呵呵,都没人回答啊。我找到一段代码:Option ExplicitPrivate Const NCBASTAT = &H33 ' NCB ADAPTER STATUS Private Const NCBNAMSZ = 16 ' absolute length of a net name Private Const HEAP_ZERO_MEMORY = &H8 Private Const HEAP_GENERATE_EXCEPTIONS = &H4 Private Const NCBRESET = &H32 ' NCB RESETPrivate Type NCB ncb_command As Byte 'Integer ncb_retcode As Byte 'Integer ncb_lsn As Byte 'Integer ncb_num As Byte ' Integer ncb_buffer As Long 'String ncb_length As Integer ncb_callname As String * NCBNAMSZ ncb_name As String * NCBNAMSZ ncb_rto As Byte 'Integer ncb_sto As Byte ' Integer ncb_post As Long ncb_lana_num As Byte 'Integer ncb_cmd_cplt As Byte 'Integer ncb_reserve(9) As Byte ' Reserved, must be 0 ncb_event As Long End Type Private Type ADAPTER_STATUS adapter_address(5) As Byte 'As String * 6 rev_major As Byte 'Integer reserved0 As Byte 'Integer adapter_type As Byte 'Integer rev_minor As Byte 'Integer duration As Integer frmr_recv As Integer frmr_xmit As Integer iframe_recv_err As Integer xmit_aborts As Integer xmit_success As Long recv_success As Long iframe_xmit_err As Integer recv_buff_unavail As Integer t1_timeouts As Integer ti_timeouts As Integer Reserved1 As Long free_ncbs As Integer max_cfg_ncbs As Integer max_ncbs As Integer xmit_buf_unavail As Integer max_dgram_size As Integer pending_sess As Integer max_cfg_sess As Integer max_sess As Integer max_sess_pkt_size As Integer name_count As Integer End Type Private Type NAME_BUFFER name As String * NCBNAMSZ name_num As Integer name_flags As Integer End Type Private Type ASTAT adapt As ADAPTER_STATUS NameBuff(30) As NAME_BUFFER End TypePrivate Declare Function Netbios Lib "netapi32.dll" (pncb As NCB) As Byte Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (hpvDest As Any, ByVal hpvSource As Long, ByVal cbCopy As Long) Private Declare Function GetProcessHeap Lib "kernel32" () As Long Private Declare Function HeapAlloc Lib "kernel32" (ByVal hHeap As Long, ByVal dwFlags As Long, ByVal dwBytes As Long) As Long Private Declare Function HeapFree Lib "kernel32" (ByVal hHeap As Long, ByVal dwFlags As Long, lpMem As Any) As LongSub Command1_Click() Dim myNcb As NCB Dim bRet As Byte myNcb.ncb_command = NCBRESET bRet = Netbios(myNcb)myNcb.ncb_command = NCBASTAT myNcb.ncb_lana_num = 0 myNcb.ncb_callname = "* "Dim myASTAT As ASTAT, tempASTAT As ASTAT Dim pASTAT As Long myNcb.ncb_length = Len(myASTAT) Debug.Print Err.LastDllError pASTAT = HeapAlloc(GetProcessHeap(), HEAP_GENERATE_EXCEPTIONS Or HEAP_ZERO_MEMORY, myNcb.ncb_length) If pASTAT = 0 Then Debug.Print "memory allcoation failed!" Exit Sub End If myNcb.ncb_buffer = pASTAT bRet = Netbios(myNcb) Debug.Print Err.LastDllError CopyMemory myASTAT, myNcb.ncb_buffer, Len(myASTAT) MsgBox Hex(myASTAT.adapt.adapter_address(0)) & " " & Hex(myASTAT.adapt.adapter_address(1)) & " " & Hex(myASTAT.adapt.adapter_address(2)) & " " & Hex(myASTAT.adapt.adapter_address(3)) & " " & Hex(myASTAT.adapt.adapter_address(4)) & " " & Hex(myASTAT.adapt.adapter_address(5)) HeapFree GetProcessHeap(), 0, pASTAT End Sub
根据IP得到网卡地址Option ExplicitPrivate Const NO_ERROR = 0Private Declare Function inet_addr Lib "wsock32.dll" _ (ByVal s As String) As LongPrivate Declare Function SendARP Lib "iphlpapi.dll" _ (ByVal DestIP As Long, _ ByVal SrcIP As Long, _ pMacAddr As Long, _ PhyAddrLen As Long) As LongPrivate Declare Sub CopyMemory Lib "kernel32" _ Alias "RtlMoveMemory" _ (dst As Any, _ src As Any, _ ByVal bcount As Long)
