Joda-Time 工具类的使用
Joda-time 简单出来时间库。
导入maven 工程jar包
joda-time
joda-time
2.9.2
//方法一：取系统点间
DateTime dt1 = new DateTime();
//方法二：通过java.util.Date对象生成
DateTime dt2 = new DateTime(new Date());
//方法三：指定年月日点分秒生成(参数依次是：年,月,日,时,分,秒,毫秒)
static DateTime dt3 = new DateTime(2016, 6, 15, 14, 47, 0, 0);
//方法四：ISO8601形式生成
DateTime dt4 = new DateTime("2016-06-15");
DateTime dt5 = new DateTime("2016-06-20T13:14:00");
//只需要年月日的时候
LocalDate ld1 = new LocalDate(2016, 6, 15);
//只需要时分秒毫秒的时候
LocalTime localTime = new LocalTime(13, 30, 26, 0);// 1:30:26PM
DateTime dt = new DateTime();
int year = dt.getYear();//年
int month = dt.getMonthOfYear();//月
int day = dt.getDayOfMonth(); //天
int day1 = dt.getDayOfWeek();//天
int day2 = dt.getDayOfYear();//天
int week = dt.getDayOfWeek(); //星期
int hour = dt.getHourOfDay(); //点
int min = dt.getMinuteOfHour(); //分
int sec = dt.getSecondOfMinute(); //秒
int msec = dt.getMillisOfSecond(); //毫秒
@Override
public String toString() {
System.out.println(year+","+month+","+day+","+day1+","+day2+","+week+","+hour+","+min+","+sec+","+msec);
return "";
}
public void week(){
//星期
DateTime dts = new DateTime();
switch (dts.getDayOfWeek()) {
case DateTimeConstants.SUNDAY:
System.out.println("星期日");
break;
case DateTimeConstants.MONDAY:
System.out.println("星期一");
break;
case DateTimeConstants.TUESDAY:
System.out.println("星期二");
break;
case DateTimeConstants.WEDNESDAY:
System.out.println("星期三");
break;
case DateTimeConstants.THURSDAY:
System.out.println("星期四");
break;
case DateTimeConstants.FRIDAY:
System.out.println("星期五");
break;
case DateTimeConstants.SATURDAY:
System.out.println("星期6");
default:
break;
}
}
DateTime dt01 = new DateTime();
//昨天
DateTime yesterday = dt01.minusDays(1);
//明天
DateTime tomorrow = dt01.plusDays(1);
//1个月前
DateTime before1month = dt01.minusMonths(1);
//3个月后
DateTime after3month = dt01.plusMonths(3);
//2年前
DateTime before2year = dt01.minusYears(2);
//5年后
DateTime after5year = dt01.plusYears(5);
DateTime d1 = new DateTime("2012-02-01");
DateTime d2 = new DateTime("2012-05-01");
//和系统时间比
boolean b1 = d1.isAfterNow();
boolean b2 = d1.isBeforeNow();
boolean b3 = d1.isEqualNow();
//和其他日期比
boolean f1 = d1.isAfter(d2);
boolean f2 = d1.isBefore(d2);
boolean f3 = d1.isEqual(d2);
DateTime begin = new DateTime("2012-02-01");
DateTime end = new DateTime("2012-05-01");
//计算区间毫秒数
Duration d = new Duration(begin, end);
long time = d.getMillis();
//计算区间天数
Period p = new Period(begin, end, PeriodType.days());
int days = p.getDays();
//计算特定日期是否在该区间内
Interval i = new Interval(begin, end);
boolean contained = i.contains(new DateTime("2012-03-01"));
//默认设置为日本时间
DateTime dt001 = new DateTime();
//伦敦时间
DateTime dt002 = new DateTime(DateTimeZone.forID("Europe/London"));
//月末日期
DateTime lastday = dt.dayOfMonth().withMaximumValue();
//90天后那周的周一
DateTime firstday = dt.plusDays(90).dayOfWeek().withMinimumValue();
}
引用的http://rensanning.iteye.com/blog/1546652
DateUtils 工具类：JodaTime 对时间的加减 处理起来 特别方便 ，快速。自己在工作写了一下公用的方法。
/**
* 获取当前系统时间
* @return yyyy-MM-dd HH:mm:ss
*/
public static String getCurrentTime() {
