spring DateUtil
2015-10-27 10:36
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public class DateUtil { private static final String PATTERN_DATE = "yyyy-MM-dd"; private static final String PATTERN_TIME = "HH:mm:ss"; private static final String PATTERN_DATETIME = "yyyy-MM-dd HH:mm:ss"; private static final String PATTERN_FULL = "yyyy-MM-dd HH:mm:ss.SSS"; public static final Date parse(String pattern, String source) { try { return new SimpleDateFormat(pattern, Locale.US).parse(source); } catch (ParseException e) { throw new RuntimeException("parse date error : ", e); } } public static final Date parseDateTime(String source) { try { return new SimpleDateFormat(PATTERN_DATETIME).parse(source); } catch (ParseException e) { throw new RuntimeException("parse date error : ", e); } } public static final Date parseDate(String source) { try { return new SimpleDateFormat(PATTERN_DATE).parse(source); } catch (ParseException e) { throw new RuntimeException("parse date error : ", e); } } public static final Date parseTime(String source) { try { return new SimpleDateFormat(PATTERN_TIME).parse(source); } catch (ParseException e) { throw new RuntimeException("parse date error : ", e); } } public static final Date parseFull(String source) { try { return new SimpleDateFormat(PATTERN_FULL).parse(source); } catch (ParseException e) { throw new RuntimeException("parse date error : ", e); } } public static final String format(String pattern, Date date) { return new SimpleDateFormat(pattern, Locale.US).format(date); } public static final String formatDateTime(Date date) { return new SimpleDateFormat(PATTERN_DATETIME).format(date); } public static final String formatDate(Date date) { return new SimpleDateFormat(PATTERN_DATE).format(date); } public static final String formatTime(Date date) { return new SimpleDateFormat(PATTERN_TIME).format(date); } public static final String formatFull(Date date) { return new SimpleDateFormat(PATTERN_FULL).format(date); } public static final String format(String outPatt, String inPatt, String source) { return format(outPatt, parse(inPatt, source)); } public static final String getTimestamp(String pattern) { return format(pattern, new Date()); } public static final int calDValueOfYear(Date fromDate, Date toDate) { Calendar sCal = Calendar.getInstance(); Calendar eCal = Calendar.getInstance(); sCal.setTime(fromDate); eCal.setTime(toDate); return eCal.get(Calendar.YEAR) - sCal.get(Calendar.YEAR); } public static final int calDValueOfMonth(Date fromDate, Date toDate) { Calendar sCal = Calendar.getInstance(); Calendar eCal = Calendar.getInstance(); sCal.setTime(fromDate); eCal.setTime(toDate); return 12 * (eCal.get(Calendar.YEAR) - sCal.get(Calendar.YEAR)) + (eCal.get(Calendar.MONTH) - sCal.get(Calendar.MONTH)); } public static final int calDValueOfDay(Date fromDate, Date toDate) { return (int) ((toDate.getTime() - fromDate.getTime()) / (1000 * 60 * 60 * 24)); } public static final Date getFirstDayOfMonth(Date date) { Calendar calendar = Calendar.getInstance(); calendar.setTime(date); calendar.set(Calendar.DAY_OF_MONTH, 1); calendar.set(Calendar.HOUR_OF_DAY, 0); calendar.set(Calendar.MINUTE, 0); calendar.set(Calendar.SECOND, 0); calendar.set(Calendar.MILLISECOND, 0); return calendar.getTime(); } public static final Date getFirstDayOfWeek(Date date) { return getFirstDayOfWeek(date, Calendar.MONDAY); } public static final Date getLastDayOfWeek(Date date) { return getLastDayOfWeek(date, Calendar.MONDAY); } public static final Date getFirstDayOfWeek(Date date, int firstDayOfWeek) { Calendar calendar = Calendar.getInstance(); calendar.setFirstDayOfWeek(firstDayOfWeek); calendar.setTime(date); calendar.set(Calendar.DAY_OF_WEEK, calendar.getFirstDayOfWeek()); calendar.set(Calendar.HOUR_OF_DAY, 0); calendar.set(Calendar.MINUTE, 0); calendar.set(Calendar.SECOND, 0); calendar.set(Calendar.MILLISECOND, 0); return calendar.getTime(); } public static final Date getLastDayOfWeek(Date date, int firstDayOfWeek) { Calendar calendar = Calendar.getInstance(); calendar.setFirstDayOfWeek(firstDayOfWeek); calendar.setTime(date); calendar.set(Calendar.DAY_OF_WEEK, calendar.getFirstDayOfWeek()); calendar.set(Calendar.HOUR_OF_DAY, 0); calendar.set(Calendar.MINUTE, 0); calendar.set(Calendar.SECOND, 0); calendar.set(Calendar.MILLISECOND, 0); calendar.add(Calendar.DAY_OF_YEAR, 7); calendar.add(Calendar.MILLISECOND, -1); return calendar.getTime(); } public static final Date[] getWeek(Date date) { return getWeek(date, Calendar.MONDAY); } public static final Date[] getWeek(Date date, int firstDayOfWeek) { Calendar calendar = Calendar.getInstance(); calendar.setFirstDayOfWeek(firstDayOfWeek); calendar.setTime(date); calendar.set(Calendar.DAY_OF_WEEK, calendar.getFirstDayOfWeek()); calendar.set(Calendar.HOUR_OF_DAY, 0); calendar.set(Calendar.MINUTE, 0); calendar.set(Calendar.SECOND, 0); calendar.set(Calendar.MILLISECOND, 0); Date firstDate = calendar.getTime(); calendar.add(Calendar.DAY_OF_YEAR, 7); calendar.add(Calendar.MILLISECOND, -1); Date lastDate = calendar.getTime(); return new Date[] { firstDate, lastDate }; } public static java.sql.Date toSQLDate(Date date) { return new java.sql.Date(date.getTime()); } public static java.sql.Date getSQLDate() { return new java.sql.Date(System.currentTimeMillis()); } public static java.sql.Timestamp getSQLTimestamp() { return new java.sql.Timestamp(System.currentTimeMillis()); } public static java.sql.Timestamp getTimestamp(int day) { return new java.sql.Timestamp(System.currentTimeMillis()+24*60*60*1000*day); } public static Date add(Date date, int field, int increment) { Calendar cal = Calendar.getInstance(); cal.setTime(date); cal.add(field, increment); return cal.getTime(); } public static Date set(Date date, int field, int value) { Calendar cal = Calendar.getInstance(); cal.setTime(date); cal.set(field, value); return cal.getTime(); } public static Long getMillisTime(){ return System.currentTimeMillis(); } public static void main(String[] args) { /*System.out.println(DateUtil.getTimestamp("yyyyMMdd")); String str=DateUtil.formatDate(DateUtil.add(new Date(), Calendar.DAY_OF_YEAR, -30)); System.out.println(str);*/ DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); df.format(new Date(1440000660125L)); System.out.println(Timestamp.valueOf(df.format(new Date(1440000660125L)))); } }
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