Struct DateUtil 

pub struct DateUtil;

Implementations

impl DateUtil

pub fn date() -> DateTime<Local>

获取当前日期时间

pub fn date_ms(timestamp_ms: i64) -> DateTime<Local>

从时间戳创建日期（毫秒）

pub fn now() -> String

当前时间字符串，格式：yyyy-MM-dd HH:mm:ss

pub fn today() -> String

当前日期字符串，格式：yyyy-MM-dd

pub fn parse(date_str: &str) -> Option<DateTime<Local>>

自动识别常用格式解析日期字符串

pub fn parse_with_format( date_str: &str, format: &str, ) -> Option<DateTime<Local>>

使用指定格式解析日期字符串

pub fn format(date: DateTime<Local>, fmt: &str) -> String

格式化日期

pub fn format_date(date: DateTime<Local>) -> String

格式化为标准日期 yyyy-MM-dd

pub fn format_datetime(date: DateTime<Local>) -> String

格式化为标准日期时间 yyyy-MM-dd HH:mm:ss

pub fn format_time(date: DateTime<Local>) -> String

格式化为标准时间 HH:mm:ss

pub fn year(date: DateTime<Local>) -> i32

获取年份

pub fn month(date: DateTime<Local>) -> u32

获取月份 (1-12)

pub fn day(date: DateTime<Local>) -> u32

获取日期在月中的天数 (1-31)

pub fn hour(date: DateTime<Local>) -> u32

获取小时 (0-23)

pub fn minute(date: DateTime<Local>) -> u32

获取分钟 (0-59)

pub fn second(date: DateTime<Local>) -> u32

获取秒 (0-59)

pub fn day_of_week(date: DateTime<Local>) -> u32

获取星期几 (1-7, 周一到周日)

pub fn begin_of_day(date: DateTime<Local>) -> DateTime<Local>

获取一天的开始时间

pub fn end_of_day(date: DateTime<Local>) -> DateTime<Local>

获取一天的结束时间

pub fn begin_of_month(date: DateTime<Local>) -> DateTime<Local>

获取一月的开始时间

pub fn end_of_month(date: DateTime<Local>) -> DateTime<Local>

获取一月的结束时间

pub fn offset( date: DateTime<Local>, unit: DateUnit, offset: i64, ) -> DateTime<Local>

日期偏移

pub fn offset_day(date: DateTime<Local>, offset: i64) -> DateTime<Local>

偏移天数

pub fn offset_hour(date: DateTime<Local>, offset: i64) -> DateTime<Local>

偏移小时

pub fn offset_minute(date: DateTime<Local>, offset: i64) -> DateTime<Local>

偏移分钟

pub fn yesterday() -> DateTime<Local>

昨天

pub fn tomorrow() -> DateTime<Local>

明天

pub fn last_week() -> DateTime<Local>

上周

pub fn next_week() -> DateTime<Local>

下周

pub fn last_month() -> DateTime<Local>

上个月

pub fn next_month() -> DateTime<Local>

下个月

pub fn between( start: DateTime<Local>, end: DateTime<Local>, unit: DateUnit, ) -> i64

计算两个日期之间的差值

pub fn format_between(between_ms: i64, level: Level) -> String

格式化时间差

pub fn get_zodiac(month: u32, day: u32) -> &'static str

获取星座

pub fn get_chinese_zodiac(year: i32) -> &'static str

获取生肖

pub fn age_of_now(birth_date_str: &str) -> Option<u32>

计算年龄

pub fn is_leap_year(year: i32) -> bool

判断是否闰年

pub fn range( start: DateTime<Local>, end: DateTime<Local>, unit: DateUnit, ) -> DateRange

创建日期范围迭代器

pub fn range_contains( range1: DateRange, range2: DateRange, ) -> Vec<DateTime<Local>>

计算两个范围的交集

pub fn range_not_contains( range1: DateRange, range2: DateRange, ) -> Vec<DateTime<Local>>

计算两个范围的差集 (range2 中有但 range1 中没有的)

pub fn range_to_list( start: DateTime<Local>, end: DateTime<Local>, unit: DateUnit, ) -> Vec<DateTime<Local>>

将日期范围转换为列表