package com.xfc.utils;// TODO
import java.sql.Date;
import java.sql.Timestamp;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;
/**
* Time工具类
*
* @author Anthony
*/
public class TimeUtils {
public static final int DECEMBER = 12; // 12 months
public static final String[] MONTHS = {"1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12"}; // months
public static final long DAYMILLI = 24 * 60 * 60 * 1000; // the number of milliseconds in a day
public static final long HOURMILLI = 60 * 60 * 1000; // the number of milliseconds in an hour
public static final long MINUTEMILLI = 60 * 1000; // the number of milliseconds in a minute
public static final long SECONDMILLI = 1000; // the number of milliseconds in a second
public static final String DB_DATE_PATTERN_41 = "MM/dd";
public static final String DB_DATE_PATTERN_42 = "MM-dd";
public static final String DB_DATE_PATTERN_61 = "yyyy/MM";
public static final String DB_DATE_PATTERN_62 = "yyyy-MM";
public static final String DB_DATE_PATTERN_81 = "yyyy/MM/dd"; // date with format "/"
public static final String DB_DATE_PATTERN_82 = "yyyy-MM-dd"; // date with format "-"
public static final String DB_TIME_PATTERN_F1 = "yyyy/MM/dd HH:mm:ss"; // date format with "/" and time accurate to second
public static final String DB_TIME_PATTERN_F2 = "yyyy-MM-dd HH:mm:ss"; // date with format "-" and time accurate to second
public static final String DB_TIME_PATTERN_H1 = "yyyy/MM/dd HH:mm:ss.SSS"; // date format with "/" and time accurate to millisecond
public static final String DB_TIME_PATTERN_H2 = "yyyy-MM-dd HH:mm:ss.SSS"; // date format with "-" and time accurate to millisecond
public static final String DB_TIME_PATTERN_06 = "HH:mm:ss"; // time accurate to second
public static final String DB_TIME_PATTERN_09 = "HH:mm:ss.SSS"; // time accurate to millisecond
public static final String DATE_FMT_40 = "yyyy"; // unformatted year
public static final String DATE_FMT_60 = "yyMMdd"; // unformatted (abbreviated year) date
public static final String DATE_FMT_61 = "yyyyMM"; // unformatted year and month
public static final String DATE_FMT_62 = "yyMMddHH"; // unformatted (abbreviated year) date and time accurate to hour
public static final String DATE_FMT_64 = "yyMMddHHmm"; // unformatted (abbreviated year) date and time accurate to minute
public static final String DATE_FMT_66 = "yyMMddHHmmss"; // unformatted (abbreviated year) date and time accurate to second
public static final String DATE_FMT_69 = "yyMMddHHmmssSSS"; // unformatted (abbreviated year) date and time accurate to millisecond
public static final String DATE_FMT_80 = "yyyyMMdd"; // unformatted year month and date
public static final String DATE_FMT_86 = "yyyyMMddHHmmss"; // unformatted time accurate to second
public static final String DATE_FMT_89 = "yyyyMMddHHmmssSSS"; // unformatted time accurate to millisecond
public static final String DATE_FMT_04 = "HHmm"; // unformatted hour and minute
public static final String DATE_FMT_06 = "HHmmss"; // unformatted hour minute and second
public static final String DATE_FMT_28 = "ddHHmmss"; // unformatted date hour minute and second
/**
* To format the current time
*
* @param sFmtTo
* @return
*/
public static String formatDate(String sFmtTo) {
try {
SimpleDateFormat formatter = new SimpleDateFormat(sFmtTo);
String sRet = formatter.format(new Date(System.currentTimeMillis()));
return sRet;
} catch (Exception ex) {
return "";
}
}
/**
* To format the time appointed
*
* @param sDate --> date string value
* @param sFmtTo --> format style
* @return
*/
public static String formatDate(Date sDate, String sFmtTo) {
if (sDate == null || "".equals(sDate))
return "";
try {
SimpleDateFormat sdfTo = new SimpleDateFormat(sFmtTo);
