@echo off & setlocal enabledelayedexpansion

copy nul output.txt >nul

:loop1
set /p c=请输入一个字符：
if "!c!" == "" goto end
call :choice
set c=
goto loop1

:choice
echo case "!c!":>>output.txt
set /p d=请输入代码：
echo,  !d!>>output.txt
echo break;>>output.txt
goto :eof

:end
start notepad output.txt
goto :eof
复制代码