JavaDateUtil公用类
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package platform.commons.utils;import java.sql.Time;import java.sql.Timestamp;import java.text.DateFormat;import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.Calendar;import java.util.GregorianCalendar;import org.apache.log4j.Logger;public class DateUtil{ public static final String[][] regexandpattern_day_level = { { "^\\d{4}-\\d{1,2}-\\d{1,2} \\d{1,2}:\\d{1,2}", "yyyy-MM-dd HH:mm" }, { "^\\d{4}-\\d{1,2}-\\d{1,2} \\d{1,2}:\\d{1,2}:\\d{1,2}[.]?\\d{1,2}", "yyyy-MM-dd HH:mm:ss" }, { "\\d{8}", "yyyyMMdd" }, { "\\d{6}", "yyMMdd" }, { "^\\d{4}年\\d{1,2}月\\d{1,2}日$", "yyyy年MM月dd日" }, { "^\\d{4}-\\d{1,2}-\\d{1,2}$", "yyyy-MM-dd" }, { "^[a-zA-Z]{3} [a-zA-Z]{3} \\d{1,2} \\d{1,2}:\\d{1,2}:d{1,2}[.]?\\d{1,2} [a-zA-Z]{3} \\d{4}$", "EEE MMM dd hh:mm:ss zzz yyyy" }, { "^\\d{4}/\\d{1,2}/\\d{1,2}$", "yyyy/MM/dd" }, { "^\\d{1,2}/\\d{1,2}/\\d{4}$", "dd/MM/yyyy" }, { "^\\d{4}\\.\\d{1,2}\\.\\d{1,2}$", "yyyy.MM.dd" } }; private static final Logger log = Logger.getLogger(DateUtil.class); public static String getDateStr(java.util.Date date) { SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); return format.format(date); } public static String getDateStrC(java.util.Date date) { SimpleDateFormat format = new SimpleDateFormat("yyyy年MM月dd日"); return format.format(date); } public static String getDateStrCompact(java.util.Date date) { if (date == null) { return ""; } SimpleDateFormat format = new SimpleDateFormat("yyyyMMdd"); String str = format.format(date); return str; } public static String getDateTimeStr(java.util.Date date) { SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); if (date != null) { return format.format(date); } return ""; } public static String getDateTimeStrC(java.util.Date date) { SimpleDateFormat format = new SimpleDateFormat("yyyy年MM月dd日 HH时mm分ss秒"); if (date != null) { return format.format(date); } return ""; } public static String getCurDateStr(String pattern) { SimpleDateFormat format = new SimpleDateFormat(pattern); return format.format(new java.util.Date()); } public static java.util.Date parseDate(String s) throws ParseException { try { for (int i = 0; i < regexandpattern_day_level.length; i++) if (s.matches(regexandpattern_day_level[i][0])) { return parseDate(s, regexandpattern_day_level[i][1]); } } catch (Exception ex) { ex.printStackTrace(); } return null; } public static java.util.Date parseDate(String s, String f) throws ParseException { SimpleDateFormat format = new SimpleDateFormat(f); return format.parse(s); } public static java.util.Date parseDateC(String s) throws ParseException { SimpleDateFormat format = new SimpleDateFormat("yyyy年MM月dd日"); return format.parse(s); } public static java.util.Date parseDateTime(String s) throws ParseException { SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); return format.parse(s); } public static java.util.Date parseDateTimeC(String s) throws ParseException { SimpleDateFormat format = new SimpleDateFormat("yyyy年MM月dd日 HH时mm分ss秒"); return format.parse(s); } public static java.util.Date parseTime(String s) throws ParseException { SimpleDateFormat format = new SimpleDateFormat("HH:mm:ss"); return format.parse(s); } public static java.util.Date parseTimeC(String s) throws ParseException { SimpleDateFormat format = new SimpleDateFormat("HH时mm分ss秒"); return format.parse(s); } public static int yearOfDate(java.util.Date s) throws ParseException { SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); String d = format.format(s); return Integer.parseInt(d.substring(0, 4)); } public static int monthOfDate(java.util.Date s) throws ParseException { SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); String d = format.format(s); return Integer.parseInt(d.substring(5, 7)); } public static int dayOfDate(java.util.Date s) throws ParseException { SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); String