java处理日期的工具类DateUtil

网友投稿 655 2022-11-16


java处理日期的工具类DateUtil

java中处理日期的工具类DateUtil,供大家参考,具体内容如下

package com.leo.demo.othertest;

import org.slf4j.LoggerFactory;

import java.sql.Timestamp;

import java.text.DateFormat;

import java.text.ParseException;

import java.text.SimpleDateFormat;

import java.util.Calendar;

import java.util.Date;

import java.util.GregorianCalendar;

import java.util.logging.Logger;

/**

* 时间工具类

*/

public final class DateUtil {

private static Logger logger = (Logger) LoggerFactory.getLogger(DateUtil.class);

/**

* 日期格式

*/

public interface DATE_PATTERN {

String HHMMSS = "HHmmss";

String HH_MM_SS = "HH:mm:ss";

String HH_MM = "HH:mm";

String YYYY = "yyyy";

String YYYYMMDD = "yyyyMMdd";

String YYYYMM = "yyyyMM";

String YYYY_MM_DD = "yyyy-MM-dd";

String YYYYMMDDHHMMSS = "yyyyMMddHHmmss";

String YYYYMMDDHHMMSSSSS = "yyyyMMddHHmmssSSS";

String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";

}

/**

* 获取当前时间

*

* @return Timestamp对象

*/

public static Timestamp getCurrontTime() {

Timestamp sqlTimestamp = new Timestamp(new Date().getTime());

return sqlTimestamp;

}

/**

* 将Date类型转换成String类型

*

* @param date Date对象

* @return 形如:"yyyy-MM-dd HH:mm:ss"

*/

public static String date2String(Date date) {

return date2String(date, DATE_PATTERN.YYYY_MM_DD_HH_MM_SS);

}

/**

* 将Date按格式转化成String

*

* @param date Date对象

* @param pattern 日期类型

* @return String

*/

public static String date2String(Date date, String pattern) {

if (date == null || pattern == null) {

return null;

}

return new SimpleDateFormat(pattern).format(date);

}

/**

* 将String类型转换成Date类型

*

* @param date Date对象

* @return

*/

public static Date string2Date(String date) {

SimpleDateFormat format = new SimpleDateFormat(DATE_PATTERN.YYYY_MM_DD_HH_MM_SS);

try {

return format.parse(date);

} catch (ParseException e) {

return null;

}

}

/**

* 获取某日期N天后的日期

*

* @param datestr

* @param day

* @return

*/

public static Date getBeforeAfterDate(String datestr, int day) {

SimpleDateFormat df = new SimpleDateFormat(DATE_PATTERN.YYYY_MM_DD_HH_MM_SS);

java.sql.Date olddate = null;

try {

df.setLenient(false);

olddate = new java.sql.Date(df.parse(datestr).getTime());

} catch (ParseException e) {

throw new RuntimeException("日期转换错误");

}

Calendar cal = new GregorianCalendar();

cal.setTime(olddate);

int Year = cal.get(Calendar.YEAR);

int Month = cal.get(Calendar.MONTH);

int Day = cal.get(Calendar.DAY_OF_MONTH);

int NewDay = Day + day;

cal.set(Calendar.YEAR, Year);

cal.set(Calendar.MONTH, Month);

cal.set(Calendar.DAY_OF_MONTH, NewDay);

return new Date(cal.getTimeInMillis());

}

/**

* @return

* @Description: 获取当前日期的前一天

* @ReturnType String

* @author: liyl

* @Created 2015年11月13日 下午5:11:14

*/

public static Date currentBeforeDay() {

Calendar calendar = Calendar.getInstance();

calendar.setTime(new Date());

calendar.add(Calendar.DAY_OF_MONTH, -1);

return calendar.getTime();

}

/**

* @return

* @Description: 获取当前日期的后一天

* @ReturnType Date

* @author: liyl

* @Created 2015年11月13日 下午5:14:54

*/

public static Date currentNextDay() {

Calendar calendar = Calendar.getInstance();

calendar.setTime(new Date());

calendar.add(Calendar.DAY_OF_MONTH, 1);

return calendar.getTime();

