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这是DELPHI2007及以下版本获取硬盘序列号的函数，但在DELPHI2009编译后得到的却是乱码 function GetIdeSerialNumber : pchar; //获取第一个IDE硬盘的序列号 //调用方法：EDIT.TEXT:='HardDriver SerialNumber:'+strpas(GetIdeSerialNumber); const IDENTIFY_BUFFER_SIZE = 512; type TIDERegs = packed record bFeaturesReg : BYTE; // Used for specifying SMART "commands". bSectorCountReg : BYTE; // IDE sector count register bSectorNumberReg : BYTE; // IDE sector number register bCylLowReg : BYTE; // IDE low order cylinder value bCylHighReg : BYTE; // IDE high order cylinder value bDriveHeadReg : BYTE; // IDE drive/head register bCommandReg : BYTE; // Actual IDE command. bReserved : BYTE; // reserved for future use. Must be zero. end; TSendCmdInParams = packed record // Buffer size in bytes cBufferSize : DWORD; // Structure with drive register values. irDriveRegs : TIDERegs; // Physical drive number to send command to (0,1,2,3). bDriveNumber : BYTE; bReserved : Array[0..2] of Byte; dwReserved : Array[0..3] of DWORD; bBuffer : Array[0..0] of Byte; // Input buffer. end; TIdSector = packed record wGenConfig : Word; wNumCyls : Word; wReserved : Word; wNumHeads : Word; wBytesPerTrack : Word; wBytesPerSector : Word; wSectorsPerTrack : Word; wVendorUnique : Array[0..2] of Word; sSerialNumber : Array[0..19] of CHAR; wBufferType : Word; wBufferSize : Word; wECCSize : Word; sFirmwareRev : Array[0..7] of Char; sModelNumber : Array[0..39] of Char; wMoreVendorUnique : Word; wDoubleWordIO : Word; wCapabilities : Word; wReserved1 : Word; wPIOTiming : Word; wDMATiming : Word; wBS : Word; wNumCurrentCyls : Word; wNumCurrentHeads : Word; wNumCurrentSectorsPerTrack : Word; ulCurrentSectorCapacity : DWORD; wMultSectorStuff : Word; ulTotalAddressableSectors : DWORD; wSingleWordDMA : Word; wMultiWordDMA : Word; bReserved : Array[0..127] of BYTE; end; PIdSector = ^TIdSector; TDriverStatus = packed record // 驱动器返回的错误代码，无错则返回0 bDriverError : Byte; // IDE出错寄存器的内容，只有当bDriverError 为 SMART_IDE_ERROR 时有效 bIDEStatus : Byte; bReserved : Array[0..1] of Byte; dwReserved : Array[0..1] of DWORD; end; TSendCmdOutParams = packed record // bBuffer的大小 cBufferSize : DWORD; // 驱动器状态 DriverStatus : TDriverStatus; // 用于保存从驱动器读出的数据的缓冲区，实际长度由cBufferSize决定 bBuffer : Array[0..0] of BYTE; end; var hDevice : THandle; cbBytesReturned : DWORD; SCIP : TSendCmdInParams; aIdOutCmd : Array [0..(SizeOf(TSendCmdOutParams)+IDENTIFY_BUFFER_SIZE-1)-1] of Byte; IdOutCmd : TSendCmdOutParams absolute aIdOutCmd; procedure ChangeByteOrder( var Data; Size : Integer ); var ptr : PChar; i : Integer; c : Char; begin ptr := @Data; for i := 0 to (Size shr 1)-1 do begin c := ptr^; ptr^ := (ptr+1)^; (ptr+1)^ := c; Inc(ptr,2); end; end; begin Result := ''; // 如果出错则返回空串 if SysUtils.Win32Platform=VER_PLATFORM_WIN32_NT then begin// Windows NT, Windows 2000 // 提示! 改变名称可适用于其它驱动器，如第二个驱动器： '//./PhysicalDrive1/' hDevice := CreateFile( '//./PhysicalDrive0', GENERIC_READ or GENERIC_WRITE, FILE_SHARE_READ or FILE_SHARE_WRITE, nil, OPEN_EXISTING, 0, 0 ); end else // Version Windows 95 OSR2, Windows 98 hDevice := CreateFile( '//./SMARTVSD', 0, 0, nil, CREATE_NEW, 0, 0 ); if hDevice=INVALID_HANDLE_VALUE then Exit; try FillChar(SCIP,SizeOf(TSendCmdInParams)-1,#0); FillChar(aIdOutCmd,SizeOf(aIdOutCmd),#0); cbBytesReturned := 0; // Set up data structures for IDENTIFY command. with SCIP do begin cBufferSize := IDENTIFY_BUFFER_SIZE; // bDriveNumber := 0; with irDriveRegs do begin bSectorCountReg := 1; bSectorNumberReg := 1; // if Win32Platform=VER_PLATFORM_WIN32_NT then bDriveHeadReg := $A0 // else bDriveHeadReg := $A0 or ((bDriveNum and 1) shl 4); bDriveHeadReg := $A0; bCommandReg := $EC; end; end; if not DeviceIoControl( hDevice, $0007c088, @SCIP, SizeOf(TSendCmdInParams)-1, @aIdOutCmd, SizeOf(aIdOutCmd), cbBytesReturned, nil ) then Exit; finally CloseHandle(hDevice); end; with PIdSector(@IdOutCmd.bBuffer)^ do begin ChangeByteOrder( sSerialNumber, SizeOf(sSerialNumber) ); (PChar(@sSerialNumber)+SizeOf(sSerialNumber))^ := #0; Result := PChar(@sSerialNumber); end; end;