时间格式化

package main

import (
	"fmt"
	"time"
)

func main() {
	now := time.Now()
	fmt.Printf("%T\n%v \n", now, now)
	fmt.Printf("年：%v \n", now.Year())
	fmt.Printf("月：%v \n", now.Month())
	fmt.Printf("月：%v \n", int(now.Month()))
	fmt.Printf("日：%v \n", now.Day())
	fmt.Printf("时：%v \n", now.Hour())
	fmt.Printf("分：%v \n", now.Minute())
	fmt.Printf("秒：%v \n", now.Second())

	fmt.Println("-------------------------------------")
	fmt.Printf("当前年月日：%d-%d-%d,时分秒为%d:%d:%d\n", now.Year(), now.Month(), now.Day(), now.Hour(), now.Minute(), now.Second())
	//Sprinf可以将输出的结果传递赋值
	datestr := fmt.Sprintf("当前年月日：%d-%d-%d,时分秒为%d:%d:%d\n", now.Year(), now.Month(), now.Day(), now.Hour(), now.Minute(), now.Second())
	fmt.Println(datestr)
	fmt.Println("-------------------------------------")
	datestr2 := now.Format("2006-01-02 15-04-05")
	fmt.Println(datestr2)
}