d = format.format(s); return Integer.parseInt(d.substring(8, 10)); } public static String getDateTimeStr(java.sql.Date date, double time) { String format = "yyyy-MM-dd"; SimpleDateFormat sf = new SimpleDateFormat(format); String dateStr = sf.format(date); Double d = new Double(time); String timeStr = String.valueOf(d.intValue()) + ":00:00"; return dateStr + " " + timeStr; } public static int diffDateM(java.util.Date sd, java.util.Date ed) throws ParseException { Calendar c_sd = Calendar.getInstance(); Calendar c_ed = Calendar.getInstance(); c_sd.setTime(sd); c_ed.setTime(ed); return (c_ed.get(1) - c_sd.get(1)) * 12 + c_ed.get(2) - c_sd.get(2) + 1; } public static int diffDateD(java.util.Date sd, java.util.Date ed) throws ParseException { return Math.round((float)(ed.getTime() - sd.getTime()) / 86400000.0F) + 1; } public static int diffDateM(int sym, int eym) throws ParseException { return (Math.round(eym / 100.0F) - Math.round(sym / 100.0F)) * 12 + ( eym % 100 - sym % 100) + 1; } public static java.sql.Date getNextMonthFirstDate(java.sql.Date date) throws ParseException { Calendar scalendar = new GregorianCalendar(); scalendar.setTime(date); scalendar.add(2, 1); scalendar.set(5, 1); return new java.sql.Date(scalendar.getTime().getTime()); } public static java.util.Date getNextMonthDate(java.util.Date date) { Calendar calendar = Calendar.getInstance(); calendar.setTime(date); calendar.add(2, 1); return calendar.getTime(); } public static java.sql.Date getFrontDateByDayCount(java.sql.Date date, int dayCount) throws ParseException { Calendar scalendar = new GregorianCalendar(); scalendar.setTime(date); scalendar.add(5, -dayCount); return new java.sql.Date(scalendar.getTime().getTime()); } public static java.util.Date getFirstDay(String year, String month) throws ParseException { SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); return format.parse(year + "-" + month + "-1"); } public static java.util.Date getFirstDay(int year, int month) throws ParseException { SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); return format.parse(year + "-" + month + "-1"); } public static java.util.Date getFirstDay(java.util.Date date) { Calendar c = Calendar.getInstance(); c.setTime(date); c.set(5, 1); return c.getTime(); } public static java.util.Date getLastDay(String year, String month) throws ParseException { SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); java.util.Date date = format.parse(year + "-" + month + "-1"); Calendar scalendar = new GregorianCalendar(); scalendar.setTime(date); scalendar.add(2, 1); scalendar.add(5, -1); date = scalendar.getTime(); return date; } public static java.util.Date getLastDay(int year, int month) throws ParseException { SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); java.util.Date date = format.parse(year + "-" + month + "-1"); Calendar scalendar = new GregorianCalendar(); scalendar.setTime(date); scalendar.add(2, 1); scalendar.add(5, -1); date = scalendar.getTime(); return date; } public static java.util.Date getLastDay(java.util.Date date) { Calendar c = Calendar.getInstance(); c.setTime(date); c.set(5, 1); c.roll(5, false); return c.getTime(); } public static String getTodayStr() throws ParseException { Calendar calendar = Calendar.getInstance(); return getDateStr(calendar.getTime()); } public static java.util.Date getToday() throws ParseException { return new java.util.Date(System.currentTimeMillis()); } public static String getTodayAndTime() { return new Timestamp(System.currentTimeMillis()).toString(); } public static String getTodayC() throws ParseException { Calendar calendar = Calendar.getInstance(); return getDateStrC(calendar.getTime()); } public static int getThisYearMonth() throws ParseException { Calendar today = Calendar.getInstance(); return today.get(1) * 100 + today.get(2) + 1; } public static int getYearMonth(java.util.Date date) throws