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copy /y E:\wewe\1.bat  E:\wewe\backup
set "Ymd=%date:~,4%%date:~5,2%%date:~8,2%"
set "nt=%time:~,2%%time:~3,2%%time:~6,2%%time:~9,2%"
cd E:\wewe\backup
rename 1.bat %Ymd%-%nt%.bat

需要用到记录下。