return sdfTo.format(sDate);
} catch (Exception ex) {
return "";
}
}
/**
* To format the time appointed
*
* @param sDate --> date string value
* @param sFmtFrom -- > current format style
* @param sFmtTo --> expected format style
* @return
*/
public static String formatDate(String sDate, String sFmtFrom, String sFmtTo) {
if (sDate == null || "".equals(sDate))
return "";
if (sFmtFrom.equals(sFmtTo))
return sDate;
try {
SimpleDateFormat sdfFrom = new SimpleDateFormat(sFmtFrom);
java.util.Date dt = sdfFrom.parse(sDate);
SimpleDateFormat sdfTo = new SimpleDateFormat(sFmtTo);
return sdfTo.format(dt);
} catch (Exception ex) {
return sDate;
}
}
/**
* To count days
*
* @param fromDate --> beginning date
* @param endDate --> ending date
* @param sFmtFrom --> current date format style
* @return
*/
public static long countDays(String fromDate, String endDate, String sFmtFrom) {
Timestamp t1 = Timestamp.valueOf(formatDate(fromDate, sFmtFrom, DB_TIME_PATTERN_H2));
Timestamp t2 = Timestamp.valueOf(formatDate(endDate, sFmtFrom, DB_TIME_PATTERN_H2));
return (t2.getTime() - t1.getTime()) / DAYMILLI + 1;
}
/**
* To count hours
*
* @param fromDate --> beginning date
* @param endDate --> ending date
* @param sFmtFrom --> current date format style
* @return
*/
public static long countHours(String fromDate, String endDate, String sFmtFrom) {
Timestamp t1 = Timestamp.valueOf(formatDate(fromDate, sFmtFrom, DB_TIME_PATTERN_H2));
Timestamp t2 = Timestamp.valueOf(formatDate(endDate, sFmtFrom, DB_TIME_PATTERN_H2));
return (t2.getTime() - t1.getTime()) / HOURMILLI + 1;
}
/**
* To count minutes
*
* @param fromDate --> beginning date
* @param endDate --> ending date
* @param sFmtFrom --> current date format style
* @return
*/
public static long countMinutes(String fromDate, String endDate, String sFmtFrom) {
if (fromDate.trim() == "" || endDate.trim() == "")
return 0;
Timestamp t1 = Timestamp.valueOf(formatDate(fromDate, sFmtFrom, DB_TIME_PATTERN_H2));
Timestamp t2 = Timestamp.valueOf(formatDate(endDate, sFmtFrom, DB_TIME_PATTERN_H2));
return (t2.getTime() - t1.getTime()) / MINUTEMILLI + 1;
}
/**
* To count seconds
*
* @param fromDate --> beginning date
* @param endDate --> ending date
* @param sFmtFrom --> current date format style
* @return
*/
public static long countSeconds(String fromDate, String endDate, String sFmtFrom) {
Timestamp t1 = Timestamp.valueOf(formatDate(fromDate, sFmtFrom, DB_TIME_PATTERN_H2));
Timestamp t2 = Timestamp.valueOf(formatDate(endDate, sFmtFrom, DB_TIME_PATTERN_H2));
return (t2.getTime() - t1.getTime()) / SECONDMILLI + 1;
}
/**
* To count milliseconds
*
* @param fromDate --> beginning date
* @param endDate --> ending date
* @param sFmtFrom --> current date format style
* @return
*/
public static long countMillions(String fromDate, String endDate, String sFmtFrom) {
Timestamp t1 = Timestamp.valueOf(formatDate(fromDate, sFmtFrom, DB_TIME_PATTERN_H2));
Timestamp t2 = Timestamp.valueOf(formatDate(endDate, sFmtFrom, DB_TIME_PATTERN_H2));
return t2.getTime() - t1.getTime() + 1;
}
/**
* 给定的时间加上固定的年
*
* @param years
* @param sFmtTo
* @return
*/
public static String addYears(int years, String sFmtTo) {
String date = "";
try {
SimpleDateFormat dateFormat = new SimpleDateFormat(sFmtTo);
Calendar calendar = dateFormat.getCalendar();
calendar.setTime(new Date(System.currentTimeMillis()));
calendar.set(Calendar.YEAR, calendar.get(Calendar.YEAR) + years);
date = dateFormat.format(calendar.getTime());
} catch (Exception ex) {
}
return date;
}
/**
* 给定的时间加上固定的年
*
* @param date
* @param years
* @param sFmtFrom
* @return
*/
public static String addYears(String date, int years, String sFmtFrom) {
if (date == null || date.equals(""))
return date;
