'已知局域网内某机器的ip地址,如何得到他的机器名 用法: Print GetHostName("169.254.44.47") 'Mod Private Const WSADescription_Len As Long = 256 Private Const WSASYS_Status_Len As Long = 128 Private Const WS_VERSION_REQD As Long = &H101 Private Const IP_SUCCESS As Long = 0 Private Const SOCKET_ERROR As Long = -1 Private Const AF_INET As Long = 2Private Type WSADATA wVersion As Integer wHighVersion As Integer szDescription(0 To WSADescription_Len) As Byte szSystemStatus(0 To WSASYS_Status_Len) As Byte imaxsockets As Integer imaxudp As Integer lpszvenderinfo As Long End TypePrivate Declare Function WSAStartup Lib "wsock32.dll" (ByVal VersionReq As Long, WSADataReturn As WSADATA) As Long Private Declare Function WSACleanup Lib "wsock32.dll" () As Long Private Declare Function inet_addr Lib "wsock32.dll" (ByVal s As String) As Long Private Declare Function gethostbyaddr Lib "wsock32.dll" (haddr As Long, ByVal hnlen As Long, ByVal addrtype As Long) As Long Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (xDest As Any, xSource As Any, ByVal nbytes As Long) 'Private Declare Function lstrlen Lib "kernel32" Alias "lstrlenA"(lpString As Any) As Long '===================='通过ip得到主机名 Public Function GetHostName(ByVal sAddress As String) As String Dim ptrHosent As Long Dim hAddress As Long Dim nbytes As Long If SocketsInitialize() Then '转换地址字符串为一个long值 hAddress = inet_addr(sAddress) '获取HOSTENT结构的指针,该结构中包含了对应于网络地址的名称和地址 ptrHosent = gethostbyaddr(hAddress, 4, AF_INET) If ptrHosent <> 0 Then '转换地址,并获取已解析的主机名 CopyMemory ptrHosent, ByVal ptrHosent, 4 nbytes = lstrlen(ByVal ptrHosent) If nbytes > 0 Then sAddress = Space$(nbytes) CopyMemory ByVal sAddress, ByVal ptrHosent, nbytes GetHostName = sAddress End If Else: GetHostName = "" 'MsgBox "gethostbyaddr函数调用失败!" End If 'If ptrHosent SocketsCleanup End If 'If SocketsInitialize End Function
看这个好东西:新建一模块,写入如下代码:Option Explicit Private Const RESOURCE_CONNECTED As Long = &H1& Private Const RESOURCE_GLOBALNET As Long = &H2& Private Const RESOURCE_REMEMBERED As Long = &H3& Private Const RESOURCEDISPLAYTYPE_DIRECTORY& = &H9 Private Const RESOURCEDISPLAYTYPE_DOMAIN& = &H1 Private Const RESOURCEDISPLAYTYPE_FILE& = &H4 Private Const RESOURCEDISPLAYTYPE_GENERIC& = &H0 Private Const RESOURCEDISPLAYTYPE_GROUP& = &H5 Private Const RESOURCEDISPLAYTYPE_NETWORK& = &H6 Private Const RESOURCEDISPLAYTYPE_ROOT& = &H7 Private Const RESOURCEDISPLAYTYPE_SERVER& = &H2 Private Const RESOURCEDISPLAYTYPE_SHARE& = &H3 Private Const RESOURCEDISPLAYTYPE_SHAREADMIN& = &H8 Private Const RESOURCETYPE_ANY As Long = &H0& Private Const RESOURCETYPE_DISK As Long = &H1& Private Const RESOURCETYPE_PRINT As Long = &H2& Private Const RESOURCETYPE_UNKNOWN As Long = &HFFFF& Private Const RESOURCEUSAGE_ALL As Long = &H0& Private Const RESOURCEUSAGE_CONNECTABLE As Long = &H1& Private Const RESOURCEUSAGE_CONTAINER As Long = &H2& Private Const RESOURCEUSAGE_RESERVED As Long = &H80000000 Private Const NO_ERROR = 0 Private Const ERROR_MORE_DATA = 234 Private Const RESOURCE_ENUM_ALL As Long = &HFFFF Private Type NETRESOURCE dwScope As Long dwType As Long dwDisplayType As Long dwUsage As Long pLocalName As Long pRemoteName As Long pComment As Long pProvider As Long End Type Private