}

/**

* 获取指定日期星期几(int)

*

* @param dt

* @return

*/

public static int getWeekOfInt(Date dt) {

int[] weekDays = {7, 1, 2, 3, 4, 5, 6};

Calendar cal = Calendar.getInstance();

cal.setTime(dt);

int w = cal.get(Calendar.DAY_OF_WEEK) - 1;

if (w < 0) {

w = 0;

}

return weekDays[w];

}

/**

* 获取指定日期星期几

*

* @param dt

* @return

*/

public static String getWeekOfDate(Date dt) {

String[] weekDays = {"星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"};

Calendar cal = Calendar.getInstance();

cal.setTime(dt);

int w = cal.get(Calendar.DAY_OF_WEEK) - 1;

if (w < 0) {

w = 0;

}

return weekDays[w];

}

/**

* 时间比大小

*

* @param DATE1

* @param DATE2

* @param pattern

* @return

*/

public static int compareDate(String DATE1, String DATE2, String pattern) {

DateFormat df = new SimpleDateFormat(pattern);

try {

Date dt1 = df.parse(DATE1);

Date dt2 = df.parse(DATE2);

if (dt1.getTime() > dt2.getTime()) {

System.out.println("dt1 在dt2前");

return 1;

} else if (dt1.getTime() < dt2.getTime()) {

System.out.println("dt1在dt2后");

return -1;

} else {

return 0;

}

} catch (Exception exception) {

exception.printStackTrace();

}

return 0;

}

/**

* 在一个时间上加上或减去分钟

*

* @param date long

* @param i int

* @return Date

*/

public static Date addOrMinusMinutes(Date date, int i) {

Date rtn = null;

GregorianCalendar cal = new GregorianCalendar();

cal.setTime(date);

cal.add(GregorianCalendar.MINUTE, i);

rtn = cal.getTime();

return rtn;

}

/**

* 按照指定格式返回格式好的当前日期

*

* @param dateFormat 默认yyyy-MM-dd

* @return

*/

public stathttp://ic String getCurrentDateString(String dateFormat) {

return DateUtil.format(new Date(), DATE_PATTERN.YYYY_MM_DD);

}

/**

* 说明 将日期格式化字符串,为null的返回空字符串

*

* @param date

* @return

*/

public static String format(Date date) {

if (null == date) return "";

SimpleDateFormat sf = new SimpleDateFormat(DATE_PATTERN.YYYY_MM_DD);

return sf.format(date);

}

/**

* 说明 将日期格式化字符串,为null的返回空字符串

*

* @param date 日期

* @param dateFormat 格式化字符串,比如:yyyy-MM-dd

* @return

*/

public static String format(Date date, String dateFormat) {

if (null == dateFormat || "".equals(dateFormat)) return DateUtil.format(date);

if (null == date) return "";

SimpleDateFormat sf = new SimpleDateFormat(dateFormat);

return sf.format(date);

}

/**

* @param source 要进行解析的源字符串

* @return

* @说明 将指定的字符串格解析成日期类型,格式默认为:yyyy-MM-dd

*/

public static Date parase(String source) {

SimpleDateFormat sf = new SimpleDateFormat(DATE_PATTERN.YYYY_MM_DD);

try {

return sf.parse(source);

} catch (ParseException e) {

e.printStackTrace();

}

return null;

}

/**

* @param source 要进行解析的源字符串

* @param dateFormat 要解析的日期格式。

* @return

* @说明 将指定的字符串格解析成日期类型 例:如果日期source=20131210,则dateFormat应为:yyyyMMdd,两个应对应

*/

public http://static Date parase(String source, String dateFormat) {

SimpleDateFormat sf = new SimpleDateFormat(dateFormat);

try {

return sf.parse(source);

} catch (ParseException e) {

e.printStackTrace();