ParseException { Calendar c = Calendar.getInstance(); c.setTime(date); return c.get(1) * 100 + c.get(2) + 1; } public static int getDistinceYear(String beforedate, String afterdate) throws ParseException { SimpleDateFormat d = new SimpleDateFormat("yyyy-MM-dd"); int yearCount = 0; try { java.util.Date d1 = d.parse(beforedate); java.util.Date d2 = d.parse(afterdate); Calendar c1 = Calendar.getInstance(); c1.setTime(d1); Calendar c2 = Calendar.getInstance(); c2.setTime(d2); yearCount = c2.get(1) - c1.get(1); } catch (ParseException e) { log.info("Date parse error!"); } return yearCount; } public static long getDistinceMonth(String beforedate, String afterdate) throws ParseException { SimpleDateFormat d = new SimpleDateFormat("yyyy-MM-dd"); long monthCount = 0L; try { java.util.Date d1 = d.parse(beforedate); java.util.Date d2 = d.parse(afterdate); Calendar c1 = Calendar.getInstance(); c1.setTime(d1); Calendar c2 = Calendar.getInstance(); c2.setTime(d2); monthCount = (c2.get(1) - c1.get(1)) * 12 + c2.get(2) - c1.get(2); } catch (ParseException e) { log.info("Date parse error!"); } return monthCount; } public static double getDistinceMonth1(java.util.Date beforedate, java.util.Date afterdate) throws ParseException { double monthCount = 0.0D; if ((beforedate != null) && (afterdate != null)) { try { long dayCount = (afterdate.getTime() - beforedate.getTime()) / 86400000L; monthCount = (float)(dayCount + 1L) / 28.0F; } catch (Exception e) { log.info("Date parse error!"); } } return monthCount; } public static long getDistinceDay(String beforedate, String afterdate) throws ParseException { SimpleDateFormat d = new SimpleDateFormat("yyyy-MM-dd"); long dayCount = 0L; try { java.util.Date d1 = d.parse(beforedate); java.util.Date d2 = d.parse(afterdate); dayCount = (d2.getTime() - d1.getTime()) / 86400000L; } catch (ParseException e) { log.info("Date parse error!"); } return dayCount; } public static long getDistinceDay(java.util.Date beforedate, java.util.Date afterdate) throws ParseException { long dayCount = 0L; try { dayCount = (afterdate.getTime() - beforedate.getTime()) / 86400000L; } catch (Exception e) { log.info("Date parse error!"); } return dayCount; } public static long getDistinceDay(java.sql.Date beforedate, java.sql.Date afterdate) throws ParseException { long dayCount = 0L; try { dayCount = (afterdate.getTime() - beforedate.getTime()) / 86400000L; } catch (Exception e) { log.info("Date parse error!"); } return dayCount; } public static long getDistinceDay(String beforedate) throws ParseException { return getDistinceDay(beforedate, getTodayStr()); } public static long getDistinceTime(String beforeDateTime, String afterDateTime) throws ParseException { long timeCount = 0L; try { java.util.Date d1 = parseDate(beforeDateTime); java.util.Date d2 = parseDate(afterDateTime); timeCount = (d2.getTime() - d1.getTime()) / 3600000L; } catch (ParseException e) { log.info("Date parse error!"); throw e; } return timeCount; } public static long getDistinceTime(String beforeDateTime) throws ParseException { return getDistinceTime(beforeDateTime, DateFormat.getDateInstance().format(new Timestamp(System.currentTimeMillis()))); } public static long getDistinceMinute(String beforeDateTime, String afterDateTime) throws ParseException { SimpleDateFormat d = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); long timeCount = 0L; try { java.util.Date d1 = d.parse(beforeDateTime); java.util.Date d2 = d.parse(afterDateTime); timeCount = (d2.getTime() - d1.getTime()) / 60000L; } catch (ParseException e) { log.info("Date parse error!"); throw e; } return timeCount; } public static long getDistinceMinute(String afterDateTime) throws ParseException { return getDistinceMinute(DateFormat.getDateInstance().format( new Timestamp(System.currentTimeMillis())), afterDateTime); } public static boolean isOvertime(String beforeDateTime, String timeCount) { boolean