package main
import "time"
import "fmt"
//import "strconv"
func main() {
("time ===============:")
const base_format = "2006-01-02 15:04:05"
//获取当前时间
nt := ()
("now datetime:%v\n", nt)
//延时年月日
adnt := (1,2,3)
("now adddate:%v\n", adnt)
//延时秒
ant := (3600*1e9) //延时1小时=60*60 秒
("now add:%v\n", ant)
//转换为时间格式字符串
str_time := (base_format)
("now time string:%v\n", str_time)
//时间字符串转换为日期格式
parse_str_time, _ := (base_format, str_time)
("string to datetime :%v\n", parse_str_time)
//时间戳 秒
timestamp := ().Unix()
println("timestamp:", timestamp)
//时间戳 毫秒
msec := ().UnixNano() / 1e6
println("timestamp msec:", msec)
float_ms := msec % timestamp
v := ("%.3f\n", float64(float_ms)/1000.0)
println("float msec:", v)
//时间戳转日期格式
date_time := (timestamp, 0)
("timestamp to datetime:%v\n", date_time)
//时间字符串转时间戳
t, _ := (base_format, "2018-01-18 01:01:01")
datetime_str_to_timestamp := ()
println("datetime_str_to_timestamp:", datetime_str_to_timestamp)
}