DateTimeUtils (facecto-code-base-utils 1.1.1.2 API)

java.lang.Object
- com.facecto.code.base.util.DateTimeUtils

```
public class DateTimeUtils
extends Object
```
DateTimeUtils

版本:

v1.1.0 (2021/08/08)

作者:

Jon So, https://cto.pub, https://github.com/facecto

字段概要

字段
限定符和类型字段和说明

static String DATE_PATTERN
yyyy-MM-dd

static String DATE_TIME_PATTERN
yyyy-MM-dd HH:mm:ss

static String DATE_TIME_STRING_PATTERN
yyyyMMddHHmmss

字段
限定符和类型	字段和说明
`static String`	`DATE_PATTERN` yyyy-MM-dd
`static String`	`DATE_TIME_PATTERN` yyyy-MM-dd HH:mm:ss
`static String`	`DATE_TIME_STRING_PATTERN` yyyyMMddHHmmss

构造器概要

构造器
构造器和说明

DateTimeUtils()

构造器
构造器和说明
`DateTimeUtils()`

方法概要

所有方法静态方法具体方法
限定符和类型	方法和说明
`static Date`	`addDateDays(Date date, int days)` add or minus day
`static Date`	`addDateHours(Date date, int hours)` add or minus hour
`static Date`	`addDateMinutes(Date date, int minutes)` add or minus minute
`static Date`	`addDateMonths(Date date, int months)` add or minus month
`static Date`	`addDateSeconds(Date date, int seconds)` add or minus second
`static Date`	`addDateWeeks(Date date, int weeks)` add or minus week
`static Date`	`addDateYears(Date date, int years)` add or minus year
`static String`	`format(Date date)` yyyy-MM-dd
`static String`	`format(Date date, String pattern)` return by format
`static long`	`getMilli()` get milliseconds now
`static long`	`getMilli(LocalDateTime time)` get milliseconds by local datetime
`static String`	`getRFC3339(Date date)` convert time to RFC3339
`static String`	`getRFC3339(String datetime)` convert time to RFC3339 format
`static long`	`getSecond()` get seconds now
`static long`	`getSecond(LocalDateTime time)` get seconds by local datetime
`static Date[]`	`getWeekStartAndEnd(int week)` get the begin date and end date from week number
`static Date`	`stringToDate(String strDate, String pattern)` string convert date

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
  - DATE_PATTERN
```
public static final String DATE_PATTERN
```
    yyyy-MM-dd
    
    另请参阅:
    
    常量字段值
  - DATE_TIME_PATTERN
```
public static final String DATE_TIME_PATTERN
```
    yyyy-MM-dd HH:mm:ss
    
    另请参阅:
    
    常量字段值
  - DATE_TIME_STRING_PATTERN
```
public static final String DATE_TIME_STRING_PATTERN
```
    yyyyMMddHHmmss
    
    另请参阅:
    
    常量字段值
- 构造器详细资料
  - DateTimeUtils
```
public DateTimeUtils()
```
- 方法详细资料
  - getMilli
```
public static long getMilli()
```
    get milliseconds now
    
    返回:
    
    long
  - getSecond
```
public static long getSecond()
```
    get seconds now
    
    返回:
    
    long
  - getMilli
```
public static long getMilli(LocalDateTime time)
```
    get milliseconds by local datetime
    
    参数:
    
    time - LocalDateTime
    
    返回:
    
    long
  - getSecond
```
public static long getSecond(LocalDateTime time)
```
    get seconds by local datetime
    
    参数:
    
    time - LocalDateTime
    
    返回:
    
    long
  - format
```
public static String format(Date date)
```
    yyyy-MM-dd
    
    参数:
    
    date - date
    
    返回:
    
    String
  - format
```
public static String format(Date date,
                            String pattern)
```
    return by format
    
    参数:
    
    date - date
    
    pattern - String pattern
    
    返回:
    
    String
  - stringToDate
```
public static Date stringToDate(String strDate,
                                String pattern)
```
    string convert date
    
    参数:
    
    strDate - String date
    
    pattern - String pattern
    
    返回:
    
    date
  - getWeekStartAndEnd
```
public static Date[] getWeekStartAndEnd(int week)
```
    get the begin date and end date from week number
    
    参数:
    
    week - week 0= this week，-1= last week，-2= two weeks ago，1= next week，2= week after next
    
    返回:
    
    date[0]= begin date、date[1]= end date
  - addDateSeconds
```
public static Date addDateSeconds(Date date,
                                  int seconds)
```
    add or minus second
    
    参数:
    
    date - date
    
    seconds - second is number, it can be negative number
    
    返回:
    
    date
  - addDateMinutes
```
public static Date addDateMinutes(Date date,
                                  int minutes)
```
    add or minus minute
    
    参数:
    
    date - date
    
    minutes - minute is number, it can be negative number
    
    返回:
    
    date
  - addDateHours
```
public static Date addDateHours(Date date,
                                int hours)
```
    add or minus hour
    
    参数:
    
    date - date
    
    hours - hour is number, it can be negative number
    
    返回:
    
    date
  - addDateDays
```
public static Date addDateDays(Date date,
                               int days)
```
    add or minus day
    
    参数:
    
    date - date
    
    days - day is number, it can be negative number
    
    返回:
    
    date
  - addDateWeeks
```
public static Date addDateWeeks(Date date,
                                int weeks)
```
    add or minus week
    
    参数:
    
    date - date
    
    weeks - week is number, it can be negative number
    
    返回:
    
    date
  - addDateMonths
```
public static Date addDateMonths(Date date,
                                 int months)
```
    add or minus month
    
    参数:
    
    date - date
    
    months - month is number, it can be negative number
    
    返回:
    
    date
  - addDateYears
```
public static Date addDateYears(Date date,
                                int years)
```
    add or minus year
    
    参数:
    
    date - date
    
    years - year is number，it can be negative number
    
    返回:
    
    date
  - getRFC3339
```
public static String getRFC3339(Date date)
```
    convert time to RFC3339
    
    参数:
    
    date - date
    
    返回:
    
    2021-01-29T17:05:58+08:00
  - getRFC3339
```
public static String getRFC3339(String datetime)
```
    convert time to RFC3339 format
    
    参数:
    
    datetime - format：2021-01-29 17:05:58
    
    返回:
    
    datetime string

类 DateTimeUtils

字段概要

构造器概要

方法概要

从类继承的方法 java.lang.Object

字段详细资料

DATE_PATTERN

DATE_TIME_PATTERN

DATE_TIME_STRING_PATTERN

构造器详细资料

DateTimeUtils

方法详细资料

getMilli

getSecond

getMilli

getSecond

format

format

stringToDate

getWeekStartAndEnd

addDateSeconds

addDateMinutes

addDateHours

addDateDays

addDateWeeks

addDateMonths

addDateYears

getRFC3339

getRFC3339