(Go)08.time示例

 package main

 import (
     "fmt"
     "time"
 )

 func test() {
     time.Sleep(time.Millisecond*)
 }

 func main() {
     now := time.Now()
     fmt.Println(now.Format("2006/1/02 15:04:05"))

     start := time.Now().UnixNano()
     test()
     end := time.Now().UnixNano()

     fmt.Printf("cost time:%d us\n", (end -start)/)
 }