如何在不同编程语言中获取现在的Unix时间戳(Unix timestamp)?
Java |
time |
JavaScript |
Math.round(new Date().getTime()/1000) getTime()返回数值的单位是毫秒 |
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 |
先 import time 然后 time.time() |
Ruby |
获取Unix时间戳:Time.now 或 Time.new 显示Unix时间戳: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) |
命令行状态:perl -e "print time" |
如何在不同编程语言中实现Unix时间戳(Unix timestamp) → 普通时间?
如何在不同编程语言中实现普通时间 → Unix时间戳(Unix timestamp)?
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) 时间格式: YYYY-MM-DD HH:MM:SS 或 YYMMDD 或 YYYYMMDD |
Perl |
先 use Time::Local 然后 my $time = timelocal($sec, $min, $hour, $day, $month, $year); |
PHP |
mktime(hour, minute, second, day, month, year) |
PostgreSQL |
SELECT extract(epoch FROM date('YYYY-MM-DD HH:MM:SS')); |
Python |
先 import time 然后 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', 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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