}

return null;

}

/**

* @param date

* @param days

* @说明 对指定的日期增加或减少指定的天数

*/

public static Date addDays(Date date, int days) {

Calendar cal = Calendar.getInstance();

cal.setTime(date);

cal.add(Calendar.DAY_OF_MONTH, days);

return cal.getTime();

}

/**

* @param date

* @param days

* @说明 对指定的日期增加或减少指定的天数

*/

public static Calendar addDays(Calendar date, int days) {

date.add(Calendar.DAY_OF_MONTH, days);

return date;

}

/**

* @param date

* @param months

* @return

* @说明 对指定的日期增加或减少指定的月数

*/

public static Date addMonths(Date date, int months) {

Calendar cal = Calendar.getInstance();

cal.setTime(date);

cal.add(Calendar.MONTH, months);

return cal.getTime();

}

/**

* @param date

* @param months

* @return

* @说明 对指定的日期增加或减少指定的月数

*/

public static Calendar addMonths(Calendar date, int months) {

date.add(Calendar.MONTH, months);

return date;

}

/**

* @param date

* @param hours

* @return

* @说明 对指定的日期增加或减少指定的小时数

*/

public static Date addHours(Date date, int hours) {

Calendar cal = Calendar.getInstance();

cal.setTime(date);

cal.add(Calendar.HOUR_OF_DAY, hours);

return cal.ghttp://etTime();

}

/**

* 对指定的日期增加或减少指定的小时数

*

* @param date

* @param hours

* @return

*/

public static Calendar addHours(Calendar date, int hours) {

date.add(Calendar.HOUR_OF_DAY, hours);

return date;

}

/**

* 以字符串形式返回当前时间的毫秒数

*

* @return

*/

public static String getTimeMillions() {

Calendar cal = Calendar.getInstance();

long lt = cal.getTimeInMillis();

return String.valueOf(lt);

}

/**

* 获取当前月的第一天

*

* @return 当前月的第一天

*/

public static String getMonthFirstDay() {

SimpleDateFormat df = new SimpleDateFormat(DATE_PATTERN.YYYY_MM_DD);

Calendar calendar = Calendar.getInstance();

Date theDate = calendar.getTime();

GregorianCalendar gcLast = (GregorianCalendar) Calendar.getInstance();

gcLast.setTime(theDate);

gcLast.set(Calendar.DAY_OF_MONTH, 1);

String day_first = df.format(gcLast.getTime());

StringBuffer str = new StringBuffer().append(day_first);

return str.toString();

}

/**

* 获取当前月的最后一天

*

* @return 当前月的最后一天

*/

public static String getMonthLastDay() {

Calendar calendar = Calendar.getInstance();

// 最后一天

int maxday = calendar.getActualMaximum(Calendar.DATE);

calendar.set(Calendar.DATE, maxday);

SimpleDateFormat df = new SimpleDateFormat(DATE_PATTERN.YYYY_MM_DD);

Date theDate = calendar.getTime();

String s = df.format(theDate);

StringBuffer str = new StringBuffer().append(s);

return str.toString();

}

/**

* 获取当前月的第一天,精确到时分秒

*

* @return 当前月的第一天,精确到时分秒

*/

public static Date getFirstDayOfMonth() {

Calendar calendar = Calendar.getInstance();

calendar.add(Calendar.MONTH, 0);

calendar.set(Calendar.DAY_OF_MONTH, 1);

calendar.set(Calendar.HOUR_OF_DAY, 0);

calendar.set(Calendar.MINUTE, 0);

calendar.set(Calendar.SECOND, 0);

Date date = calendar.getTime();

return date;

}

/**

* 获得往数据库字段类型为Date型时,插入的时间

*

* @param date 默认为当前日期,如果为空时 方法会自动new Date()

* @param dateFormat 默认为yyyy-MM-dd

* @return

*/

public static java.sql.Date paraseSqlDate(String date, String dateFormat) {

try {

if (date == null || date.length() == 0) {

return new java.sql.Date(new Date().getTime());

