java ÈÕÆÚ¼ÆËã(¼¸Ììǰºó)
public class DateTest {
public static void main(String[] args) {
Date date = new Date(); // н¨Ò»¸öÈÕÆÚ
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); // ¸ñʽ»¯ÈÕÆÚ
String beforeDate = sdf.format(getDateBefore(date, 10));
System.out.println(beforeDate);
String afterDate = sdf.format(getDateAfter(date, 10));
System.out.println(afterDate);
}
/**
* µÃµ½¼¸ÌìǰµÄʱ¼ä
*/
public static Date getDateBefore(Date d, int day) {
Calendar now = Calendar.getInstance();
now.setTime(d);
now.set(Calendar.DATE, now.get(Calendar.DATE) - day);
return now.getTime();
}
/**
* µÃµ½¼¸ÌìºóµÄʱ¼ä
*/
public static Date getDateAfter(Date d, int day) {
Calendar now = Calendar.getInstance();
now.setTime(d);
now.set(Calendar.DATE, now.get(Calendar.DATE) + day);
return now.getTime();
}
}
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