windows命令行获取时间

获取系统日期：

%date%

获取系统时间：

%time%

修改时间连接符号

%date:~0,4%.%date:~5,2%.%date:~8,2%.%time:~0,2%.%time:~3,2%.%time:~6,2%%time:~8,3%

批处理参数传递

set "T=%date:~0,4%.%date:~5,2%.%date:~8,2%.%time:~0,2%.%time:~3,2%.%time:~6,2%%time:~8,3%"

输出参数T

echo %T%

示例：

C:\Users\Administrator>set "T=%date:~0,4%.%date:~5,2%.%date:~8,2%.%time:~0,2%.%t
ime:~3,2%.%time:~6,2%%time:~8,3%"

C:\Users\Administrator>echo %T%
2021.06.10.16.30.54.52

C:\Users\Administrator>