if (years == 0)
return date;
try {
SimpleDateFormat dateFormat = new SimpleDateFormat(sFmtFrom);
Calendar calendar = dateFormat.getCalendar();
calendar.setTime(dateFormat.parse(date));
calendar.set(Calendar.YEAR, calendar.get(Calendar.YEAR) + years);
date = dateFormat.format(calendar.getTime());
} catch (Exception ex) {
}
return date;
}
/**
* 给定的时间加上固定的月
*
* @param months
* @param sFmtTo
* @return
*/
public static String addMonths(int months, String sFmtTo) {
String date = "";
try {
SimpleDateFormat dateFormat = new SimpleDateFormat(sFmtTo);
Calendar calendar = dateFormat.getCalendar();
calendar.setTime(new Date(System.currentTimeMillis()));
calendar.set(Calendar.MONTH, calendar.get(Calendar.MONTH) + months);
date = dateFormat.format(calendar.getTime());
} catch (Exception ex) {
}
return date;
}
/**
* 给定的时间加上固定的月
*
* @param date
* @param months
* @param sFmtFrom
* @return
*/
public static String addMonths(String date, int months, String sFmtFrom) {
if (date == null || date.equals(""))
return date;
if (months == 0)
return date;
try {
SimpleDateFormat dateFormat = new SimpleDateFormat(sFmtFrom);
Calendar calendar = dateFormat.getCalendar();
calendar.setTime(dateFormat.parse(date));
calendar.set(Calendar.MONTH, calendar.get(Calendar.MONTH) + months);
date = dateFormat.format(calendar.getTime());
} catch (Exception ex) {
}
return date;
}
/**
* 当前时间加上固定的天
*
* @param days
* @param sFmtTo
* @return
*/
public static String addDays(int days, String sFmtTo) {
String date = "";
try {
SimpleDateFormat dateFormat = new SimpleDateFormat(sFmtTo);
Calendar calendar = dateFormat.getCalendar();
calendar.setTime(new Date(System.currentTimeMillis()));
calendar.set(Calendar.DAY_OF_MONTH, calendar.get(Calendar.DAY_OF_MONTH) + days);
date = dateFormat.format(calendar.getTime());
} catch (Exception ex) {
}
return date;
}
/**
* 当前时间加上固定的天
*
* @param date
* @param days
* @param sFmtFrom
* @return
*/
public static String addDays(String date, int days, String sFmtFrom) {
if ((date == null) || date.equals(""))
return "";
if (days == 0)
return date;
try {
SimpleDateFormat dateFormat = new SimpleDateFormat(sFmtFrom);
Calendar calendar = dateFormat.getCalendar();
calendar.setTime(dateFormat.parse(date));
calendar.set(Calendar.DAY_OF_MONTH, calendar.get(Calendar.DAY_OF_MONTH) + days);
date = dateFormat.format(calendar.getTime());
} catch (Exception ex) {
}
return date;
}
/**
* 给定的时间加上固定的小时
*
* @param date
* @param hours
* @param sFmtFrom
* @return
*/
public static String addHours(String date, int hours, String sFmtFrom) {
if ((date == null) || date.equals(""))
return "";
if (hours == 0)
return date;
try {
SimpleDateFormat dateFormat = new SimpleDateFormat(sFmtFrom);
Calendar calendar = dateFormat.getCalendar();
calendar.setTime(dateFormat.parse(date));
calendar.set(Calendar.HOUR_OF_DAY, calendar.get(Calendar.HOUR_OF_DAY) + hours);
date = dateFormat.format(calendar.getTime());
} catch (Exception ex) {
}
return date;
}
/**
* 给定的时间加上固定的分钟
*
* @param date
* @param minutes
* @param sFmtFrom
* @return
*/
public static String addMinutes(String date, int minutes, String sFmtFrom) {
if ((date == null) || date.equals(""))
return "";
if (minutes == 0)
return date;
try {
SimpleDateFormat dateFormat = new SimpleDateFormat(sFmtFrom);
Calendar calendar = dateFormat.getCalendar();
calendar.setTime(dateFormat.parse(date));
calendar.set(Calendar.MINUTE, calendar.get(Calendar.MINUTE) + minutes);
date = dateFormat.format(calendar.getTime());
} catch (Exception ex) {
}
return date;
}
public static String addSeconds(String date, int seconds, String sFmtFrom) {
if ((date == null) || date.equals(""))
return "";
if (seconds == 0)
return date;
try {
SimpleDateFormat dateFormat = new SimpleDateFormat(sFmtFrom);
