java2个日期差！
?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();}
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