} else {

if (dateFormat == null) dateFormat = DateUtil.DATE_PATTERN.YYYY_MM_DD;

SimpleDateFormat sf = new SimpleDateFormat(dateFormat);

Date d = sf.parse(date);

return new java.sql.Date(d.getTime());

}

} catch (Exception e) {

// TODO: handle exception

}

return null;

}

/**

* 将日期按照特定格式转换成字符串

*

* @param date

* @param pattern

* @return

*/

public static String formatString(Date date, String pattern) {

SimpleDateFormat dateFormat = new SimpleDateFormat(pattern);

return dateFormat.format(date);

}

/**

* 将日期字符串转换为日期

*

* @param strDate

* @param mask

* @return

* @throws ParseException

*/

public static Timestamp convertStringToTimestamp(String strDate, String mask) throws ParseException {

SimpleDateFormat df;

Date date = null;

df = new SimpleDateFormat(mask);

try {

date = df.parse(strDate);

return new Timestamp(date.getTime());

} catch (ParseException pe) {

throw new ParseException(pe.getMessage(), pe.getErrorOffset());

}

}

/**

* 月份相加 add by yuanjq

*

* @param timest1

* @param month

* @return

*/

public static Timestamp DateAddMonth(Timestamp timest1, int month) {

Calendar cal = Calendar.getInstance();

cal.setTime(timest1);

cal.add(Calendar.MONTH, month);

return new Timestamp(cal.getTimeInMillis());

}

/**

* 对输入的日期进行格式化, 如果输入的日期是null则返回空串.

* FrameWork使用

*

* @param dtDate java.sql.Timestamp 需要进行格式化的日期字符串

* @param strFormatTo String 要转换的日期格式

* @return String 经过格式化后的字符串

*/

public static String getFormattedDate(java.sql.Timestamp dtDate,

String strFormatTo) {

if (dtDate == null) {

return "";

}

if (dtDate.equals(new java.sql.Timestamp(0))) {

return "";

}

String newStrFormateTo = strFormatTo;

newStrFormateTo = newStrFormateTo.replace('/', '-');

SimpleDateFormat formatter = new SimpleDateFormat("yyyy");

if (Integer.parseInt(formatter.format(dtDate)) < 1900) {

return "";

} else {

formatter = new SimpleDateFormat(newStrFormateTo);

return formatter.format(dtDate);

}

}

/**

* 获取当前时间年月日

*

* @return

*/

public static String getCurrentDateYMR() {

SimpleDateFormat sdf = new SimpleDateFormat(DATE_PATTERN.YYYYMMDD);

return sdf.format(System.currentTimeMillis());

}

/**

* 根据字符串以及格式化方式获取date对象

*

* @param strDate

* @param strFormat

* @return

* @throws ParseException

*/

public static Date getDate(String strDate, String strFormat) throws ParseException {

SimpleDateFormat format = new SimpleDateFormat(strFormat);

Date date = format.parse(strDate);

return date;

}

/**

* 根据字符串以及格式化方式获取时间戳

*

* @param strDate

* @param strFormat

* @return

* @throws ParseException

*/

public static Timestamp getTimestamp(String strDate, String strFormat) throws ParseException {

Date date = getDate(strDate, strFormat);

Timestamp timestamp = new Timestamp(date.getTime());

return timestamp;

}

/**

* 根据Date获取格式化后的字符串

*

* @param date

* @param strFormat

* @return

* @throws ParseException

*/

public static String getStringDate(Date date, String strFormat) throws ParseException {

if (date == null) {

return "";

}

SimpleDateFormat format = new SimpleDateFormat(strFormat);

String strDate = format.format(date);

return strDate;

}

/**

* 根据时间戳格式化时间

*

* @param timestamp

* @param strFormat

* @return

* @throws ParseException

*/

public static String getStringTimestamp(Timestamp timestamp, String strFormat) throws ParseException {

if (timestamp == null) {

return "";

