盘符与设备名称转换 (C: <---> \Device\HarddiskVolume1)

最新推荐文章于 2025-07-10 11:23:19 发布

原创最新推荐文章于 2025-07-10 11:23:19 发布 · 1w 阅读

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#c #path

本文通过一个C++示例程序展示了如何枚举计算机上从C盘到Z盘的所有磁盘符号，并使用Windows API函数QueryDosDevice获取每个磁盘符对应的设备路径。

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#include <string.h>
#include <Windows.h>
#include <tchar.h>
#include <stdio.h>
int _tmain (int argc, _TCHAR * argv[])
{
         TCHAR drv = 0;
         TCHAR cDiskSymbol [] = _T( "C:");
         for(drv =_T( 'C'); drv <= _T( 'Z'); drv ++)
        {
                 cDiskSymbol[0] = drv ;
                {
                         TCHAR szBuf [MAX_PATH] = { 0 };
                         QueryDosDevice(cDiskSymbol , szBuf, MAX_PATH);
                         _tprintf(_T ("==== %s === %s  ===\n"), cDiskSymbol , szBuf);
                }
        }
         getchar();
         return 0;
}

--------------------------------------------------------------------------------------------

输出结果

==== C: === \Device\HarddiskVolume1 ===
==== D: === \Device\HarddiskVolume2 ===
==== E: === \Device\HarddiskVolume3 ===
==== F: === \Device\CdRom0 ===
==== G: === \Device\HarddiskVolume4 ===
==== H: ===   ===
==== I: === \Device\HarddiskVolume5 ===
==== J: ===   ===
==== K: ===   ===
==== L: ===   ===
==== M: ===   ===
==== N: ===   ===
==== O: ===   ===
==== P: ===   ===
==== Q: ===   ===
==== R: ===   ===
==== S: ===   ===
==== T: ===   ===
==== U: ===   ===
==== V: ===   ===
==== W: ===   ===
==== X: ===   ===
==== Y: ===   ===
==== Z: ===   ===

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