webmastertoolbag.com

Online tools Web school 在线工具 基础教程 菜鸟教程 编程学习 Web 学校
??? ?????, ??? ????? ?? ??
?? ?????
  ??? ??

??? ?????(Unix timestamp) → ??? ??

??? ?????
??? ??

??? ?? → ??? ?????(Unix timestamp)

??? ??
??? ?????

1, ?? ????? ?? ?? ???????? ?? ??? ?????? ???? ??(Unix timestamp) 1, ?? ????? ?? ?? ??????? ?????:

PHP time()
Java time
JavaScript Math.round(new Date().getTime()/1000)
getTime() ?? ?? ??? ??????.
.NET / C# time = (DateTime.Now.ToUniversalTime().Ticks - 621355968000000000) / 10000000
MySQL SELECT unix_timestamp(now())
Perl time
PostgreSQL SELECT extract(time FROM now())
Python ?? ??? ??? ?? time.time()
Ruby ??? ????? ????: Time.now ?? Time.new
??? ????? ??: Time.now.to_i
SQL Server SELECT DATEDIFF(s, '1970-01-01 00:00:00', GETUTCDATE())
Unix / Linux date +%s
VBScript / ASP DateDiff("s", "01/01/1970 00:00:00", Now())

2, ?? ????? ?? ?? ??????, ?? ?? ?? → ??? ?????(Unix timestamp):

PHP mktime(hour, minute, second, day, month, year)
Java long datetime = new java.text.SimpleDateFormat("dd/MM/yyyy HH:mm:ss").parse("01/01/1970 01:00:00");
JavaScript var commonTime = new Date(Date.UTC(year, month - 1, day, hour, minute, second))
MySQL SELECT unix_timestamp(time)
?? ??: YYYY-MM-DD HH:MM:SS ?? YYMMDD ?? YYYYMMDD
Perl ?? Time::Local? ??? ?? ?$time = timelocal($sec, $min, $hour, $day, $month, $year);
PostgreSQL SELECT extract(datetime FROM date('YYYY-MM-DD HH:MM:SS'));
Python ?? ???? ?? int(time.mktime(time.strptime('YYYY-MM-DD HH:MM:SS', '%Y-%m-%d %H:%M:%S')))
Ruby Time.local(year, month, day, hour, minute, second)
SQL Server SELECT DATEDIFF(s, '1970-01-01 00:00:00', datetime)
Unix / Linux date +%s -d"Jan 1, 1970 00:00:01"
VBScript / ASP DateDiff("s", "01/01/1970 00:00:00", datetime)

3. ?? ????? ?? ?? ??????? Unix ?????(Unix timestamp) ?? ????? ?? ?? ??????? ??? ?????? ?? ??(?-?-? ?:?:?)?? ?????:

PHP date('r', Unix timestamp)
Java String datetime = new java.text.SimpleDateFormat("dd/MM/yyyy HH:mm:ss").format(new java.util.Date(Unix timestamp * 1000))
JavaScript ?? var unixTimestamp = ??? ??(Unix timestamp * 1000) then commonTime = unixTimestamp.toLocaleString()
Linux date -d @Unix timestamp
MySQL from_unixtime(Unix timestamp)
Perl ?? ?$ time = ??? ????? ?? ?($sec, $min, $hour, $day, $month, $year) = (localtime($time))[0,1,2,3,4,5,6]
PostgreSQL SELECT TIMESTAMP WITH TIME ZONE 'time' + Unix timestamp) * INTERVAL '1 second';
Python import time then time.gmtime(Unix timestamp)
Ruby Time.at(Unix timestamp)
SQL Server DATEADD(s, Unix timestamp, '1970-01-01 00:00:00')
VBScript / ASP DateAdd("s", Unix timestamp, "01/01/1970 00:00:00")
??? ?? ???: