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" |
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如何在不同编程语言中实现Unix时间戳(Unix timestamp) → 普通时间？ |
| Java | String date = new java.text.SimpleDateFormat("dd/MM/yyyy HH:mm:ss").format(new java.util.Date(Unix timestamp * 1000)) | | JavaScript | 先 var unixTimestamp = new Date(Unix timestamp*1000)然后commonTime = unixTimestamp.toLocaleString() | | Linux | date -d @Unix timestamp | | MySQL | from_unixtime(Unix timestamp) | | Perl | 先my $time = Unix timestamp然后my($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 | 先 import time 然后 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") | 其他操作系统
(如果Perl被安装在系统中) | 命令行状态：perl -e "print scalar(localtime(Unix timestamp))" |
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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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