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嗨,我现在做简单的批处理文件,我试图在最后添加正确的答案编号,但它一直说零,因为当选择答案时变量值不会改变。这里是我的代码如下如何设置变量值如果
@echo off
title Game One
color 1f
::#############################
:one
set correctn=0
set correctn2=0
cls
echo What is 2 + 2?
echo.
echo.
echo A) 6
echo B) 4
echo C) 49
echo D) 17
echo.
echo.
echo Type the correct answer.
set /p ch1=
echo.
echo.
if not defined ch1 (goto one)
if %ch1%==A goto no
if %ch1%==A correctn=0
if %ch1%==B goto yes
if %ch1%==B correctn=1
if %ch1%==C goto no
if %ch1%==C correctn=0
if %ch1%==D goto no
if %ch1%==D correctn=0
pause>null
::#########################################
:no
cls
echo Sorry, that answer is incorrect.
echo.
echo.
echo The correct choice was B, which was 4.
pause>null
goto two
::#########################################
:yes
cls
echo You are correct. Congratulations.
echo Press any key to continue.
pause>null
goto two
::##########################################
:two
cls
echo What is 100 divided by 2?
echo A) 45
echo B) 50
echo C) 90
echo D) 17
echo.
echo.
set/p ch2=
echo.
echo.
if not defined ch2 (goto two)
if %ch2%==A goto no2
if %ch2%==A correctn2=0
if %ch2%==B goto yes2
if %ch2%==B correctn2=1
if %ch2%==C goto no2
if %ch2%==C correctn2=0
if %ch2%==D goto no2
if %ch2%==D correctn2=0
echo Invalid Choice, Please Try Again!
pause>null
::#################################
:no2
cls
echo Sorry, that answer is incorrect.
echo.
echo.
echo The correct choice was B, which was 50.
pause>null
::########################################
:yes2
cls
echo You are correct. Congratulations.
echo Press any key to continue.
pause>null
goto end
::######################################
:end
set/a correct=%correctn% + %correctn2%
echo Number of answers correct was %correct%
pause>null
那么如果如果已经变量存在if语句如何更改变量值?
你缺少** *设置*关键字。 EG使用**如果%ch1%== A set correctn = 0 ** –
没有抱歉,我试过了,但没有奏效。但是我做了一些让它工作的东西,问题是我的if,我改变它,以便它在下一页之前设置值。但是你帮我弄清楚了这一套 –