cn.aradin.spring.core.utils

类 DateUtil

java.lang.Object

cn.aradin.spring.core.utils.DateUtil

public class DateUtil
extends Object

Date Transfer Module

作者:

liudaac

字段概要

字段

限定符和类型	字段和说明
static String	FORMAT_FIVE
static String	FORMAT_FOUR
static String	FORMAT_ONE
static String	FORMAT_SIX
static String	FORMAT_THREE
static String	FORMAT_TWO
static String	LONG_DATE_FORMAT
static String	LONG_DATE_FORMAT_1
static String	LONG_DATE_FORMAT_2
static String	LONG_DATE_FORMAT_3
static String	LONG_TIME_FORMAT
static String	MONTG_DATE_FORMAT
static String	SHORT
static String	SHORT_DATE_FORMAT
static String	SIMPLE_DATE_FORMAT
static int	SUB_DAY
static int	SUB_HOUR
static int	SUB_MINUTE
static int	SUB_MONTH
static int	SUB_SECOND
static int	SUB_YEAR

构造器概要

构造器

构造器和说明
DateUtil()

方法概要

限定符和类型	方法和说明
static String	afterDay()
static String	befoDay()
static String	befoDay(String format)
static String	currDay()
static String	currTime()
static Date	dateSub(int field, int amount) 获取距离当天指定天数（月、年。。。）
static String	dateSub(int dateKind, String dateStr, int amount)
static String	dateToString(Date date, String format)
static String	dateToStringLong(Date date)
static long	dayDiff(Date date1, Date date2)
static long	dayDiff(String date1, String date2, String format)
static long	dayDiffCurr(String dateStr) 获取指定日期距离当天的天数。
static String	getAstro(String birth)
static String	getCurrDate(String format)
static String	getDateByMillis(long millis, String format)
static Date	getDateByNum(int day)
static String[]	getDateRange(int datenum) 获取最近datenum天的开始日期和结束日期，结束日期从前一天开始。
static String[]	getDateRangeByPeriod(String period, String startDate, String endDate) 根据周期截取有效的时间段。
static String[]	getDates(int datenum, String format)
static int	getDay(Date date)
static Date	getDayMax(Date date)
static Date	getDayMin(Date date)
static int	getDayNum()
static int	getDayOfMonth(Date date)
static int	getDayOfWeek(Date date)
static int	getDayOfYear(Date date)
static long	getDaysApart(Date date1, Date date2)
static int	getDaysOfMonth(int year, int month)
static int	getDaysOfMonth(String year, String month)
static Date	getFirstDateOfLastMonth(Date date)
static Date	getFirstDayOfMonth(Date date)
static int	getFirstWeekdayOfMonth(int year, int month)
static int	getHour(Date date)
static Date	getLastDateOfYear(Date date)
static Date	getLastDayOfMonth(Date date)
static int	getLastWeekdayOfMonth(int year, int month)
static List<String>	getMidpieceDates(String startDate, String endDate, String format)
static long	getMillisByDate(Date date)
static int	getMiniute(Date date)
static int	getMonth(Date date)
static String	getNow()
static String[]	getRecentDates(int datenum, String format)
static String[]	getRecentMonths(int monthnum, String format)
static Map<String,String>	getTimeslice(int days)
static int	getToday()
static int	getToMonth()
static int	getToYear()
static int	getYear(Date date)
static Date	getYesterday()
static String	getYmdDateCN(String datestr)
static boolean	isDate(String date)
static int	isSameDate(Date date1, Date date2)
static Date	nextDay(Date date, int day) 取得指定日期过 day 天后的日期 (当 day 为负数表示指定天之前);
static Date	nextMinute(Date date, int min)
static Date	nextMonth(Date date, int months) 取得指定日期过 months 月后的日期 (当 months 为负数表示指定月之前);
static Date	nextWeek(Date date, int week)
static long	secondDiff(Date date1, Date date2)
static long	secondDiff(String date1, String date2, String format)
static Date	stringtoDate(String dateStr, String format)
static Date	stringtoDate(String dateStr, String format, ParsePosition pos)
static long	timeSub(String firstTime, String secTime)
static int	yearDiff(String before, String after)
static int	yearDiffCurr(String after)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

