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116 lines
3.0 KiB
Go
116 lines
3.0 KiB
Go
// Copyright 2021 dudaodong@gmail.com. All rights reserved.
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// Use of this source code is governed by MIT license.
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// Package datetime implements some functions to format date and time.
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// Note:
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// 1. `format` param in FormatTimeToStr function should be as flow:
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//"yyyy-mm-dd hh:mm:ss"
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//"yyyy-mm-dd hh:mm"
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//"yyyy-mm-dd hh"
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//"yyyy-mm-dd"
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//"yyyy-mm"
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//"mm-dd"
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//"dd-mm-yy hh:mm:ss"
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//"yyyy/mm/dd hh:mm:ss"
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//"yyyy/mm/dd hh:mm"
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//"yyyy/mm/dd hh"
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//"yyyy/mm/dd"
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//"yyyy/mm"
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//"mm/dd"
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//"dd/mm/yy hh:mm:ss"
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//"yyyy"
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//"mm"
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//"hh:mm:ss"
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//"mm:ss"
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package datetime
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import (
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"strconv"
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"time"
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)
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var timeFormat map[string]string
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func init() {
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timeFormat = map[string]string{
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"yyyy-mm-dd hh:mm:ss": "2006-01-02 15:04:05",
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"yyyy-mm-dd hh:mm": "2006-01-02 15:04",
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"yyyy-mm-dd hh": "2006-01-02 15:04",
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"yyyy-mm-dd": "2006-01-02",
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"yyyy-mm": "2006-01",
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"mm-dd": "01-02",
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"dd-mm-yy hh:mm:ss": "02-01-06 15:04:05",
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"yyyy/mm/dd hh:mm:ss": "2006/01/02 15:04:05",
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"yyyy/mm/dd hh:mm": "2006/01/02 15:04",
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"yyyy/mm/dd hh": "2006/01/02 15",
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"yyyy/mm/dd": "2006/01/02",
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"yyyy/mm": "2006/01",
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"mm/dd": "01/02",
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"dd/mm/yy hh:mm:ss": "02/01/06 15:04:05",
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"yyyy": "2006",
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"mm": "01",
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"hh:mm:ss": "15:04:05",
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"mm:ss": "04:05",
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}
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}
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// AddMinute add or sub minute to the time
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func AddMinute(t time.Time, minute int64) time.Time {
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s := strconv.FormatInt(minute, 10)
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m, _ := time.ParseDuration(s + "m")
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return t.Add(m)
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}
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// AddHour add or sub hour to the time
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func AddHour(t time.Time, hour int64) time.Time {
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s := strconv.FormatInt(hour, 10)
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h, _ := time.ParseDuration(s + "h")
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return t.Add(h)
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}
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// AddDay add or sub day to the time
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func AddDay(t time.Time, day int64) time.Time {
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dayHours := day * 24
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d := strconv.FormatInt(dayHours, 10)
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h, _ := time.ParseDuration(d + "h")
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return t.Add(h)
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}
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// GetNowDate return format yyyy-mm-dd of current date
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func GetNowDate() string {
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return time.Now().Format("2006-01-02")
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}
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// GetNowTime return format hh-mm-ss of current time
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func GetNowTime() string {
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return time.Now().Format("15:04:05")
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}
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// GetNowDateTime return format yyyy-mm-dd hh-mm-ss of current datetime
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func GetNowDateTime() string {
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return time.Now().Format("2006-01-02 15:04:05")
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}
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// GetZeroHourTimestamp return timestamp of zero hour (timestamp of 00:00)
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func GetZeroHourTimestamp() int64 {
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ts := time.Now().Format("2006-01-02")
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t, _ := time.Parse("2006-01-02", ts)
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return t.UTC().Unix() - 8*3600
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}
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// GetNightTimestamp return timestamp of zero hour (timestamp of 23:59)
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func GetNightTimestamp() int64 {
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return GetZeroHourTimestamp() + 86400 - 1
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}
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// FormatTimeToStr convert time to string
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func FormatTimeToStr(t time.Time, format string) string {
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return t.Format(timeFormat[format])
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}
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// FormatStrToTime convert string to time
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func FormatStrToTime(str, format string) time.Time {
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t, _ := time.Parse(timeFormat[format], str)
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return t
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}
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