kercylan98
40 lines
1.2 KiB
Go
40 lines
1.2 KiB
Go
package times
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import (
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"time"
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)
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// CalcNextSec 计算下一个N秒在多少秒之后
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func CalcNextSec(sec int) int {
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now := time.Now().Unix()
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next := now + int64(sec) - now%int64(sec)
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return int(next - now)
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}
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// CalcNextSecWithTime 计算下一个N秒在多少秒之后
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func CalcNextSecWithTime(t time.Time, sec int) int {
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now := t.Unix()
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next := now + int64(sec) - now%int64(sec)
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return int(next - now)
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}
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// CalcNextTimeWithRefer 根据参考时间计算下一个整点时间
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// - 假设当 now 为 14:15:16 ， 参考时间为 10 分钟， 则返回 14:20:00
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// - 假设当 now 为 14:15:16 ， 参考时间为 20 分钟， 则返回 14:20:00
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//
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// 当 refer 小于 1 分钟时，将会返回当前时间
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func CalcNextTimeWithRefer(now time.Time, refer time.Duration) time.Time {
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referInSeconds := int(refer.Minutes()) * 60
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if referInSeconds <= 0 {
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return now
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}
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minutes := now.Minute()
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seconds := now.Second()
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remainder := referInSeconds - (minutes*60+seconds)%referInSeconds
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nextTime := now.Add(time.Duration(remainder) * time.Second)
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nextTime = time.Date(nextTime.Year(), nextTime.Month(), nextTime.Day(), nextTime.Hour(), nextTime.Minute(), 0, 0, nextTime.Location())
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return nextTime
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}
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