}

String strTimestamp = getStringDate((Date) timestamp, strFormat);

return strTimestamp;

}

/**

* 根据时间戳偏移几个月

*

* @param timestamp

* @param months

* @return

* @throws ParseException

*/

public static Timestamp addMonth(Timestamp timestamp, int months) throws ParseException {

GregorianCalendar grc = new GregorianCalendar();

grc.setTime((Date) timestamp);

grc.add(GregorianCalendar.MONTH, months);

return new Timestamp(grc.getTime().getTime());

}

/**

* 根据时间戳偏移几年

*

* @param timestamp

* @param years

* @return

* @throws ParseException

*/

public static Timestamp addYear(Timestamp timestamp, int years) throws ParseException {

GregorianCalendar grc = new GregorianCalendar();

grc.setTime((Date) timestamp);

grc.add(GregorianCalendar.YEAR, years);

return new Timestamp(grc.getTime().getTime());

}

/**

* 根据时间戳偏移几天

*

* @param timestamp

* @param days

* @return

* @throws ParseException

*/

public static Timestamp addDay(Timestamp timestamp, int days) throws ParseException {

GregorianCalendar grc = new GregorianCalendar();

grc.setTime((Date) timestamp);

grc.add(GregorianCalendar.DAY_OF_MONTH, days);

return new Timestamp(grc.getTime().getTime());

}

/**

* 根据时间戳偏移几小时

*

* @param timestamp

* @param hours

* @return

* @throws ParseException

*/

public static Timestamp addHour(Timestamp timestamp, int hours) throws ParseException {

GregorianCalendar grc = new GregorianCalendar();

grc.setTime((Date) timestamp);

grc.add(GregorianCalendar.HOUR_OF_DAY, hours);

return new Timestamp(grc.getTime().getTime());

}

/**

* 根据时间戳偏移几分钟

*

* @param timestamp

* @param minutes

* @return

* @throws ParseException

*/

public static Timestamp addMinute(Timestamp timestamp, int minutes) throws ParseException {

GregorianCalendar grc = new GregorianCalendar();

grc.setTime((Date) timestamp);

grc.add(GregorianCalendar.MINUTE, minutes);

return new Timestamp(grc.getTime().getTime());

}

/**

* 根据时间戳偏移几秒钟

*

* @param timestamp

* @param seconds

* @return

* @throws ParseException

*/

public static Timestamp addSecond(Timestamp timestamp, int seconds) throws ParseException {

GregorianCalendar grc = new GregorianCalendar();

grc.setTime((Date) timestamp);

grc.add(GregorianCalendar.SECOND, seconds);

return new Timestamp(grc.getTime().getTime());

}

/**

* 根据时间的毫秒值格式化时间

*

* @param time

* @param strFormat

* @return

* @throws ParseException

*/

public static String getTime(String time, String strFormat) throws ParseException {

Timestamp endLogDateFormated = getTimestamp(time, strFormat);

String sTime = getStringTimestamp(endLogDateFormated, DATE_PATTERN.YYYYMMDD);

return sTime;

}

/**

* 转换时间格式化方式

*

* @param time

* @param strFormat

* @return

* @throws ParseException

*/

public static String getTimeNew(String time, String strFormat) throws ParseException {

Timestamp endLogDateFormated = getTimestamp(time, strFormat);

String sTime = getStringTimestamp(endLogDateFormated, DATE_PATTERN.YYYY_MM_DD_HH_MM_SS);

return sTime;

}

/**

* 根据传入的日期字符串转换成相应的日期对象,

* 如果字符串为空或不符合日期格式,则返回当前时间。

* FrameWork使用

*

* @param strDate String 日期字符串

* @return java.sql.Timestamp 日期对象

*/

public static java.sql.Timestamp getDateByString(String strDate) {

if (strDate.trim().equals("")) {

return getCurrentDate();