Calendar calendar = dateFormat.getCalendar();
calendar.setTime(dateFormat.parse(date));
calendar.set(Calendar.SECOND, calendar.get(Calendar.SECOND) + seconds);
date = dateFormat.format(calendar.getTime());
} catch (Exception ex) {
}
return date;
}
/**
* 返回一周的第几天
*
* @return 1-7的一个数、如果失败则返回-1
*/
public static int getDayOFWeak(String date, String sFmtFrom) {
if ((date == null) || (date.equals("")))
return -1;
try {
SimpleDateFormat dateFormat = new SimpleDateFormat(sFmtFrom);
Calendar calendar = dateFormat.getCalendar();
calendar.setTime(dateFormat.parse(date));
return calendar.get(Calendar.DAY_OF_WEEK);
} catch (Exception ex) {
return -1;
}
}
/**
* 返回一年的第几周
*
* @return 1-52的一个数、如果失败返回-1
*/
public static int getWeekOfYear(String date, String sFmtFrom) {
if ((date == null) || date.equals(""))
return -1;
try {
SimpleDateFormat dateFormat = new SimpleDateFormat(sFmtFrom);
Calendar calendar = dateFormat.getCalendar();
calendar.setTime(dateFormat.parse(date));
return calendar.get(Calendar.WEEK_OF_YEAR);
} catch (Exception ex) {
return -1;
}
}
/**
* 返回一个月的天数
*
* @param year
* @param month
* @return
*/
public static int getMonthLength(int year, int month) {
if (month == 2) {
if ((year % 4 == 0 && year % 100 != 0) || (year % 400 == 0))
return 29;
else
return 28;
}
if (month == 4 || month == 6 || month == 9 || month == 11)
return 30;
else
return 31;
}
/**
* 返回上个月的最后一天
*
* @param date61
* @return DATE_FMT_80
*/
public static String getLastMonEndDay(String date61) {
return addDays(date61 + "01", -1, DATE_FMT_80);
}
/**
* 返回下个月的头一天
*
* @param date61
* @return DATE_FMT_80
*/
public static String getNextMonBeginDay(String date61) {
return addMonths(date61, 1, DATE_FMT_61) + "01";
}
/**
* 取得一年的月份列表
*
* @return [1.2.3......12]
*/
public static List<String> getYearMonthList() {
List<String> monthList = new ArrayList<String>();
for (int i = 1; i < 13; i++)
monthList.add(String.valueOf(i));
return monthList;
}
/**
* 取得当前日期的某个位置的值，如年、月、日等等
*
* @param descFmt
* @return
*/
public static int getSingleTime(String descFmt) {
Calendar instance = Calendar.getInstance();
if (descFmt.equals("Y"))
return instance.get(Calendar.YEAR);
else if (descFmt.equals("M"))
return instance.get(Calendar.MONTH) + 1;
else if (descFmt.equals("dd"))
return instance.get(Calendar.DAY_OF_MONTH);
else if (descFmt.equals("d"))
return instance.get(Calendar.DAY_OF_WEEK);
else if (descFmt.equals("HH"))
return instance.get(Calendar.HOUR_OF_DAY);
else if (descFmt.equals("H"))
return instance.get(Calendar.HOUR);
else if (descFmt.equals("m"))
return instance.get(Calendar.MINUTE);
else if (descFmt.equals("s"))
return instance.get(Calendar.SECOND);
else if (descFmt.equals("S"))
return instance.get(Calendar.MILLISECOND);
return 0;
}
public static int getSingleTime(String date, String sFmtFrom, String descFmt) {
SimpleDateFormat dateFormat = new SimpleDateFormat(sFmtFrom);
Calendar instance = dateFormat.getCalendar();
try {
instance.setTime(dateFormat.parse(date));
} catch (Exception ex) {
return 0;
}
if (descFmt.equals("Y"))
return instance.get(Calendar.YEAR);
else if (descFmt.equals("M"))
return instance.get(Calendar.MONTH) + 1;
else if (descFmt.equals("dd"))
return instance.get(Calendar.DAY_OF_MONTH);
else if (descFmt.equals("d"))
return instance.get(Calendar.DAY_OF_WEEK);
else if (descFmt.equals("HH"))
return instance.get(Calendar.HOUR_OF_DAY);
else if (descFmt.equals("H"))
return instance.get(Calendar.HOUR);
else if (descFmt.equals("m"))
return instance.get(Calendar.MINUTE);
else if (descFmt.equals("s"))
return instance.get(Calendar.SECOND);
else if (descFmt.equals("S"))
return instance.get(Calendar.MILLISECOND);
return 0;
}
/**
* 判断是否为闰年
*
* @param year
* @return
*/
