From 3be3f6e670d2e11d7ced76b8202f0ef30b56870f Mon Sep 17 00:00:00 2001 From: admin <weikou2014> Date: 星期三, 15 五月 2019 10:54:54 +0800 Subject: [PATCH] Merge remote-tracking branch 'origin/master' --- utils/src/main/java/org/yeshi/utils/DateUtil.java | 176 +++++++++++++++++++++++++++++++++++++++++----------------- 1 files changed, 125 insertions(+), 51 deletions(-) diff --git a/utils/src/main/java/org/yeshi/utils/DateUtil.java b/utils/src/main/java/org/yeshi/utils/DateUtil.java index 3cfbc90..74e6405 100644 --- a/utils/src/main/java/org/yeshi/utils/DateUtil.java +++ b/utils/src/main/java/org/yeshi/utils/DateUtil.java @@ -55,6 +55,17 @@ return datatime; } + /** + * 閫氳繃鏃堕棿绉掓绉掓暟鍒ゆ柇涓や釜鏃堕棿鐨勯棿闅� + * + * @param date1 + * @param date2 + * @return + */ + public static int differentDaysByMillisecond(Date start, Date end) { + return (int) ((end.getTime() - start.getTime()) / (1000 * 3600 * 24)); + } + public String transferLongToDate(String dateFormat, Long millSec) { SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); Date date = new Date(millSec); @@ -94,87 +105,125 @@ return false; } } - - - /** - * 楠岃瘉鏄惁灞炰簬鍚屼竴澶� - * - * @param Date1 - * @param Date2 - * @return - */ - public static boolean isSameMonth(Date date1, Date date2) { - if (date1 != null && date2 != null) { - Calendar cal1 = Calendar.getInstance(); - cal1.setTime(date1); - Calendar cal2 = Calendar.getInstance(); - cal2.setTime(date2); - return isSameMonth(cal1, cal2); - } else { - return false; - } - } - - /** - * 楠岃瘉鏄惁灞炰簬鍚屽勾鍚屾湀 - * - * @param cal1 - * @param cal2 - * @return - */ - public static boolean isSameMonth(Calendar cal1, Calendar cal2) { - if (cal1 != null && cal2 != null) { - return cal1.get(0) == cal2.get(0) && cal1.get(1) == cal2.get(1) && cal1.get(6) == cal2.get(6); - } else { - return false; - } - } - /** * 鎸囧畾鏃ユ湡鍔犱笂澶╂暟鍚庣殑鏃ユ湡 * - * @param num - * 澧炲姞鐨勫ぉ鏁� - * @param nowDate - * 鍒涘缓鏃堕棿 + * @param num 澧炲姞鐨勫ぉ鏁� + * @param nowDate 鍒涘缓鏃堕棿 * @return * @throws ParseException */ public static String plusDay(int num, String nowDate) throws ParseException { SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); Date currdate = format.parse(nowDate); - + Calendar ca = Calendar.getInstance(); ca.setTime(currdate); ca.add(Calendar.DATE, num); - + return format.format(ca.getTime()); } - + + /** + * 鎸囧畾鏃ユ湡鍔犱笂澶╂暟鍚庣殑鏃ユ湡 + * + * @param num 澧炲姞鐨勫ぉ鏁� + * @param nowDate 鍒涘缓鏃堕棿 + * @return + * @throws ParseException + */ + public static String plusDay(int num, Date currdate) throws ParseException { + SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); + + Calendar ca = Calendar.getInstance(); + ca.setTime(currdate); + ca.add(Calendar.DATE, num); + + return format.format(ca.getTime()); + } + /** * 鎸囧畾鏃ユ湡鍑忓幓澶╂暟鍚庣殑鏃ユ湡 * - * @param num - * 鍑忓幓鐨勫ぉ鏁� - * @param nowDate - * 鍒涘缓鏃堕棿 + * @param num 鍑忓幓鐨勫ぉ鏁� + * @param nowDate 鍒涘缓鏃堕棿 * @return * @throws ParseException */ public static