FORMAT_ONE

public static final String FORMAT_ONE

另请参阅:

常量字段值

FORMAT_TWO

public static final String FORMAT_TWO

另请参阅:

常量字段值

FORMAT_THREE

public static final String FORMAT_THREE

另请参阅:

常量字段值

FORMAT_FOUR

public static final String FORMAT_FOUR

另请参阅:

常量字段值

FORMAT_FIVE

public static final String FORMAT_FIVE

另请参阅:

常量字段值

FORMAT_SIX

public static final String FORMAT_SIX

另请参阅:

常量字段值

LONG_DATE_FORMAT

public static final String LONG_DATE_FORMAT

另请参阅:

常量字段值

LONG_DATE_FORMAT_1

public static final String LONG_DATE_FORMAT_1

另请参阅:

常量字段值

LONG_DATE_FORMAT_2

public static final String LONG_DATE_FORMAT_2

另请参阅:

常量字段值

LONG_DATE_FORMAT_3

public static final String LONG_DATE_FORMAT_3

另请参阅:

常量字段值

SHORT_DATE_FORMAT

public static final String SHORT_DATE_FORMAT

另请参阅:

常量字段值

SHORT

public static final String SHORT

另请参阅:

常量字段值

LONG_TIME_FORMAT

public static final String LONG_TIME_FORMAT

另请参阅:

常量字段值

MONTG_DATE_FORMAT

public static final String MONTG_DATE_FORMAT

另请参阅:

常量字段值

SIMPLE_DATE_FORMAT

public static final String SIMPLE_DATE_FORMAT

另请参阅:

常量字段值

SUB_YEAR

public static final int SUB_YEAR

另请参阅:

常量字段值

SUB_MONTH

public static final int SUB_MONTH

另请参阅:

常量字段值

SUB_DAY

public static final int SUB_DAY

另请参阅:

常量字段值

SUB_HOUR

public static final int SUB_HOUR

另请参阅:

常量字段值

SUB_MINUTE

public static final int SUB_MINUTE

另请参阅:

常量字段值

SUB_SECOND

public static final int SUB_SECOND

另请参阅:

常量字段值

构造器详细资料

DateUtil

public DateUtil()

方法详细资料

stringtoDate

public static Date stringtoDate(String dateStr,
                                String format)

stringtoDate

public static Date stringtoDate(String dateStr,
                                String format,
                                ParsePosition pos)

isSameDate

public static int isSameDate(Date date1,
                             Date date2)

dateToStringLong

public static String dateToStringLong(Date date)

dateToString

public static String dateToString(Date date,
                                  String format)

getMidpieceDates

public static List<String> getMidpieceDates(String startDate,
                                            String endDate,
                                            String format)

getCurrDate

public static String getCurrDate(String format)

dateSub

public static Date dateSub(int field,
                           int amount)

获取距离当天指定天数（月、年。。。）的日期

参数:

field - Calendar类的指定日历字段（例如Calendar.DATE, Calendar.MONTH）

amount - 数量，正数为未来，负数为过去

返回:

如果field不是Calendar类的指定日历字段，返回null

dateSub

public static String dateSub(int dateKind,
                             String dateStr,
                             int amount)

timeSub

public static long timeSub(String firstTime,
                           String secTime)

getDaysOfMonth

public static int getDaysOfMonth(String year,
                                 String month)

getDaysOfMonth

public static int getDaysOfMonth(int year,
                                 int month)

getToday

public static int getToday()

getToMonth

public static int getToMonth()

getToYear

public static int getToYear()

getDay

public static int getDay(Date date)

getDayOfWeek

public static int getDayOfWeek(Date date)

getDayOfMonth

public static int getDayOfMonth(Date date)

getDayOfYear

public static int getDayOfYear(Date date)