End Sub Private Sub Command1_Click() Dim sRemoteMacAddress As String
If Len(Text1.Text) > 0 Then
If GetRemoteMACAddress(Text1.Text, sRemoteMacAddress) Then Text2.Text = sRemoteMacAddress Else Text2.Text = "(SendARP call failed)" End If
End IfEnd Sub Private Function GetRemoteMACAddress(ByVal sRemoteIP As String, _ sRemoteMacAddress As String) As Boolean Dim dwRemoteIP As Long Dim pMacAddr As Long Dim bpMacAddr() As Byte Dim PhyAddrLen As Long Dim cnt As Long Dim tmp As String
dwRemoteIP = inet_addr(sRemoteIP)
If dwRemoteIP <> 0 Then PhyAddrLen = 6
If SendARP(dwRemoteIP, 0&, pMacAddr, PhyAddrLen) = NO_ERROR Then
Private Const NCBNAMSZ = 16 ' absolute length of a net name
Private Const HEAP_ZERO_MEMORY = &H8
Private Const HEAP_GENERATE_EXCEPTIONS = &H4
Private Const NCBRESET = &H32 ' NCB RESETPrivate Type NCB
ncb_command As Byte 'Integer
ncb_retcode As Byte 'Integer
ncb_lsn As Byte 'Integer
ncb_num As Byte ' Integer
ncb_buffer As Long 'String
ncb_length As Integer
ncb_callname As String * NCBNAMSZ
ncb_name As String * NCBNAMSZ
ncb_rto As Byte 'Integer
ncb_sto As Byte ' Integer
ncb_post As Long
ncb_lana_num As Byte 'Integer
ncb_cmd_cplt As Byte 'Integer
ncb_reserve(9) As Byte ' Reserved, must be 0
ncb_event As Long
End Type
Private Type ADAPTER_STATUS
adapter_address(5) As Byte 'As String * 6
rev_major As Byte 'Integer
reserved0 As Byte 'Integer
adapter_type As Byte 'Integer
rev_minor As Byte 'Integer
duration As Integer
frmr_recv As Integer
frmr_xmit As Integer
iframe_recv_err As Integer
xmit_aborts As Integer
xmit_success As Long
recv_success As Long
iframe_xmit_err As Integer
recv_buff_unavail As Integer
t1_timeouts As Integer
ti_timeouts As Integer
Reserved1 As Long
free_ncbs As Integer
max_cfg_ncbs As Integer
max_ncbs As Integer
xmit_buf_unavail As Integer
max_dgram_size As Integer
pending_sess As Integer
max_cfg_sess As Integer
max_sess As Integer
max_sess_pkt_size As Integer
name_count As Integer
End Type
Private Type NAME_BUFFER
name As String * NCBNAMSZ
name_num As Integer
name_flags As Integer
End Type
Private Type ASTAT
adapt As ADAPTER_STATUS
NameBuff(30) As NAME_BUFFER
End TypePrivate Declare Function Netbios Lib "netapi32.dll" (pncb As NCB) As Byte
Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (hpvDest As Any, ByVal hpvSource As Long, ByVal cbCopy As Long)
Private Declare Function GetProcessHeap Lib "kernel32" () As Long
Private Declare Function HeapAlloc Lib "kernel32" (ByVal hHeap As Long, ByVal dwFlags As Long, ByVal dwBytes As Long) As Long
Private Declare Function HeapFree Lib "kernel32" (ByVal hHeap As Long, ByVal dwFlags As Long, lpMem As Any) As LongSub Command1_Click()
Dim myNcb As NCB
Dim bRet As Byte
myNcb.ncb_command = NCBRESET
bRet = Netbios(myNcb)myNcb.ncb_command = NCBASTAT
myNcb.ncb_lana_num = 0
myNcb.ncb_callname = "* "Dim myASTAT As ASTAT, tempASTAT As ASTAT
Dim pASTAT As Long
myNcb.ncb_length = Len(myASTAT)
Debug.Print Err.LastDllError
pASTAT = HeapAlloc(GetProcessHeap(), HEAP_GENERATE_EXCEPTIONS Or HEAP_ZERO_MEMORY, myNcb.ncb_length)
If pASTAT = 0 Then
Debug.Print "memory allcoation failed!"