DateTime dt = new DateTime();
String time = dt.toString(FORMAT_TIME);
return time;
}
/**
* 获取系统当前时间按照指定格式返回
* @param pattern yyyy/MM/dd hh:mm:a
* @return
*/
public static String getCurrentTimePattern(String pattern) {
DateTime dt = new DateTime();
String time = dt.toString(pattern);
return time;
}
/**
* 获取当前日期
* @return
*/
public static String getCurrentDate() {
DateTime dt = new DateTime();
String date = dt.toString(FORTER_DATE);
return date;
}
/**
* 获取当前日期按照指定格式
* @param pattern
* @return
*/
public static String getCurrentDatePattern(String pattern) {
DateTime dt = new DateTime();
String date = dt.toString(pattern);
return date;
}
/**
* 按照时区转换时间
* @param date
* @param timeZone 时区
* @param parrten
* @return
*/
@Nullable
public static String format(Date date, TimeZone timeZone, String parrten) {
if (date == null) {
return null;
}
SimpleDateFormat sdf = new SimpleDateFormat(parrten);
sdf.setTimeZone(timeZone);
return sdf.format(date);
}
/**
* 获取指定时间
* @param year 年
* @param month 月
* @param day 天
* @param hour 小时
* @param minute 分钟
* @param seconds 秒
* @return yyyy-MM-dd HH:mm:ss
*/
public static String getPointTime(Integer year, Integer month, Integer day, Integer hour, Integer minute, Integer seconds) {
DateTime dt = new DateTime(year, month, day, hour, minute, seconds);
String date = dt.toString(FORMAT_TIME);
return date;
}
/**
*
* @param year 年
* @param month 月
* @param day 天
* @param hour 小时
* @param minute 分钟
* @param seconds 秒
* @param parrten 自定义格式
* @return parrten
*/
public static String getPointTimePattern(Integer year, Integer month, Integer day, Integer hour, Integer minute, Integer seconds, String parrten) {
DateTime dt = new DateTime(year, month, day, hour, minute, seconds);
String date = dt.toString(parrten);
return date;
}
/**
* 获取指定日期
* @param year
* @param month
* @param day
* @return
*/
public static String getPointDate(Integer year, Integer month, Integer day) {
LocalDate dt = new LocalDate(year, month, day);
String date = dt.toString(FORTER_DATE);
return date;
}
/**
* 获取指定日期 返回指定格式
* @param year
* @param month
* @param day
* @param parrten
* @return
*/
public static String getPointDatParrten(Integer year, Integer month, Integer day, String parrten) {
LocalDate dt = new LocalDate(year, month, day);
String date = dt.toString(parrten);
return date;
}
/**
* 获取当前是一周星期几
* @return
*/
public static String getWeek() {
DateTime dts = new DateTime();
String week = null;
switch (dts.getDayOfWeek()) {
case DateTimeConstants.SUNDAY:
week = "星期日";
break;
case DateTimeConstants.MONDAY:
week = "星期一";
break;
case DateTimeConstants.TUESDAY:
week = "星期二";
break;
case DateTimeConstants.WEDNESDAY:
week = "星期三";
break;
case DateTimeConstants.THURSDAY:
week = "星期四";
break;
case DateTimeConstants.FRIDAY:
week = "星期五";
break;
case DateTimeConstants.SATURDAY:
week = "星期六";
default:
break;
}
return week;
}
/**
* 获取指定时间是一周的星期几
* @param year
* @param month
* @param day
* @return
*/
public static String getWeekPoint(Integer year, Integer month, Integer day) {
LocalDate dts = new LocalDate(year, month, day);
