GO语言时间转换

package main

import (
  "fmt"
  "time"
)

func main() {
  // 2021-07-23 15:36:00.346234 +0800 CST m=+0.000174001
  now := time.Now()
  
  // 格式化 2021-07-23 15:36:00
  time1 := time.Now().Format("2006-01-02 15:04:05")
  
  // unix时间戳格式化
  time2 := now.Unix()                                        // 1627025820
  time3 := time.Unix(time2, 0).Format("2006-01-02 15:04:05") // 2021-07-23 15:37:00
  
  // 当前时间加/减一分钟
  time4 := now.Add(time.Minute * time.Duration(1))
  time5 := now.Add(-(time.Minute * time.Duration(1)))
  
  // 时间比较大小，先转为以下格式
  // 1970-01-01 08:00:00 +0800 CST
  
  time6, _ := time.ParseInLocation("2006-01-02 15:04:05", time3, time.Local)
  if now.Before(time6) {
  fmt.Println("true")
  } else if now.After(time6) {
  fmt.Println("false")
  }
}