/获取计算机Mac地址函数

//获取计算机Mac地址函数

function TFrm_Login.GetMacAddress: string;
var
   Lib: Cardinal;
   Func: function(GUID: PGUID): Longint; stdcall;
   GUID1, GUID2: TGUID;
begin
   Result := '';
   Lib := LoadLibrary('rpcrt4.dll');
   if Lib <> 0 then
   begin
     if Win32Platform <>VER_PLATFORM_WIN32_NT then
       @Func := GetProcAddress(Lib, 'UuidCreate')
       else @Func := GetProcAddress(Lib, 'UuidCreateSequential');
     if Assigned(Func) then
     begin
       if (Func(@GUID1) = 0) and
         (Func(@GUID2) = 0) and
         (GUID1.D4[2] = GUID2.D4[2]) and
         (GUID1.D4[3] = GUID2.D4[3]) and
         (GUID1.D4[4] = GUID2.D4[4]) and
         (GUID1.D4[5] = GUID2.D4[5]) and
         (GUID1.D4[6] = GUID2.D4[6]) and
         (GUID1.D4[7] = GUID2.D4[7]) then
       begin
         Result :=
          IntToHex(GUID1.D4[2], 2) +'-'+
          IntToHex(GUID1.D4[3], 2) +'-'+
          IntToHex(GUID1.D4[4], 2) +'-'+
          IntToHex(GUID1.D4[5], 2) +'-'+
          IntToHex(GUID1.D4[6], 2) +'-'+
          IntToHex(GUID1.D4[7], 2);
       end;
     end;
     FreeLibrary(Lib);
   end;
end;