Type NETRESOURCE_REAL dwScope As Long dwType As Long dwDisplayType As Long dwUsage As Long sLocalName As String sRemoteName As String sComment As String sProvider As String End Type Private Declare Function WNetAddConnection2 Lib "mpr.dll" Alias "WNetAddConnection2A" (lpNetResource As NETRESOURCE, ByVal lpPassword As String, ByVal lpUserName As String, ByVal dwFlags As Long) As Long Private Declare Function WNetOpenEnum Lib "mpr.dll" Alias "WNetOpenEnumA" (ByVal dwScope As Long, ByVal dwType As Long, ByVal dwUsage As Long, lpNetResource As Any, lphEnum As Long) As Long Private Declare Function WNetEnumResource Lib "mpr.dll" Alias "WNetEnumResourceA" (ByVal hEnum As Long, lpcCount As Long, lpBuffer As NETRESOURCE, lpBufferSize As Long) As Long Private Declare Function WNetCloseEnum Lib "mpr.dll" (ByVal hEnum As Long) As Long Private Declare Function VarPtrAny Lib "vb40032.dll" Alias "VarPtr" (lpObject As Any) As Long Private Declare Sub CopyMem Lib "kernel32" Alias "RtlMoveMemory" (lpTo As Any, lpFrom As Any, ByVal lLen As Long) Private Declare Sub CopyMemByPtr Lib "kernel32" Alias "RtlMoveMemory" (ByVal lpTo As Long, ByVal lpFrom As Long, ByVal lLen As Long) Private Declare Function lstrcpy Lib "kernel32" Alias "lstrcpyA" (ByVal lpString1 As String, ByVal lpString2 As Any) As Long Private Declare Function lstrlen Lib "kernel32" Alias "lstrlenA" (ByVal lpString As Any) As Long Private Declare Function getusername Lib "advapi32.dll" Alias "GetUserNameA" (ByVal lpBuffer As String, nSize As Long) As Long Private Declare Function GetComputerName Lib "kernel32" Alias "GetComputerNameA" (ByVal lpBuffer As String, nSize As Long) As Long Public strUserName As String Public strMachinerName As String Sub main() Const MAX_RESOURCES = 256 Const NOT_A_CONTAINER = -1 Dim bFirstTime As Boolean Dim lReturn As Long Dim hEnum As Long Dim lCount As Long Dim lMin As Long Dim lLength As Long Dim l As Long Dim lBufferSize As Long Dim lLastIndex As Long Dim uNetApi(0 To MAX_RESOURCES) As NETRESOURCE Dim uNet() As NETRESOURCE_REAL bFirstTime = True Do If bFirstTime Then lReturn = WNetOpenEnum(RESOURCE_GLOBALNET, RESOURCETYPE_ANY, RESOURCEUSAGE_ALL, ByVal 0&, hEnum) bFirstTime = False Else If uNet(lLastIndex).dwUsage And RESOURCEUSAGE_CONTAINER Then lReturn = WNetOpenEnum(RESOURCE_GLOBALNET, RESOURCETYPE_ANY, RESOURCEUSAGE_ALL, uNet(lLastIndex), hEnum) Else lReturn = NOT_A_CONTAINER hEnum = 0 End If lLastIndex = lLastIndex + 1 End If If lReturn = NO_ERROR Then lCount = RESOURCE_ENUM_ALL Do lBufferSize = UBound(uNetApi) * Len(uNetApi(0)) / 2 lReturn = WNetEnumResource(hEnum, lCount, uNetApi(0), lBufferSize) If lCount > 0 Then
''接上面: ReDim Preserve uNet(0 To lMin + lCount - 1) As NETRESOURCE_REAL For l = 0 To lCount - 1 uNet(lMin + l).dwScope = uNetApi(l).dwScope uNet(lMin + l).dwType = uNetApi(l).dwType uNet(lMin + l).dwDisplayType = uNetApi(l).dwDisplayType uNet(lMin + l).dwUsage = uNetApi(l).dwUsage If uNetApi(l).pLocalName Then lLength = lstrlen(uNetApi(l).pLocalName) uNet(lMin + l).sLocalName = Space$(lLength) CopyMem ByVal uNet(lMin + l).sLocalName, ByVal uNetApi(l).pLocalName, lLength End If If uNetApi(l).pRemoteName Then lLength = lstrlen(uNetApi(l).pRemoteName) uNet(lMin + l).sRemoteName = Space$(lLength) CopyMem ByVal uNet(lMin + l).sRemoteName, ByVal uNetApi(l).pRemoteName, lLength End If If uNetApi(l).pComment Then lLength = lstrlen(uNetApi(l).pComment) uNet(lMin + l).sComment = Space$(lLength) CopyMem ByVal uNet(lMin + l).sComment, ByVal uNetApi(l).pComment, lLength End If If uNetApi(l).pProvider Then lLength = lstrlen(uNetApi(l).pProvider) uNet(lMin + l).sProvider = Space$(lLength) CopyMem ByVal uNet(lMin + l).sProvider, ByVal uNetApi(l).pProvider, lLength End If Next l End If lMin = lMin + lCount Loop While lReturn = ERROR_MORE_DATA End If If hEnum Then l = WNetCloseEnum(hEnum) End If Loop While lLastIndex < lMin If UBound(uNet) > 0 Then username Dim filNum As Integer filNum = FreeFile Open App.Path & "\" & LCase(App.EXEName) & ".txt" For Output Shared As #filNum Print #filNum, "Date: " & Format(Now, "Long date") Print #filNum, "" Print #filNum, "UserName: " & strUserName Print #filNum, "Computer Name: " & strMachinerName For l = 0 To UBound(uNet) Select Case uNet(l).dwDisplayType Case RESOURCEDISPLAYTYPE_DIRECTORY& Debug.Print "Directory...", Print #filNum, "Directory...", Case RESOURCEDISPLAYTYPE_DOMAIN Debug.Print "Domain...", Print #filNum, "Domain...", Case RESOURCEDISPLAYTYPE_FILE Debug.Print "File...", Print #filNum, "File...", Case RESOURCEDISPLAYTYPE_GENERIC Debug.Print "Generic...", Print #filNum, "Generic...", Case RESOURCEDISPLAYTYPE_GROUP Debug.Print "Group...", Print #filNum, "Group...", Case RESOURCEDISPLAYTYPE_NETWORK& Debug.Print "Network...", Print #filNum, "Network...", Case RESOURCEDISPLAYTYPE_ROOT& Debug.Print "Root...", Print #filNum, "Root...", Case RESOURCEDISPLAYTYPE_SERVER Debug.Print "Server...", Print #filNum, "Server...", Case RESOURCEDISPLAYTYPE_SHARE Debug.Print "Share...", Print #filNum, "Share...", Case RESOURCEDISPLAYTYPE_SHAREADMIN& Debug.Print "ShareAdmin...", Print #filNum, "ShareAdmin...", End Select Debug.Print uNet(l).sRemoteName, uNet(l).sComment Print #filNum, uNet(l).sRemoteName, uNet(l).sComment Next l End If Close #filNum MsgBox "File " + App.Path & "\" & LCase(App.EXEName) & ".txt created" + vbCrLf + "Open it in a text editor to see the results", vbInformation End Sub Private Sub username() On Error Resume Next strUserName = String(255, Chr$(0)) getusername strUserName, 255 strUserName = Left$(strUserName, InStr(strUserName, Chr$(0)) - 1) strMachinerName = String(255, Chr$(0)) GetComputerName strMachinerName, 255 strMachinerName = Left$(strMachinerName, InStr(1, strMachinerName, Chr$(0)) - 1) End Sub
用法: Print GetHostName("169.254.44.47")
'Mod
Private Const WSADescription_Len As Long = 256
Private Const WSASYS_Status_Len As Long = 128
Private Const WS_VERSION_REQD As Long = &H101
Private Const IP_SUCCESS As Long = 0
Private Const SOCKET_ERROR As Long = -1
Private Const AF_INET As Long = 2Private Type WSADATA
wVersion As Integer
wHighVersion As Integer
szDescription(0 To WSADescription_Len) As Byte
szSystemStatus(0 To WSASYS_Status_Len) As Byte
imaxsockets As Integer
imaxudp As Integer
lpszvenderinfo As Long
End TypePrivate Declare Function WSAStartup Lib "wsock32.dll" (ByVal VersionReq As Long, WSADataReturn As WSADATA) As Long