String week = null;
switch (dts.getDayOfWeek()) {
case DateTimeConstants.SUNDAY:
week = "星期日";
break;
case DateTimeConstants.MONDAY:
week = "星期一";
break;
case DateTimeConstants.TUESDAY:
week = "星期二";
break;
case DateTimeConstants.WEDNESDAY:
week = "星期三";
break;
case DateTimeConstants.THURSDAY:
week = "星期四";
break;
case DateTimeConstants.FRIDAY:
week = "星期五";
break;
case DateTimeConstants.SATURDAY:
week = "星期六";
break;
default:
break;
}
return week;
}
/**
* 格式化日期
* @param date
* @return yyyy-MM-dd HH:mm:ss
*/
@Nullable
public static String format(Date date) {
if (date == null) {
return null;
}
SimpleDateFormat format = new SimpleDateFormat(FORMAT_TIME);
return format.format(date);
}
/**
* 格式化日期字符串
* @param date 日期
* @param pattern 日期格式
* @return
*/
@Nullable
public static String format(Date date, String pattern) {
if (date == null) {
return null;
}
SimpleDateFormat format = new SimpleDateFormat(pattern);
return format.format(date);
}
/**
* 解析日期
* @param date 日期字符串
* @param pattern 日期格式
* @return
*/
@Nullable
public static Date parse(String date, String pattern) {
if (date == null) {
return null;
}
Date resultDate = null;
try {
resultDate = new SimpleDateFormat(pattern).parse(date);
} catch (ParseException e) {
}
return resultDate;
}
/**
* 解析日期yyyy-MM-dd HH:mm:ss
* @param date 日期字符串
* @return
*/
@Nullable
public static Date parse(String date) {
if (date == null) {
return null;
}
try {
return new SimpleDateFormat(FORMAT_TIME).parse(date);
} catch (ParseException e) {
return null;
}
}
/**
* 解析日期 yyyy-MM-dd HH:mm:ss
* @param timestamp
* @return
*/
public static String format(Long timestamp, String pattern) {
String dateStr = "";
if (null == timestamp || timestamp.longValue() < 0) {
return dateStr;
}
try {
Date date = new Date(timestamp);
SimpleDateFormat format = new SimpleDateFormat(pattern);
dateStr = format.format(date);
} catch (Exception e) {
// ignore
}
return dateStr;
}
/**
* 解析日期 yyyy-MM-dd HH:mm:ss
* @param timestamp
* @return
*/
public static String format(Long timestamp) {
String dateStr = "";
if (null == timestamp || timestamp.longValue() < 0) {
return dateStr;
}
try {
Date date = new Date(timestamp);
SimpleDateFormat format = new SimpleDateFormat(FORMAT_TIME);
dateStr = format.format(date);
} catch (Exception e) {
// ignore
}
return dateStr;
}
/**
*获取当前时间前几天时间,按指定格式返回
* @param days
* @return
*/
public static String forwardDay(Integer days, String format) {
DateTime dt = new DateTime();
DateTime y = dt.minusDays(days);
return y.toString(format);
}
/**
*获取当前时间前几天时间
* @param days
* @return
*/
public static Date forwardDay(Integer days) {
DateTime dt = new DateTime();
DateTime y = dt.minusDays(days);
return y.toDate();
}
/**
* 获取指定时间之后或者之前的某一天00:00:00 默认返回当天
* @param days
* @return
*/
public static Date day00(Integer days, String date, String zimeZone) throws Throwable {
DateTime dt;
TimeZone timeZone;
try {
if (StringUtils.isBlank(zimeZone)) {
timeZone = TimeZone.getDefault();
} else {
timeZone = TimeZone.getTimeZone(zimeZone);
}
if (StringUtils.isBlank(date)) {