}

try {

strDate = getFormattedDate(strDate, DATE_PATTERN.YYYY_MM_DD_HH_MM_SS) + ".000000000";

return java.sql.Timestamp.valueOf(strDate);

} catch (Exception ex) {

return getCurrentDate();

}

}

/**

* 获取当前数据库时间

*

* @return

*/

public static Timestamp getCurrentDate() {

try {

SimpleDateFormat formatter = new SimpleDateFormat(DATE_PATTERN.YYYY_MM_DD_HH_MM_SS + ".0");

return Timestamp.valueOf(formatter.format(new Date()));

} catch (Exception e) {

return null;

}

}

/**

* 对输入的日期字符串进行格式化,

* 如果输入的是0000/00/00 00:00:00则返回空串.

* FrameWork使用

*

* @param strDate String 需要进行格式化的日期字符串

* @param strFormatTo String 要转换的日期格式

* @return String 经过格式化后的字符串

*/

public static String getFormattedDate(String strDate, String strFormatTo) {

if ((strDate == null) || strDate.trim().equals("")) {

return "";

}

strDate = strDate.replace('/', '-');

strFormatTo = strFormatTo.replace('/', '-');

ifsSnjswqpU (strDate.equals("0000-00-00 00:00:00") ||

strDate.equals("1800-01-01 00:00:00")) {

return "";

}

String formatStr = strFormatTo; //"yyyyMMdd";

if (strDate.trim().equals("")) { //(strDate == null) ||

return "";

}

switch (strDate.trim().length()) {

case 6:

if (strDate.substring(0, 1).equals("0")) {

formatStr = "yyMMdd";

} else {

formatStr = "yyyyMM";

}

break;

case 8:

formatStr = "yyyyMMdd";

break;

case 10:

if (strDate.indexOf("-") == -1) {

formatStr = "yyyy/MM/dd";

} else {

formatStr = "yyyy-MM-dd";

}

break;

case 11:

if (strDate.getBytes().length == 14) {

formatStr = "yyyy年MM月dd日";

} else {

return "";

}

break;

case 14:

formatStr = "yyyyMMddHHmmss";

break;

case 19:

if (strDate.indexOf("-") == -1) {

formatStr = "yyyy/MM/dd HH:mm:ss";

} else {

formatStr = "yyyy-MM-dd HH:mm:ss";

}

break;

case 21:

if (strDate.indexOf("-") == -1) {

formatStr = "yyyy/MM/dd HH:mm:ss.S";

} else {

formatStr = "yyyy-MM-dd HH:mm:ss.S";

}

break;

default:

return strDate.trim();

}

try {

SimpleDateFormat formatter = new SimpleDateFormat(formatStr);

Calendar calendar = Calendar.getInstance();

calendar.setTime(formatter.parse(strDate));

formatter = new SimpleDateFormat(strFormatTo);

return formatter.format(calendar.getTime());

} catch (Exception e) {

return "";

}

}

/**

* 处理微信日期

*

* @param date

* @return

*/

public static String dealWechatDate(String date) {

String result;

if (date == null || "".equals(date)) {

result = date;

} else if (date.indexOf(".") > -1) {

result = date.replace(".", "-");

} else if (date.indexOf("年") > -1) {

result = date.replace("年", "-").replace("月", "-").replace("日", "");

} else if (date.indexOf("-") > -1) {

result = date.replace("年", "-").replace("月", "-").replace("日", "");

} else {

result = date;

}

return result;

}

/**

* 获取两个日期相差的月数

*

* @param d1 较大的日期

* @param d2 较小的日期

* @return 如果d1>d2返回 月数差 否则返回0

*/

public static int monthsBetween(Date d1, Date d2) {

Calendar c1 = Calendar.getInstance();

