windows 获取时间戳

取年份：　　echo %date:~0,4% 
取月份：　　echo %date:~5,2% 
取日期：　　echo %date:~8,2% 
取星期：　　echo %date:~10,6% 
取小时：　　echo %time:~0,2% 
取分钟：　　echo %time:~3,2% 
取秒：　　echo %time:~6,2% 
取毫秒：　　echo %time:~9,2%

@set "Ymd=%date:~,4%%date:~5,2%%date:~8,2%"

echo %Ymd%
:: 显示当前年月日

@set "nowtime=%DATE:~0,4%%DATE:~5,2%%DATE:~8,2%%TIME:~0,2%%TIME:~3,2%%TIME:~6,2%"
echo %nowtime%  
:: 显示当前时间

:: 移动重命名 123 为时间命名
move 123 123-%nowtime%