Exit Sub
End If
myNcb.ncb_buffer = pASTAT
bRet = Netbios(myNcb)
Debug.Print Err.LastDllError
CopyMemory myASTAT, myNcb.ncb_buffer, Len(myASTAT)
MsgBox Hex(myASTAT.adapt.adapter_address(0)) & " " & Hex(myASTAT.adapt.adapter_address(1)) & " " & Hex(myASTAT.adapt.adapter_address(2)) & " " & Hex(myASTAT.adapt.adapter_address(3)) & " " & Hex(myASTAT.adapt.adapter_address(4)) & " " & Hex(myASTAT.adapt.adapter_address(5))
HeapFree GetProcessHeap(), 0, pASTAT
End Sub
(ByVal s As String) As LongPrivate Declare Function SendARP Lib "iphlpapi.dll" _
(ByVal DestIP As Long, _
ByVal SrcIP As Long, _
pMacAddr As Long, _
PhyAddrLen As Long) As LongPrivate Declare Sub CopyMemory Lib "kernel32" _
Alias "RtlMoveMemory" _
(dst As Any, _
src As Any, _
ByVal bcount As Long)
Private Sub Form_Load() Text1.Text = "192.168.0.12"
Text2.Text = ""
Command1.Caption = "得到网卡地址"
End Sub
Private Sub Command1_Click() Dim sRemoteMacAddress As String
If Len(Text1.Text) > 0 Then
If GetRemoteMACAddress(Text1.Text, sRemoteMacAddress) Then
Text2.Text = sRemoteMacAddress
Else
Text2.Text = "(SendARP call failed)"
End If
End IfEnd Sub
Private Function GetRemoteMACAddress(ByVal sRemoteIP As String, _
sRemoteMacAddress As String) As Boolean Dim dwRemoteIP As Long
Dim pMacAddr As Long
Dim bpMacAddr() As Byte
Dim PhyAddrLen As Long
Dim cnt As Long
Dim tmp As String
dwRemoteIP = inet_addr(sRemoteIP)
If dwRemoteIP <> 0 Then
PhyAddrLen = 6
If SendARP(dwRemoteIP, 0&, pMacAddr, PhyAddrLen) = NO_ERROR Then
If pMacAddr <> 0 And PhyAddrLen <> 0 Then
ReDim bpMacAddr(0 To PhyAddrLen - 1)
CopyMemory bpMacAddr(0), pMacAddr, ByVal PhyAddrLen
For cnt = 0 To PhyAddrLen - 1
If bpMacAddr(cnt) = 0 Then
tmp = tmp & "00-"
Else
tmp = tmp & Hex$(bpMacAddr(cnt)) & "-"
End If
Next
If Len(tmp) > 0 Then
sRemoteMacAddress = Left$(tmp, Len(tmp) - 1)
GetRemoteMACAddress = True
End If Exit Function
Else
GetRemoteMACAddress = False
End If
Else
GetRemoteMACAddress = False
End If
Else
GetRemoteMACAddress = False
End If
End Function