aloha20200628

试试这个 for/f 一行流的结果...

@echo off
for /f tokens^=2^ delims^=^" %%2 in ('wmic logicaldisk where DeviceID^=^"d:^" assoc /assocclass:Win32_LogicalDiskToPartition') do set "v=%%2"
echo,DeviceID = %v%
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Batcher

test-1.bat

@echo off
REM 设置待查看的盘符
set "MyLetter=C:"
for /f "tokens=1-2 delims==" %%a in ('wmic LogicalDisk where "DeviceID='%MyLetter%'" assoc:value /resultclass:Win32_DiskPartition ^| findstr /b /c:"DiskIndex=" /c:"Index="') do (
    for /f "delims=" %%i in ("%%b") do (
        if "%%a" equ "DiskIndex" (
            set "LD2DI=%%i"
        ) else if "%%a" equ "Index" (
            set "LD2I=%%i"
        )
    )
)
echo Disk #%LD2DI%, Partition #%LD2I%
pause
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test-2.bat

@echo off
REM 设置待查看的盘符
set "MyLetter=C:"
for /f "tokens=3 delims==" %%a in ('wmic path Win32_LogicalDiskToPartition.Dependent^="Win32_LogicalDisk.DeviceID='%MyLetter%'" get Antecedent /value') do (
    set "DeviceID=%%a"
)
set "LD2Position=%DeviceID:~1,-3%"
echo,%LD2Position%
pause
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test-3.bat

@echo off
REM 查看系统盘符所在的硬盘和分区
set "MyLetter=%SystemDrive%"
for /f "tokens=3 delims==" %%a in ('wmic path Win32_LogicalDiskToPartition.Dependent^="Win32_LogicalDisk.DeviceID='%MyLetter%'" get Antecedent /value') do (
    set "DeviceID=%%a"
)
set "LD2Position=%DeviceID:~1,-3%"
echo,%LD2Position%
pause
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test-4.bat

@echo off
REM 查看系统盘符所在的硬盘和分区
for /f "tokens=2 delims==" %%i in ('wmic Partition where "BootPartition='true'" get DeviceID /value ^| find "="') do (
    for %%j in ("%%i") do (
        set "LD2Position=%%~j"
    )
)
echo,%LD2Position%
pause
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