参考:java实现 public static void main(String[] str) {
int amount = 20;
Date dt = new Date(System.currentTimeMillis());
long times = dt.getTime();
long dateMillSec = 24l * 60 * 60 * 1000 * amount;
times = times + dateMillSec;
Date date = new Date(times);
System.out.println(date.toString());
}
int amount = 20;
Date dt = new Date(System.currentTimeMillis());
long times = dt.getTime();
long dateMillSec = 24l * 60 * 60 * 1000 * amount;
times = times + dateMillSec;
Date date = new Date(times);
System.out.println(date.toString());
}
now.add(Calendar.DAY_OF_MONTH,20);
System.out.println(now.getTime().toString());
date.setDate(date.getDate()+20);
alert(date.toLocaleString());
执行结果: 2007-07-26 15:59:59