求助代码查错：‘if’ 不是内部或外部命令，也不是可运行的程序

674478095

1. @echo off
   
2. setlocal enabledelayedexpansion
   
3. echo.
   
4. set Drive=0
   
5. For /F "Skip=1" %%i in ('Wmic Logicaldisk Where "DriveType=3" Get Name') Do (
   
6. set /a Drive=!Drive!+1
   
7. set Drive[!Drive!]=%%i
   
8. )
   
9. set /a Drive=!Drive!-1
   
10. set var=1
    
11. :DriveChoose
    
12. echo.
    
13. set /p output=请选择安装磁盘(<nul
    
14. for /l %%i in (1,1,!Drive!) do (
    
15. call set  /p output=%%Drive[%%i]::=%%/<nul)
    
16. echo )
    
17. set  /p enter=请输入安装磁盘:
    
18. for /l %%i in (1,1,!Drive!) do (
    
19. call set "output=if [%%%%enter%%%%]==%%Drive[%%i]::=%% do (set var=0)"
    
20. !output!
    
21. )
    
22. if %var%==1 (goto :DriveChoose)
    
23. echo ............
    
24. pause

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happy886rr

1. %output%

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回复 1# 674478095

gawk

1. @echo off
   
2. setlocal enabledelayedexpansion
   
3. set drive=0
   
4. for /f "skip=1" %%i in ('wmic logicaldisk where "drivetype=3" get name') do (
   
5.     set /a drive+=1
   
6.     set drive[!drive!]=%%i
   
7. )
   
8. set /a drive-=1
   
9. set var=1
   
10. :drivechoose
    
11. echo.
    
12. set /p output=请选择安装磁盘(<nul
    
13. for /l %%i in (1,1,!drive!) do (
    
14.     call set  /p output=%%drive[%%i]::=%%/<nul)
    
15.     echo 
    
16. )
    
17. set  /p enter=请输入安装磁盘:
    
18. for /l %%i in (1,1,!drive!) do (
    
19.     set str=!drive[%%i]:~0,1!
    
20.     if /i "!enter!"=="!str!" (
    
21.         set var=0
    
22.     )
    
23. )
    
24. if %var%==1 (goto :drivechoose)
    
25. echo ............
    
26. pause
    

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CrLf

if 和 for 最特殊，不能通过 !var! 或 %%a 的形式执行，甚至不能前置重定向