时间戳转换

获取现行时间戳(Unix timestamp)方法:
语言 方法
JavaScript Math.round(new Date().getTime()/1000)
Microsoft .NET / C# epoch = (DateTime.Now.ToUniversalTime().Ticks - 621355968000000000) / 10000000
MySQL SELECT unix_timestamp(now())
Perl time
PHP time()
PostgreSQL SELECT extract(epoch FROM now())
Python import time
time.time()
Ruby Time.now
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())
其他操作系统
(如果Perl被安装在系统中)
perl -e "print time"
时间戳(Unix timestamp)转到标准时间
语言 方法
Java String date = new java.text.SimpleDateFormat("dd/MM/yyyy HH:mm:ss").format(new java.util.Date( Unix timestamp * 1000))
JavaScript var unixTimestamp = new Date( Unix timestamp * 1000)
commonTime = unixTimestamp.toLocaleString()
Linux date -d @Unix timestamp
MySQL from_unixtime(Unix timestamp)
Perl my $time = Unix timestamp
my ($sec, $min, $hour, $day, $month, $year) = (localtime($time))[0,1,2,3,4,5,6]
PHP date('r', Unix timestamp)
PostgreSQL SELECT TIMESTAMP WITH TIME ZONE 'epoch' + Unix timestamp) * INTERVAL '1 second';
Python import time
time.strftime("%Y-%m-%d %H:%M:%S",time.localtime(time.time()))
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")
其他操作系统
(如果Perl被安装在系统中)
perl -e "print scalar(localtime(Unix timestamp))"
标准时间转到Unix时间戳(Unix timestamp)
语言 方法
Java long epoch = 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)
Perl use Time::Local
my $time = timelocal($sec, $min, $hour, $day, $month, $year);
PHP mktime(hour, minute, second, month, day, year)
PostgreSQL SELECT extract(epoch FROM date('YYYY-MM-DD HH:MM:SS'));
Python import time
time.mktime(time.strptime('2019-7-25 12:00:00', '%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', time)
Unix / Linux date +%s -d"Jan 1, 1970 00:00:01"
VBScript / ASP DateDiff("s", "01/01/1970 00:00:00", time)
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