@echo off
set str1=I am one
set str2=I am two
set str3=I am three
set strerr=I don't know who am I
:comeon
echo Please input your number:
set /p a=
if "%a%" equ "1" (
echo %str1%
) else if "%a%" equ "2" (
echo %str2%
) else if "%a%" equ "3" (
echo %str3%
) else (
echo %strerr%
)
goto :comeon
如果按照楼上的写法,似乎以下来的更简单:
@echo off
set "str1=I am one"
set "str2=I am two"
set "str3=I am three"
set "strerr=I don't know who am I"
:comeon
echo Please input your number:
set /p a=
if defined str%a% (call echo %%str%a%%%) else echo %strerr%
goto :comeon