Batcher

回复 1# TAT


解决第一个问题：

@echo off
setlocal enabledelayedexpansion
:GetInput
set "str="
set /p "str=请输入字符串："
if "x!str!" equ "x" (
    goto :GetInput
)
set "len=0"
for /l %%i in (0,0,0) do (
    set /a len=!len!+1
    echo !str!	!str:~-1!
    if /i "!str!" equ "!str:~-1!" (
        echo 此字符串长度为len=!len!
        pause
        exit
    )
    set "str=!str:~-0,-1!"
)
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