99 lines
2.6 KiB
Plaintext
99 lines
2.6 KiB
Plaintext
// Charter标准库 - 时间处理模块
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// 提供时间戳、日期时间、时区转换等功能
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module std::time;
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// 时间戳结构
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struct Timestamp {
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seconds: u64, // Unix时间戳（秒）
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nanos: u32, // 纳秒部分
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}
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impl Timestamp {
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// 获取当前时间戳
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public fun now() -> Timestamp {
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let seconds = native_timestamp_seconds();
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let nanos = native_timestamp_nanos();
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Timestamp { seconds, nanos }
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}
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// 从秒创建时间戳
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public fun from_seconds(seconds: u64) -> Timestamp {
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Timestamp { seconds, nanos: 0 }
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}
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// 转换为秒
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public fun as_seconds(&self) -> u64 {
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self.seconds
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}
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// 转换为毫秒
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public fun as_millis(&self) -> u64 {
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self.seconds * 1000 + (self.nanos / 1_000_000) as u64
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}
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// 添加秒数
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public fun add_seconds(&mut self, seconds: u64) {
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self.seconds += seconds;
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}
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// 添加天数
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public fun add_days(&mut self, days: u64) {
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self.seconds += days * 86400;
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}
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// 比较时间戳
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public fun is_before(&self, other: &Timestamp) -> bool {
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if self.seconds < other.seconds {
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return true;
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}
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if self.seconds == other.seconds && self.nanos < other.nanos {
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return true;
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}
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false
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}
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// 计算时间差（秒）
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public fun diff_seconds(&self, other: &Timestamp) -> u64 {
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if self.seconds >= other.seconds {
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self.seconds - other.seconds
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} else {
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other.seconds - self.seconds
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}
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}
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}
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// 日期时间结构
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struct DateTime {
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year: u32,
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month: u8, // 1-12
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day: u8, // 1-31
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hour: u8, // 0-23
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minute: u8, // 0-59
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second: u8, // 0-59
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}
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impl DateTime {
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// 创建日期时间
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public fun new(year: u32, month: u8, day: u8, hour: u8, minute: u8, second: u8) -> DateTime {
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DateTime { year, month, day, hour, minute, second }
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}
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// 转换为时间戳
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public fun to_timestamp(&self) -> Timestamp {
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let seconds = datetime_to_unix(self.year, self.month, self.day, self.hour, self.minute, self.second);
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Timestamp::from_seconds(seconds)
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}
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// 从时间戳创建
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public fun from_timestamp(ts: &Timestamp) -> DateTime {
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unix_to_datetime(ts.seconds)
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}
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}
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// Native函数声明
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native fun native_timestamp_seconds() -> u64;
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native fun native_timestamp_nanos() -> u32;
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native fun datetime_to_unix(year: u32, month: u8, day: u8, hour: u8, minute: u8, second: u8) -> u64;
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native fun unix_to_datetime(seconds: u64) -> DateTime;
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