.getTime()));