JAVA随手记之获取过去几天的日期

/**

* 获取过去第几天的日期

*

* @param past

* @return

*/

public static String getPastDate(int past) {

Calendar calendar = Calendar.getInstance();

calendar.set(Calendar.DAY_OF_YEAR, calendar.get(Calendar.DAY_OF_YEAR) - past);

Date today = calendar.getTime();

SimpleDateFormat format =new SimpleDateFormat("yyyy-MM-dd");

String result = format.format(today);

return result;

}