分不多。。虚心求教各位delphi前辈如何写一个可以通用的 获取MAC地址的方法?
翻遍网络了。。网络上最常用的几种写法。全部都测试了。
包括用winsock。nb30。读取注册表 三种方法全都试过。可是在客户公司里。居然仅仅5台电脑。（同一次购买。所以cpu。硬盘。主板序列号全部一样。所以无法用获取这三个值作为判断用）
分不多，还望各位前辈能指点一下到底如何才能通用的代码获取MAC地址呢？跪求啦
翻遍网络了。。网络上最常用的几种写法。全部都测试了。
包括用winsock。nb30。读取注册表 三种方法全都试过。可是在客户公司里。居然仅仅5台电脑。（同一次购买。所以cpu。硬盘。主板序列号全部一样。所以无法用获取这三个值作为判断用）
分不多，还望各位前辈能指点一下到底如何才能通用的代码获取MAC地址呢？跪求啦
uses
WinSock;Function sendarp(ipaddr: ulong; temp: dword; ulmacaddr: pointer;
ulmacaddrleng: pointer): dword; StdCall;
External 'Iphlpapi.dll' Name 'SendARP';procedure TForm1.Button1Click(Sender: TObject);
var
myip: ulong;
mymac: array [0 .. 5] of byte;
mymaclength: ulong;
r: integer;
begin
myip := inet_addr(PChar('192.168.6.180'));
mymaclength := length(mymac);
r := sendarp(myip, 0, @mymac, @mymaclength);
label1.caption := 'errorcode:' + inttostr(r);
label2.caption := format('%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x',
[mymac[0], mymac[1], mymac[2], mymac[3], mymac[4], mymac[5]]);
end;[本文来自: 学Delphi网(http://www.xuedelphi.com/) ]详细出处参考：http://www.xuedelphi.cn/article/html2010/2011021813005770.html
可否给个实例看下。还没有用过winpcap。。不知如何入手
这个东西还真是一样的。同一批次生产出来的。所获得的值都是一样的。假货？国内又能力仿cpu这些东西了？
var
temp:longint;
begin
asm
PUSH EBX
PUSH EDI
MOV EDI,EAX
MOV EAX,1
DW $A20F
MOV TEMP,EDX
POP EDI
POP EBX
end;
result:=temp;
end;
// ======================================================================
//返回值是主机AServerName的MAC地址
//AServerName参数的格式为'ServerName' 或者 'ServerName'
//参数ServerName为空时返回本机的MAC地址
//MAC地址以'XX-XX-XX-XX-XX-XX'的格式返回
// ======================================================================function GetMacAddress(const AServerName: string): string;
type
TNetTransportEnum = function(pszServer: PWideChar;
Level: DWORD;
var pbBuffer: pointer;
PrefMaxLen: LongInt;
var EntriesRead: DWORD;
var TotalEntries: DWORD;
var ResumeHandle: DWORD): DWORD; stdcall; TNetApiBufferFree = function(Buffer: pointer): DWORD; stdcall; PTransportInfo = ^TTransportInfo;
TTransportInfo = record
quality_of_service: DWORD;
number_of_vcs: DWORD;
transport_name: PWChar;
transport_address: PWChar;
wan_ish: boolean;
end;var E, ResumeHandle,
EntriesRead,
TotalEntries: DWORD;
FLibHandle: THandle;
sMachineName,
sMacAddr,
Retvar: string;
pBuffer: pointer;
pInfo: PTransportInfo;
FNetTransportEnum: TNetTransportEnum;
FNetApiBufferFree: TNetApiBufferFree;
pszServer: array[0..128] of WideChar;
i, ii, iIdx: integer;
begin
sMachineName := trim(AServerName);
Retvar := '00-00-00-00-00-00'; // Add leading if missing
if (sMachineName <> '') and (length(sMachineName) >= 2) then begin
if copy(sMachineName, 1, 2) <> '' then
sMachineName := '' + sMachineName
end; // Setup and load from DLL
pBuffer := nil;
ResumeHandle := 0;
FLibHandle := LoadLibrary('NETAPI32.DLL'); // Execute the external function
if FLibHandle <> 0 then begin
@FNetTransportEnum := GetProcAddress(FLibHandle, 'NetWkstaTransportEnum');
@FNetApiBufferFree := GetProcAddress(FLibHandle, 'NetApiBufferFree');
E := FNetTransportEnum(StringToWideChar(sMachineName, pszServer, 129), 0,
pBuffer, -1, EntriesRead, TotalEntries, Resumehandle); if E = 0 then begin
pInfo := pBuffer; // Enumerate all protocols - look for TCPIP
for i := 1 to EntriesRead do begin
if pos('TCPIP', UpperCase(pInfo^.transport_name)) <> 0 then begin
// Got It - now format result 'xx-xx-xx-xx-xx-xx'
iIdx := 1;
sMacAddr := pInfo^.transport_address; for ii := 1 to 12 do begin
Retvar[iIdx] := sMacAddr[ii];
inc(iIdx);
if iIdx in [3, 6, 9, 12, 15] then inc(iIdx);
end;
end; inc(pInfo);
end;
if pBuffer <> nil then FNetApiBufferFree(pBuffer);
end; try
FreeLibrary(FLibHandle);
except
// 错误处理
end;
end;
result := Retvar;
end;function Tform1.GetIdeDiskSerialNumber(): string;
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;
wDoubleWordI: 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 // Windows NT, Windows 2000
begin
// 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;