gu.sql2java.utils

类 DateSupport

java.lang.Object

gu.sql2java.utils.DateSupport

public class DateSupport
extends java.lang.Object

日期工具类

从以下版本开始:

3.29.2

作者:

guyadong

字段概要

字段

限定符和类型	字段和说明
static java.lang.String	TIMESTAMP_FORMATTER_STR 用于SQL语句的时间戳格式转换格式

构造器概要

构造器

构造器和说明
DateSupport()

方法概要

限定符和类型	方法和说明
static <F,T> T	castToDate(F from, java.lang.Class<T> targetClass) 将对象转为指定的日期类型
static java.lang.String	formatDate(java.util.Date date, java.lang.String format) format Date to string
static java.util.Date	getDateFromString(java.lang.String strDate) get a date from a date string representation in one of the registered formats
static java.util.Date	getDateFromString(java.lang.String strDate, java.util.concurrent.atomic.AtomicReference<java.lang.String> pattern, int... excludeIndexs) get a date from a date string representation in one of the registered formats
static boolean	isDate(java.lang.String strDate) Verify that the string represantes the date with one of the registered formats
static <D> D	parseAsDate(java.lang.String input, java.lang.Class<D> targetClass, int... excludeIndexs) get a date from a date string representation in one of the registered formats
static <D extends java.util.Date> D	parseDateString(java.lang.String dateStr, java.lang.Class<D> targetClass) get a date from a date string representation in one of the registered formats
static java.lang.String	patternOf(java.lang.String strDate) Verify that the string represantes the date with one of the registered formats
static java.lang.String	toISO8601String(java.util.Date date) convert Date to ISO8601 date time format string

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

TIMESTAMP_FORMATTER_STR

public static final java.lang.String TIMESTAMP_FORMATTER_STR

用于SQL语句的时间戳格式转换格式

构造器详细资料

DateSupport

public DateSupport()

方法详细资料

getDateFromString

public static java.util.Date getDateFromString(java.lang.String strDate,
                                               java.util.concurrent.atomic.AtomicReference<java.lang.String> pattern,
                                               int... excludeIndexs)

get a date from a date string representation in one of the registered formats

参数:

strDate - the date as string.

pattern - [out] if not null, return pattern string or null if (null or empty) or correct pattern was not found

excludeIndexs - excluded pattern index

返回:

Date object ,otherwise null If (null or empty) or correct pattern was not found

getDateFromString

public static java.util.Date getDateFromString(java.lang.String strDate)

get a date from a date string representation in one of the registered formats

参数:

strDate - the date as string.

返回:

Date object ,otherwise null If (null or empty) or correct pattern was not found

parseDateString

public static <D extends java.util.Date> D parseDateString(java.lang.String dateStr,
                                                           java.lang.Class<D> targetClass)

get a date from a date string representation in one of the registered formats

参数:

dateStr - the date as string.

targetClass -

返回:

Date object ,otherwise null If (null or empty) or correct pattern was not found

parseAsDate

public static <D> D parseAsDate(java.lang.String input,
                                java.lang.Class<D> targetClass,
                                int... excludeIndexs)

get a date from a date string representation in one of the registered formats

参数:

input - the date as string.

targetClass - Date or Calendar or subclass required

excludeIndexs - excluded pattern index

返回:

Date object ,otherwise null If (null or empty) or correct pattern was not found

toISO8601String

public static java.lang.String toISO8601String(java.util.Date date)

convert Date to ISO8601 date time format string

参数:

date -

返回:

ISO8601 date time format string or null if date is null

formatDate

public static java.lang.String formatDate(java.util.Date date,
                                          java.lang.String format)

format Date to string

参数:

date -

format - date time format string,use ISO8601 format if null

返回:

ISO8601 date time format string or null if date is null

isDate

public static boolean isDate(java.lang.String strDate)

Verify that the string represantes the date with one of the registered formats

参数:

strDate - the date as string.

返回:

boolean "true" if the string represantes the date in one of the registed formats.

patternOf

public static java.lang.String patternOf(java.lang.String strDate)

Verify that the string represantes the date with one of the registered formats

参数:

strDate - the date as string.

返回:

boolean "true" if the string represantes the date in one of the registed formats.

从以下版本开始:

3.25.0

castToDate

public static <F,T> T castToDate(F from,
                                 java.lang.Class<T> targetClass)

将对象转为指定的日期类型

类型参数:

F - 原类型 String,Number,java.util.Date or Calendar or subclass

T - 目标类型 java.util.Date or Calendar or subclass

参数:

from -

targetClass -