getLastDayOfMonth

public static Date getLastDayOfMonth(Date date)

getYear

public static int getYear(Date date)

getMonth

public static int getMonth(Date date)

dayDiff

public static long dayDiff(Date date1,
                           Date date2)

dayDiff

public static long dayDiff(String date1,
                           String date2,
                           String format)

secondDiff

public static long secondDiff(Date date1,
                              Date date2)

secondDiff

public static long secondDiff(String date1,
                              String date2,
                              String format)

yearDiff

public static int yearDiff(String before,
                           String after)

yearDiffCurr

public static int yearDiffCurr(String after)

dayDiffCurr

public static long dayDiffCurr(String dateStr)

获取指定日期距离当天的天数。如果指定日期在未来，则返回负数。

参数:

dateStr - 指定日期，格式为"yyyy-MM-dd"

返回:

天数。如果dateStr格式错误，返回0

getFirstWeekdayOfMonth

public static int getFirstWeekdayOfMonth(int year,
                                         int month)

getLastWeekdayOfMonth

public static int getLastWeekdayOfMonth(int year,
                                        int month)

getNow

public static String getNow()

getAstro

public static String getAstro(String birth)

isDate

public static boolean isDate(String date)

nextMonth

public static Date nextMonth(Date date,
                             int months)

取得指定日期过 months 月后的日期 (当 months 为负数表示指定月之前);

参数:

date - 日期 为null时表示当天

months - 相加(相减)的月数

返回:

The date

nextDay

public static Date nextDay(Date date,
                           int day)

取得指定日期过 day 天后的日期 (当 day 为负数表示指定天之前);

参数:

date - 日期 为null时表示当天

day - 相加(相减)的天数

返回:

The date

nextWeek

public static Date nextWeek(Date date,
                            int week)

currDay

public static String currDay()

currTime

public static String currTime()

befoDay

public static String befoDay()

befoDay

public static String befoDay(String format)

afterDay

public static String afterDay()

getDayNum

public static int getDayNum()

getDateByNum

public static Date getDateByNum(int day)

getYmdDateCN

public static String getYmdDateCN(String datestr)

getTimeslice

public static Map<String,String> getTimeslice(int days)

getDateRange

public static String[] getDateRange(int datenum)

获取最近datenum天的开始日期和结束日期，结束日期从前一天开始。

参数:

datenum - 最近天数，必须大于0

返回:

长度为2的数组，第一个元素为开始日期，第二个元素为结束日期，格式都为"yyyy-MM-dd"。datenum出错时返回null。

getDates

public static String[] getDates(int datenum,
                                String format)

getDateRangeByPeriod

public static String[] getDateRangeByPeriod(String period,
                                            String startDate,
                                            String endDate)

根据周期截取有效的时间段。

参数:

period - 时间周期。可选值为：day（日），week（周），month（月），season（季度）

startDate - 开始日期

endDate - 结束日期

返回:

长度为2的数组，分别为开始日期和结束日期，格式为"yyyy-MM-dd"。
如果period参数错误，或者指定时间段不满一个周期，返回null。

nextMinute

public static Date nextMinute(Date date,
                              int min)

getDateByMillis

public static String getDateByMillis(long millis,
                                     String format)

getFirstDayOfMonth

public static Date getFirstDayOfMonth(Date date)

getDayMin

public static Date getDayMin(Date date)

getDayMax

public static Date getDayMax(Date date)

getYesterday

public static Date getYesterday()

getRecentDates

public static String[] getRecentDates(int datenum,
                                      String format)

getLastDateOfYear

public static Date getLastDateOfYear(Date date)

getMillisByDate

public static long getMillisByDate(Date date)

getHour

public static int getHour(Date date)

getMiniute

public static int getMiniute(Date date)

getFirstDateOfLastMonth

public static Date getFirstDateOfLastMonth(Date date)

getDaysApart

public static long getDaysApart(Date date1,
                                Date date2)

getRecentMonths

public static String[] getRecentMonths(int monthnum,
                                       String format)