写道
pattern 格式需要跟 sf.parse(“2013/07/08 9:00:00”); 方法内的参数 格式一致 / 或者 - 要一致 否则会出现 java.text.ParseException: Unparseable date 异常
n = "yyyy/MM/dd hh:mm:ss"; SimpleDateFormat sf = new SimpleDateFormat(pattern); try { Date inventoryDate = sf.parse("2013/07/08 9:00:00"); Date nowDate = sf.parse("2013/07/08 9:00:00"); long diff =nowDate.getTime()- inventoryDate.getTime(); diff = diff / 1000 / 60 / 60 / 24; android.util.Log.v("====",diff+" <<<"); } catch (ParseException e) { e.printStackTrace(); }