net.ymate.platform.commons.util

Class DateTimeUtils

java.lang.Object

net.ymate.platform.commons.util.DateTimeUtils

public final class DateTimeUtils
extends Object

日期时间数据处理工具类

Author:

刘镇 (suninformation@163.com) on 2010-4-18 上午02:40:41

Field Summary

Fields

Modifier and Type	Field and Description
static long	DAY 1天
static long	HOUR 1小时
static long	MINUTE 1分钟
static long	SECOND 1秒
static Map<String,String[]>	TIME_ZONES
static String	TIMEZONE_OFFSET 时间修正偏移量
static int	UTC_LENGTH
static long	WEEK 1周
static long	YEAR 1年（or 366 ???）
static String	YYYY_MM 日期格式化字符串：yyyy-MM
static String	YYYY_MM_DD 日期格式化字符串：yyyy-MM-dd
static String	YYYY_MM_DD_HH_MM 日期格式化字符串：yyyy-MM-dd HH:mm
static String	YYYY_MM_DD_HH_MM_SS 日期格式化字符串：yyyy-MM-dd HH:mm:ss
static String	YYYY_MM_DD_HH_MM_SS_SSS 日期格式化字符串：yyyy-MM-dd HH:mm:ss.SSS

Method Summary

Modifier and Type	Method and Description
static Date	currentTime()
static long	currentTimeMillis()
static long	currentTimeUTC()
static String	formatTime(long time, String pattern)
static String	formatTime(long time, String pattern, String timeOffset)
static SimpleDateFormat	getSimpleDateFormat(String format, String timeOffset)
static TimeZone	getTimeZone(String timeOffset)
static boolean	isLeapYear(int year)
static Date	parseDateTime(String dateTime, String pattern)
static Date	parseDateTime(String dateTime, String pattern, String timeOffset)
static int	systemTimeUTC()

Methods inherited from class java.lang.Object

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

Field Detail

SECOND

public static final long SECOND

1秒

See Also:

Constant Field Values

MINUTE

public static final long MINUTE

1分钟

See Also:

Constant Field Values

HOUR

public static final long HOUR

1小时

See Also:

Constant Field Values

DAY

public static final long DAY

1天

See Also:

Constant Field Values

WEEK

public static final long WEEK

1周

See Also:

Constant Field Values

YEAR

public static final long YEAR

1年（or 366 ???）

See Also:

Constant Field Values

YYYY_MM_DD_HH_MM_SS_SSS

public static final String YYYY_MM_DD_HH_MM_SS_SSS

日期格式化字符串：yyyy-MM-dd HH:mm:ss.SSS

See Also:

Constant Field Values

YYYY_MM_DD_HH_MM_SS

public static final String YYYY_MM_DD_HH_MM_SS

日期格式化字符串：yyyy-MM-dd HH:mm:ss

See Also:

Constant Field Values

YYYY_MM_DD

public static final String YYYY_MM_DD

日期格式化字符串：yyyy-MM-dd

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Constant Field Values

YYYY_MM

public static final String YYYY_MM

日期格式化字符串：yyyy-MM

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Constant Field Values

YYYY_MM_DD_HH_MM

public static final String YYYY_MM_DD_HH_MM

日期格式化字符串：yyyy-MM-dd HH:mm

See Also:

Constant Field Values

TIME_ZONES

public static final Map<String,String[]> TIME_ZONES

UTC_LENGTH

public static final int UTC_LENGTH

See Also:

Constant Field Values

TIMEZONE_OFFSET

public static String TIMEZONE_OFFSET

时间修正偏移量

Method Detail

getSimpleDateFormat

public static SimpleDateFormat getSimpleDateFormat(String format,
                                                   String timeOffset)

getTimeZone

public static TimeZone getTimeZone(String timeOffset)

currentTimeMillis

public static long currentTimeMillis()

Returns:

获取当前时间

currentTimeUTC

public static long currentTimeUTC()

Returns:

获取当前UTC时间

currentTime

public static Date currentTime()

Returns:

获得当前时间

systemTimeUTC

public static int systemTimeUTC()

Returns:

获取系统UTC时间

formatTime

public static String formatTime(long time,
                                String pattern)

Parameters:

time - 日期时间值(若为UTC时间，方法内将自动乘以1000)

pattern - 日期时间输出模式，若为空则使用yyyy-MM-dd HH:mm:ss.SSS作为默认

Returns:

格式化日期时间输出字符串

formatTime

public static String formatTime(long time,
                                String pattern,
                                String timeOffset)

parseDateTime

public static Date parseDateTime(String dateTime,
                                 String pattern)
                          throws ParseException

Throws:

ParseException

parseDateTime

public static Date parseDateTime(String dateTime,
                                 String pattern,
                                 String timeOffset)
                          throws ParseException

Throws:

ParseException

isLeapYear

public static boolean isLeapYear(int year)

Parameters:

year - 年份

Returns:

判断年份是否为闰年