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21 lines
538 B
Go
21 lines
538 B
Go
package timex
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import (
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"time"
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)
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// AlignTimeToWindow 将时间对齐到窗口的起始时间。
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func AlignTimeToWindow(t time.Time, size time.Duration) time.Time {
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offset := t.UnixNano() % int64(size)
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return t.Add(time.Duration(-offset))
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}
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// AlignTime 将时间对齐到指定的时间单位。 roundUp 为 true 时向上截断，为 false 时向下截断。
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func AlignTime(t time.Time, timeUnit time.Duration, roundUp bool) time.Time {
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trunc := t.Truncate(timeUnit)
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if !roundUp {
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return trunc.Add(timeUnit)
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}
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return trunc
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}
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