smss

SetLocal EnableDelayedExpansion
if defined #!list-do! (set 变量=未知)else set 变量=没有
pause
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smss

回复 3# yunyan100
把你代码发上来

smss

@Echo off&SetLocal EnableDelayedExpansion
for /f "tokens=2* delims=-" %%a in (1.txt) do set n=%%a&echo !n:~4,-1!
pause
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