aber02zzl

这是我自己学习后的一个例子，搞了好久，还有很多不完善的地方，大家勉强看看吧

@echo off 
:0
cls
echo #################
echo how are you 
echo 1.how are you
echo 2.nice to see you 
echo 3.bye
echo #################
echo.
set /p s=choose:
if %s% equ 1 goto a
if %s% equ 2 goto b
if %s% equ 3 goto end
if %s% neq 1 goto 4
if %s% neq 2 goto 4
if %s% neq 3 goto 4
:a
echo how are you
pause >null
goto 0
:b
echo nice to see you
pause>null
goto 0
:4
echo error
pause>null
goto 0
:end
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发完仔细检查发现这里面有个错误，欢迎大家指正！

aber02zzl

这是我改正后的，应该没有逻辑错误了

@echo off 
:0
cls
echo #################
echo how are you 
echo 1.how are you
echo 2.nice to see you 
echo 3.bye
echo #################
echo.
set /p s=choose:
if %s% equ 1 goto a
if %s% equ 2 goto b
if %s% equ 3 goto end
echo error! input again!
pause>null
cls
goto 0
:a
echo how are you 
pause >null
goto 0
:b
echo nice to see you
pause>null
goto 0
:end
复制代码