Calendar c2 = Calendar.getInstance();

c1.setTime(d1);

c2.setTime(d2);

if (c1.getTimeInMillis() < c2.getTimeInMillis()) return 0;

int year1 = c1.get(Calendar.YEAR);

int year2 = c2.get(Calendar.YEAR);

int month1 = c1.get(Calendar.MONTH);

int month2 = c2.get(Calendar.MONTH);

int day1 = c1.get(Calendar.DAY_OF_MONTH);

int day2 = c2.get(Calendar.DAY_OF_MONTH);

// 获取年的差值 假设 d1 = 2015-8-16 d2 = 2011-9-30

int yearInterval = year1 - year2;

// 如果 d1的 月-日 小于 d2的 月-日 那么 yearInterval-- 这样就得到了相差的年数

if (month1 < month2 || month1 == month2 && day1 < day2) yearInterval--;

// 获取月数差值

int monthInterval = (month1 + 12) - month2;

if (day1 < day2) monthInterval--;

monthInterval %= 12;

return yearInterval * 12 + monthInterval;

}

/**

* 计算date2 - date1之间相差的天数

*

* @param date1

* @param date2

* @return 如果d1>d2返回 月数差 否则返回0

*/

public static int daysBetween(Date date1, Date date2) {

DateFormat sdf = new SimpleDateFormat(DATE_PATTERN.YYYYMMDD);

Calendar cal = Calendar.getInstance();

try {

Date d1 = sdf.parse(date2String(date1, DATE_PATTERN.YYYYMMDD));

Date d2 = sdf.parse(date2String(date2, DATE_PATTERN.YYYYMMDD));

cal.setTime(d1);

long time1 = cal.getTimeInMillis();

cal.setTime(d2);

long time2 = cal.getTimeInMillis();

return Integer.parseInt(String.valueOf((time2 - time1) / 86400000L));

} catch (Exception e) {

e.printStackTrace();

}

return 0;

}

/**

* 计算date2 - date1之间相差的分钟

*

* @param date1

* @param date2

* @return

*/

@SuppressWarnings("deprecation")

public static int minutesBetween(Date date1, Date date2) {

Calendar cal = Calendar.getInstance();

// date1.setSeconds(0);

cal.setTime(date1);

long time1 = cal.getTimeInMillis();

cal.setTime(date2);

long time2 = cal.getTimeInMillis();

if (time2 - time1 <= 0) {

return 0;

} else {

return Integer.parseInt(String.valueOf((time2 - time1) / 60000L)) + 1;

}

}

/**

* 计算date2 - date1之间相差的秒

*

* @param date1

* @param date2

* @return

*/

@SuppressWarnings("deprecation")

public static int secondBetween(Date date1, Date date2) {

Calendar cal = Calendar.getInstance();

// date1.setSeconds(0);

cal.setTime(date1);

long time1 = cal.getTimeInMillis();

cal.setTime(date2);

long time2 = cal.getTimeInMillis();

if (time2 - time1 <= 0) {

return 0;

} else {

return Integer.parseInt(String.valueOf((time2 - time1) / 1000L)) + 1;

}

}

/**

* 计算date2 - date1之间相差的毫秒

*

* @param date1

* @param date2

* @return

*/

@SuppressWarnings("deprecation")

public static int millisecondBetween(Date date1, Date date2) {

Calendar cal = Calendar.getInstance();

cal.setTime(date1);

long time1 = cal.getTimeInMillis();

cal.setTime(date2);

long time2 = cal.getTimeInMillis();

if (time2 - time1 <= 0) {

return 0;

} else {

return Integer.parseInt(String.valueOf((time2 - time1)));

}

}

}


版权声明:本文内容由网络用户投稿,版权归原作者所有,本站不拥有其著作权,亦不承担相应法律责任。如果您发现本站中有涉嫌抄袭或描述失实的内容,请联系我们jiasou666@gmail.com 处理,核实后本网站将在24小时内删除侵权内容。

上一篇:IDEA 卡住buid(编译)不动的解决办法
下一篇:Java 单链表数据结构的增删改查教程
相关文章

 发表评论

暂时没有评论,来抢沙发吧~