DOS:%date% 和 %time%
2007-08-08 23:13
C:/>echo %date%
2007-08-08 星期三
C:/>echo %date:~0,4%
2007
备份文件夹
xcopy E:/MySQL/"MySQL Server 5.0"/data c:/bk/%date:~11%/ /e/y
带有空格的文件夹用引号
C:/>echo %date%
2007-08-08 星期三
C:/>echo %date:~0,4%
2007
备份文件夹
xcopy E:/MySQL/"MySQL Server 5.0"/data c:/bk/%date:~11%/ /e/y
带有空格的文件夹用引号