BAT 批处理获取时间

1.不同电脑时间默认格式不同，可以打印查看格式

@echo off

echo %date%
echo %time%

pause

2.日期为：Sun 09/26/2021，使用如下

SET NowDate=%date:~10,4%%date:~4,2%%date:~7,2%

3.日期为：周日 2021/09/26，使用如下

SET NowDate=%date:~3,4%%date:~8,2%%date:~11,2%

4.时间为：10:45:25.49，使用如下

SET NowTime=%time:~0,2%%time:~3,2%%time:~6,2%

5.Demo

@echo off

echo %date%
echo %time%

SET NowDate=%date:~10,4%%date:~4,2%%date:~7,2%
REM SET NowDate=%date:~3,4%%date:~8,2%%date:~11,2%
SET NowTime=%time:~0,2%%time:~3,2%%time:~6,2%
SET DirToBackup=V-%NowDate%-%NowTime%
echo %DirToBackup%

pause

6.输出

Sun 09/26/2021
11:03:20.13
V-20210926-110320
Press any key to continue . . .