String reduceDay(int num, String nowDate) throws ParseException { SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); Date currdate = format.parse(nowDate); - + Calendar ca = Calendar.getInstance(); ca.setTime(currdate); ca.add(Calendar.DATE, -num); // 鏃ユ湡鍑� 濡傛灉涓嶅鍑忎細灏嗘湀鍙樺姩 - + return format.format(ca.getTime()); } - + + /** + * 鎸囧畾鏃ユ湡鍑忓幓澶╂暟鍚庣殑鏃ユ湡 + * + * @param num 鍑忓幓鐨勫ぉ鏁� + * @param nowDate 鍒涘缓鏃堕棿 + * @return + * @throws ParseException + */ + public static Date reduceDay(int num, Date date) throws ParseException { + // 璁剧疆瑕佽幏鍙栧埌浠�涔堟牱鐨勬椂闂� + SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); + // 鑾峰彇String绫诲瀷鐨勬椂闂� + String date_str = format.format(date); + Date currdate = format.parse(date_str); + + Calendar ca = Calendar.getInstance(); + ca.setTime(currdate); + ca.add(Calendar.DATE, -num); // 鏃ユ湡鍑� 濡傛灉涓嶅鍑忎細灏嗘湀鍙樺姩 + + return ca.getTime(); + } + + /** + * 璁$畻涓や釜鏃ユ湡涔嬮棿鐩稿樊鐨勫ぉ鏁� + * + * @param smdate 杈冨皬鐨勬椂闂� + * @param bdate 杈冨ぇ鐨勬椂闂� + * @return 鐩稿樊澶╂暟 + * @throws ParseException calendar 瀵规棩鏈熻繘琛屾椂闂存搷浣� getTimeInMillis() 鑾峰彇鏃ユ湡鐨勬绉掓樉绀哄舰寮� + */ + public static int daysBetween(Date smdate, Date bdate) throws ParseException { + Calendar cal = Calendar.getInstance(); + cal.setTime(smdate); + long time1 = cal.getTimeInMillis(); + cal.setTime(bdate); + long time2 = cal.getTimeInMillis(); + long between_days = (time2 - time1) / (1000 * 3600 * 24); + return Integer.parseInt(String.valueOf(between_days)); + } + + /** + * 瀛楃涓叉棩鏈熸牸寮忕殑璁$畻 + * + * @param smdate + * @param bdate + * @return + * @throws ParseException + */ + public static int daysBetween(String smdate, String bdate) throws ParseException { + SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); + Calendar cal = Calendar.getInstance(); + cal.setTime(sdf.parse(smdate)); + long time1 = cal.getTimeInMillis(); + cal.setTime(sdf.parse(bdate)); + long time2 = cal.getTimeInMillis(); + long between_days = (time2 - time1) / (1000 * 3600 * 24); + return Integer.parseInt(String.valueOf(between_days)); + } + /** * 杩斿洖涓棿鏃ユ湡 + * * @param startTime * @param endTime * @return @@ -198,8 +247,33 @@ break; // 鏃堕棿缁撴潫 } } - return listDate; } + + /** + * 闅忔満鍑忓幓鍑犲垎閽� + * @param date + * @return + */ + public static Date reduceRandomMinute(Date date) { + long rand = (long) (Math.random() * 60 * 8); + long time = date.getTime() - rand; + return new Date(time); + } + + /** + * @param args + * @throws ParseException format() 瀵规棩鏈熻繘琛屾牸寮忓寲澶勭悊 parse() 灏嗘棩鏈熻缃负date绫诲瀷 + */ + public static void main(String[] args) throws ParseException { + // TODO Auto-generated method stub + SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); + Date d1 = sdf.parse("2016-09-08 00:00:00"); + Date d2 = sdf.parse("2016-09-08 00:00:00"); + + System.out.println(daysBetween(d1, d2)); + System.out.println(daysBetween("2016-09-08 10:10:10", "2016-09-29 00:00:00")); + } + } \ No newline at end of file -- Gitblit v1.8.0