
CODE: [Copy to clipboard]call set b=%%a:~%1%,%2%%
CODE: [Copy to clipboard]这里错了,跟我的一样吗?call set b=%a:~%1%,%2%%
echo %b%>ttttttttt.txt
CODE: [Copy to clipboard]@ECHO %dbg% OFF
setlocal ENABLEDELAYEDEXPANSION
set a=a b c d e f g
set 1=0
set 2=1
call set b=%%a:~!1!,!2!%%
echo %b%>ttttttttt.txt
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