close
int n= 5;//取得5天前的日期
Calendar cal = Calendar.getInstance();
long time = cal.getTimeInMillis() - (long)n * 24L * 60L * 60L * 1000L;
cal.setTimeInMillis(time);
return DateUtil.getDate(cal, "yyyymmdd");
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int n= 5;//取得5天前的日期
Calendar cal = Calendar.getInstance();
long time = cal.getTimeInMillis() - (long)n * 24L * 60L * 60L * 1000L;
cal.setTimeInMillis(time);
return DateUtil.getDate(cal, "yyyymmdd");
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