Delphi自定义获取网卡MAC地址过程
//获取网卡MAC地址===============================================================procedure CvtInt;
asm
OR CL,CL
JNZ @CvtLoop
@C1: OR EAX,EAX
JNS @C2
NEG EAX
CALL @C2
MOV AL,'-'
INC ECX
DEC ESI
MOV ,AL
RET
@C2: MOV ECX,10
@CvtLoop:
PUSH EDX
PUSH ESI
@D1: XOR EDX,EDX
DIV ECX
DEC ESI
ADD DL,'0'
CMP DL,'0'+10
JB @D2
ADD DL,('A'-'0')-10
@D2: MOV ,DL
OR EAX,EAX
JNE @D1
POP ECX
POP EDX
SUB ECX,ESI
SUB EDX,ECX
JBE @D5
ADD ECX,EDX
MOV AL,'0'
SUB ESI,EDX
JMP @z
@zloop: MOV ,AL
@z: DEC EDX
JNZ @zloop
MOV ,AL
@D5:
end;
function IntToHex(Value: Integer; Digits: Integer): string;
asm
CMP EDX, 32 // Digits < buffer length?
JBE @A1
XOR EDX, EDX
@A1: PUSH ESI
MOV ESI, ESP
SUB ESP, 32
PUSH ECX // result ptr
MOV ECX, 16 // base 16 EDX = Digits = field width
CALL CvtInt
MOV EDX, ESI
POP EAX // result ptr
CALL System.@LStrFromPCharLen
ADD ESP, 32
POP ESI
end;
function MacAddress: string; //获取MAC信息
var
Lib: Cardinal;
Func: function(GUID: PGUID): Longint; stdcall;
GUID1, GUID2: TGUID;
begin
Result :='';
Lib := LoadLibrary('rpcrt4.dll');
if Lib <> 0 then
begin
@Func := GetProcAddress(Lib, 'UuidCreateSequential');
if Assigned(Func) then
begin
if (Func(@GUID1) = 0) and
(Func(@GUID2) = 0) and
(GUID1.D4 = GUID2.D4) and
(GUID1.D4 = GUID2.D4) and
(GUID1.D4 = GUID2.D4) and
(GUID1.D4 = GUID2.D4) and
(GUID1.D4 = GUID2.D4) and
(GUID1.D4 = GUID2.D4) then
begin
Result :=
IntToHex(GUID1.D4, 2) + '-' +
IntToHex(GUID1.D4, 2) + '-' +
IntToHex(GUID1.D4, 2) + '-' +
IntToHex(GUID1.D4, 2) + '-' +
IntToHex(GUID1.D4, 2) + '-' +
IntToHex(GUID1.D4, 2);
end;
end;
FreeLibrary(Lib);
end;
end;
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