例如文件名为CDEFG
set date=%date:~0,4%%date:~5,2%%date:~8,2%
echo **********%filename%************
echo 变化后******************
ren CD*.zip %filename:~0,-4%-%date%.zip
for /f "delims=" %%A in ('dir /b CD*.zip') do set "newname=%%A"
echo **********%newname%************
pause