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36 lines
874 B
Go
36 lines
874 B
Go
// A common requirement in programs is getting the number
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// of seconds, milliseconds, or nanoseconds since the
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// [Unix epoch](http://en.wikipedia.org/wiki/Unix_time).
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// Here's how to do it in Go.
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package main
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import (
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"fmt"
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"time"
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)
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func main() {
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// Use `time.Now` with `Unix` or `UnixNano` to get
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// elapsed time since the Unix epoch in seconds or
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// nanoseconds, respectively.
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now := time.Now()
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secs := now.Unix()
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nanos := now.UnixNano()
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fmt.Println(now)
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// Note that there is no `UnixMillis`, so to get the
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// milliseconds since epoch you'll need to manually
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// divide from nanoseconds.
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millis := nanos / 1000000
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fmt.Println(secs)
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fmt.Println(millis)
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fmt.Println(nanos)
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// You can also convert integer seconds or nanoseconds
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// since the epoch into the corresponding `time`.
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fmt.Println(time.Unix(secs, 0))
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fmt.Println(time.Unix(0, nanos))
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}
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