public static boolean isLeapYear(int year) {
if (year % 100 != 0 && year % 4 == 0)
return true;
else if (year % 400 == 0)
return true;
return false;
}
/**
* 连接年月日形成日期形式
*
* @param year
* @param month
* @param day
* @param partten
* @return
*/
public static String dateJoin(String year, String month, String day, String partten) {
String date = (year == null) ? "" : year;
if (month != null) {
date = date + partten + ((month.length() == 1) ? "0" + month : month);
if (day != null)
date = date + partten + ((day.length() == 1) ? "0" + day : day);
}
return date;
}
/**
* 判断给定的日期是否在范围内，前闭后开
*
* @param date
* @param fromDate
* @param endDate
* @return
*/
public static boolean dateBetween(String date, String fromDate, String endDate) {
if (date.compareTo(fromDate) < 0)
return false;
if (date.compareTo(endDate) >= 0)
return false;
return true;
}
/**
* 时间差，返回字串格式
*
* @param fromDate
* @param endDate
* @param sFmtFrom
* @return ?d?h?min?s
*/
public static String dateDiff(String fromDate, String endDate, String sFmtFrom) {
Timestamp t1 = Timestamp.valueOf(formatDate(fromDate, sFmtFrom, DB_TIME_PATTERN_H2));
Timestamp t2 = Timestamp.valueOf(formatDate(endDate, sFmtFrom, DB_TIME_PATTERN_H2));
long between = (t2.getTime() - t1.getTime());
long day = between / DAYMILLI;
long hour = between % DAYMILLI / HOURMILLI;
long minute = between % HOURMILLI / MINUTEMILLI;
long second = between % MINUTEMILLI / SECONDMILLI;
return day + "d" + hour + "h" + minute + "min" + second + "s";
}
/**
* 按照指定的时间格式来格式化当前时间
*
* @param date --> 待格式化的时间 (yyyy-mm-dd hh:mm:ss.fffffffff)
* @param sFmtTo --> 时间格式
* @return 当前时间
*/
public static String getFormatTime(Timestamp date, String sFmtTo) {
if (date == null)
return null;
try {
SimpleDateFormat formatter = new SimpleDateFormat(sFmtTo);
String sRet = formatter.format(date);
return sRet;
} catch (Exception ex) {
return "";
}
}
/**
* 按照指定的格式来格式化当前的时间
*
* @return Timestamp
*/
public static Timestamp toSqlTimestamp() {
return Timestamp.valueOf(formatDate(DB_TIME_PATTERN_F2));
}
/**
* 按照指定的格式来格式化指定的时间
*
* @param date --> 待格式化的时间
* @param sFmtFrom --> 时间格式
* @return Timestamp
*/
public static Timestamp toSqlTimestamp(String date, String sFmtFrom) {
if (date == null || "".equals(date))
return null;
try {
return Timestamp.valueOf(formatDate(date, sFmtFrom, DB_TIME_PATTERN_F2));
} catch (Exception ex) {
return null;
}
}
public static boolean judgmentTimeFormat(String date, String sFmtFrom) {
boolean convertSuccess = true;
// 指定日期格式为四位年/两位月份/两位日期，注意yyyy/MM/dd区分大小写；
SimpleDateFormat format = new SimpleDateFormat(sFmtFrom);
try {
// 设置lenient为false.
// 否则SimpleDateFormat会比较宽松地验证日期，比如2007/02/29会被接受，并转换成2007/03/01
format.setLenient(false);
format.parse(date);
} catch (ParseException e) {
// e.printStackTrace();
// 如果throw java.text.ParseException或者NullPointerException，就说明格式不对
convertSuccess = false;
}
return convertSuccess;
}
public static String formatDateByLong(String recognitionTime) {
Long dateLong = Long.valueOf(recognitionTime);
String format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date(dateLong));
return format;
}
/**
* method Main() for test
*/
public static void main(String[] args) {
// System.out.println(TimeUtils.addYears("2013-03-01", -2,
// TimeUtils.DB_DATE_PATTERN_82));
// System.out.println(TimeUtils.dateDiff("2012-09-18 10:11:23",
// "2012-09-19 10:13:48", TimeUtils.DB_TIME_PATTERN_F2));
// System.out.println(TimeUtils.getSingleTime("2016-05-08",
// TimeUtils.DB_DATE_PATTERN_82, "dd"));
System.out.println("2016-05-20".compareTo("2016-05-10 10:10:10"));
System.out.println("2016-05-20".compareTo("2016-05-30 10:10:10"));
}
}
转载来源：https://www.cnblogs.com/xfc-exclave/p/10817819.html
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