比较两个日期的大小
/*** 比較兩個(gè)日期的大小:* 2 發(fā)生異常* 1 firstDate>secondDate* 0 firstDate==secondDate* -1 firstDate<secondDate* @param format* @param firstDate* @param secondDate* @return */public static int compareDate(String format,String firstDate, String secondDate){SimpleDateFormat sdf = new SimpleDateFormat(format);int result = 2;try {Date fDate = sdf.parse(firstDate);Date sDate = sdf.parse(secondDate);if(fDate.getTime()>sDate.getTime()){result = 1;}else if(fDate.getTime()==sDate.getTime()){result = 0;}else{result = -1;}} catch (ParseException ex) {Logger.getLogger(DateUtil.class.getName()).log(Level.SEVERE, null, ex);}return result;}
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