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Java
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time
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JavaScript
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Math.round(new Date().getTime()/1000)
getTime()返回数值的单位是毫秒
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Microsoft .NET / C#
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epoch = (DateTime.Now.ToUniversalTime().Ticks - 621355968000000000) / 10000000
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MySQL
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SELECT unix_timestamp(now())
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Perl
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time
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PHP
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time()
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PostgreSQL
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SELECT extract(epoch FROM now())
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Python
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先 import time 然后 time.time()
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Ruby
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获取Unix时间戳：Time.now 或 Time.new
显示Unix时间戳：Time.now.to_i
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SQL Server
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SELECT DATEDIFF(s, '1970-01-01 00:00:00', GETUTCDATE())
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Unix / Linux
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date +%s
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VBScript / ASP
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DateDiff("s", "01/01/1970 08:00:00", Now())
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| lua | os.time() 返回时间戳 |
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其他操作系统
(如果Perl被安装在系统中)
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命令行状态：perl -e "print time"
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