exceed = false; try { long count1 = Long.parseLong(timeCount); long count2 = getDistinceTime(beforeDateTime); if (count1 < count2) exceed = true; } catch (Exception ex) { ex.printStackTrace(); } return exceed; } public static String getTimestamStr(Timestamp timestamp) { SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); return format.format(timestamp); } public static String getTimeStr(Time time) { SimpleDateFormat format = new SimpleDateFormat("HH:mm:ss"); return format.format(time); } public static boolean isBeforeCheckDate(String checkdate, java.util.Date auditDate) throws ParseException { try { cd = new java.util.Date(parseDate(checkdate).getTime()); } catch (ParseException ex) { java.util.Date cd; log.info(ex); return false; } java.util.Date cd; return isBeforeCheckDate(cd, auditDate); } private static boolean isBeforeCheckDate(java.util.Date checkdate, java.util.Date auditDate) throws ParseException { return auditDate.before(checkdate); } public static String format(java.util.Date date, String formatText) throws Exception { SimpleDateFormat format = new SimpleDateFormat(formatText); return format.format(date); } public static int getDaysOfMonth(java.util.Date startdate, java.util.Date enddate, String month) throws Exception { Calendar cs = Calendar.getInstance(); cs.setTime(startdate); Calendar ce = Calendar.getInstance(); ce.setTime(enddate); int startmonth = cs.get(2) + 1; int endmonth = ce.get(2) + 1; int m = Integer.parseInt(month); java.util.Date ld = getLastDay(String.valueOf(cs.get(1)), month); Calendar c = Calendar.getInstance(); c.setTime(ld); int day = c.get(5); if ((startmonth < m) && (m < endmonth)) return day; if (m == startmonth) { return day - cs.get(5); }if (m == endmonth) { return ce.get(5); } return 0; } public static int diffDateH(String beforeDateTime, String afterDateTime) throws ParseException { SimpleDateFormat d = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); int HourCount = 0; try { java.util.Date d1 = d.parse(beforeDateTime); java.util.Date d2 = d.parse(afterDateTime); HourCount = Math.round((float)(d2.getTime() - d1.getTime()) / 86400000.0F * 100.0F) / 100; } catch (ParseException e) { log.info("Date parse error!"); throw e; } return HourCount; } public static java.util.Date getNextDateByYearCount(java.util.Date date, int yearCount) throws ParseException { Calendar scalendar = Calendar.getInstance(); scalendar.setTime(date); scalendar.add(1, yearCount); return scalendar.getTime(); } public static java.util.Date getNextDateByMonthCount(java.util.Date date, int monthCount) throws ParseException { Calendar scalendar = Calendar.getInstance(); scalendar.setTime(date); scalendar.add(2, monthCount); return scalendar.getTime(); } public static java.util.Date getNextDateByDayCount(java.util.Date date, int dayCount) throws ParseException { Calendar scalendar = Calendar.getInstance(); scalendar.setTime(date); scalendar.add(5, dayCount); return scalendar.getTime(); } public static java.util.Date getNextDateByMinuteCount(java.util.Date date, int minuteCount) throws ParseException { Calendar scalendar = Calendar.getInstance(); scalendar.setTime(date); scalendar.add(12, minuteCount); return scalendar.getTime(); } public static long getDiffTime(java.util.Date beforeTime, java.util.Date afterTime) { try { String beforeTimeStr = format(beforeTime, "HH:mm:ss"); String afterTimeStr = format(afterTime, "HH:mm:ss"); java.util.Date bTime = parseTime(beforeTimeStr); java.util.Date aTime = parseTime(afterTimeStr); long diff = aTime.getTime() - bTime.getTime(); return diff; } catch (Exception e) { e.printStackTrace(); } return 0L; } public static long getDiffDateTime(java.util.Date beforeTime, java.util.Date afterTime) { try { long diff = afterTime.getTime() - beforeTime.getTime(); return diff; } catch (Exception e) { e.printStackTrace(); } return 0L; }}
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