cainiao736

@echo off
set /p var1=请输入字符串：
set n=0
set var=%var1% #
:begin
set /a n+=1
set /a m=%n%+2
for /f "tokens=%n%,%m%" %%i in ("%var%") do (
if "%%j"=="#" (echo %%i)  else (goto begin))
pause
复制代码

通过给字符串末尾加个#来判断实现