dt = new DateTime().withZone(DateTimeZone.forTimeZone(timeZone)).toLocalDateTime().toDateTime();
} else {
dt = new DateTime(date).withZone(DateTimeZone.forTimeZone(timeZone)).toLocalDateTime().toDateTime();
}
} catch (Exception e) {
throw new Throwable(e);
}
DateTime y = dt.minusDays(days).withHourOfDay(0).withMinuteOfHour(0).withSecondOfMinute(0);
return y.toDate();
}
/**
*获取指定时间之后或者之前的某一天23:59:59 默认返回当天
* @param days 偏移量
* @return
*/
public static Date day59(Integer days, String date, String zimeZone) throws Throwable {
DateTime dt;
TimeZone timeZone;
try {
if (StringUtils.isBlank(zimeZone)) {
timeZone = TimeZone.getDefault();
} else {
timeZone = TimeZone.getTimeZone(zimeZone);
}
if (StringUtils.isBlank(date)) {
dt = new DateTime().withZone(DateTimeZone.forTimeZone(timeZone)).toLocalDateTime().toDateTime();
} else {
dt = new DateTime(date).withZone(DateTimeZone.forTimeZone(timeZone)).toLocalDateTime().toDateTime();
}
} catch (Exception e) {
throw new Throwable(e);
}
DateTime y = dt.minusDays(days).withHourOfDay(23).withMinuteOfHour(59).withSecondOfMinute(59);
return y.toDate();
}
/**
* 计算两个时间相差多少天
* @param startDate
* @param endDate
* @return
*/
@Nullable
public static Integer diffDay(Date startDate, Date endDate) {
if (startDate == null || endDate == null) {
return null;
}
DateTime dt1 = new DateTime(startDate);
DateTime dt2 = new DateTime(endDate);
int day = Days.daysBetween(dt1, dt2).getDays();
return Math.abs(day);
}
/**
* 获取某月之前,之后某一个月最后一天,24:59:59
* @return
*/
public static Date lastDay(Date date, Integer month) {
DateTime dt1;
if (month == null) {
month = 0;
}
if (date == null) {
dt1 = new DateTime().minusMonths(month);
} else {
dt1 = new DateTime(date).minusMonths(month);
}
DateTime lastDay = dt1.dayOfMonth().withMaximumValue().
withHourOfDay(23).withMinuteOfHour(59).withSecondOfMinute(59);
return lastDay.toDate();
}
/**
*获取某月月之前,之后某一个月第一天,00:00:00
* @return
*/
public static Date firstDay(Date date, Integer month) {
DateTime dt1;
if (month == null) {
month = 0;
}
if (date == null) {
dt1 = new DateTime().minusMonths(month);
} else {
dt1 = new DateTime(date).minusMonths(month);
}
DateTime lastDay = dt1.dayOfMonth().withMinimumValue().
withHourOfDay(0).withMinuteOfHour(0).withSecondOfMinute(0);
return lastDay.toDate();
}
public static Date addDay(Date date, int offset) {
DateTime dt1;
if (date == null) {
dt1 = new DateTime().plusDays(offset);
return dt1.toDate();
}
dt1 = new DateTime(date).plusDays(offset);
return dt1.toDate();
}
/**
* 传入日期时间与当前系统日期时间的比较,
* 若日期相同，则根据时分秒来返回 ,
* 否则返回具体日期
* @return 日期或者 xx小时前||xx分钟前||xx秒前
*/
@Nullable
public static String getNewUpdateDateString(Date now, Date createDate) {
if (now == null || createDate == null) {
return null;
}
Long time = (now.getTime() - createDate.getTime());
if (time > (24 * 60 * 60 * 1000)) {
return time / (24 * 60 * 60 * 1000) + "天前";
} else if (time > (60 * 60 * 1000)) {
return time / (60 * 60 * 1000) + "小时前";
} else if (time > (60 * 1000)) {
return time / (60 * 1000) + "分钟前";
} else if (time >= 1000) {
return time / 1000 + "秒前";
}
return "刚刚";
}