Question

嘿所以我在上一篇文章中找到了这段代码，但我无法弄清楚如何扩展它以便它有两个以上的选项。任何人都可以帮我一把吗？

@echo off
echo What would you like to install?
echo 1 - App1
echo 2 - App2

set /p whatapp=

if %whatapp%==1 (
    codetoinstallapp1
) else if %whatapp%==2 (
    codetoinstallapp2
) else (
    echo invalid choice
)

Answer 1

也许合适（方便）的缩进可以帮助理解nested ifs：

@echo off
echo What would you like to install?
echo 1 - App1
echo 2 - App2
echo 3 - App3
echo 4 - App4

set /p "whatapp=What would you like to install?"
set /A "whatapp=whatapp"

if %whatapp%==1 (
    codetoinstallapp1
) else if %whatapp%==2 (
           codetoinstallapp2
       ) else if %whatapp%==3 (
                  codetoinstallapp3
              ) else if %whatapp%==4 (
                         codetoinstallapp4
                     ) else ( echo %whatapp% invalid choice )

如您所见，( echo %whatapp% invalid choice )命令您可以通过下一个嵌套

重复替换

if %whatapp%==N (
    codetoinstallappN
) else ( echo %whatapp% invalid choice )

批量菜单扩展？

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