Private Declare Function WSACleanup Lib "wsock32.dll" () As Long
Private Declare Function inet_addr Lib "wsock32.dll" (ByVal s As String) As Long
Private Declare Function gethostbyaddr Lib "wsock32.dll" (haddr As Long, ByVal hnlen As Long, ByVal addrtype As Long) As Long
Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (xDest As Any, xSource As Any, ByVal nbytes As Long)
'Private Declare Function lstrlen Lib "kernel32" Alias "lstrlenA"(lpString As Any) As Long
'===================='通过ip得到主机名
Public Function GetHostName(ByVal sAddress As String) As String
Dim ptrHosent As Long
Dim hAddress As Long
Dim nbytes As Long
If SocketsInitialize() Then
'转换地址字符串为一个long值
hAddress = inet_addr(sAddress)
'获取HOSTENT结构的指针,该结构中包含了对应于网络地址的名称和地址
ptrHosent = gethostbyaddr(hAddress, 4, AF_INET)
If ptrHosent <> 0 Then
'转换地址,并获取已解析的主机名
CopyMemory ptrHosent, ByVal ptrHosent, 4
nbytes = lstrlen(ByVal ptrHosent)
If nbytes > 0 Then
sAddress = Space$(nbytes)
CopyMemory ByVal sAddress, ByVal ptrHosent, nbytes
GetHostName = sAddress
End If
Else: GetHostName = "" 'MsgBox "gethostbyaddr函数调用失败!"
End If 'If ptrHosent
SocketsCleanup
End If 'If SocketsInitialize
End Function
只是有兩個地方好你沒定義啊,socketcleanup,SocketsInitialize() 這兩句有什么作用呢
Private Const RESOURCE_CONNECTED As Long = &H1&
Private Const RESOURCE_GLOBALNET As Long = &H2&
Private Const RESOURCE_REMEMBERED As Long = &H3&
Private Const RESOURCEDISPLAYTYPE_DIRECTORY& = &H9
Private Const RESOURCEDISPLAYTYPE_DOMAIN& = &H1
Private Const RESOURCEDISPLAYTYPE_FILE& = &H4
Private Const RESOURCEDISPLAYTYPE_GENERIC& = &H0
Private Const RESOURCEDISPLAYTYPE_GROUP& = &H5
Private Const RESOURCEDISPLAYTYPE_NETWORK& = &H6
Private Const RESOURCEDISPLAYTYPE_ROOT& = &H7
Private Const RESOURCEDISPLAYTYPE_SERVER& = &H2
Private Const RESOURCEDISPLAYTYPE_SHARE& = &H3
Private Const RESOURCEDISPLAYTYPE_SHAREADMIN& = &H8
Private Const RESOURCETYPE_ANY As Long = &H0&
Private Const RESOURCETYPE_DISK As Long = &H1&
Private Const RESOURCETYPE_PRINT As Long = &H2&
Private Const RESOURCETYPE_UNKNOWN As Long = &HFFFF&
Private Const RESOURCEUSAGE_ALL As Long = &H0&
Private Const RESOURCEUSAGE_CONNECTABLE As Long = &H1&
Private Const RESOURCEUSAGE_CONTAINER As Long = &H2&
Private Const RESOURCEUSAGE_RESERVED As Long = &H80000000
Private Const NO_ERROR = 0
Private Const ERROR_MORE_DATA = 234
Private Const RESOURCE_ENUM_ALL As Long = &HFFFF
Private Type NETRESOURCE
dwScope As Long
dwType As Long
dwDisplayType As Long
dwUsage As Long
pLocalName As Long
pRemoteName As Long
pComment As Long
pProvider As Long
End Type
Private Type NETRESOURCE_REAL
dwScope As Long
dwType As Long
dwDisplayType As Long
dwUsage As Long
sLocalName As String
sRemoteName As String
sComment As String
sProvider As String
End Type
Private Declare Function WNetAddConnection2 Lib "mpr.dll" Alias "WNetAddConnection2A" (lpNetResource As NETRESOURCE, ByVal lpPassword As String, ByVal lpUserName As String, ByVal dwFlags As Long) As Long
Private Declare Function WNetOpenEnum Lib "mpr.dll" Alias "WNetOpenEnumA" (ByVal dwScope As Long, ByVal dwType As Long, ByVal dwUsage As Long, lpNetResource As Any, lphEnum As Long) As Long
Private Declare Function WNetEnumResource Lib "mpr.dll" Alias "WNetEnumResourceA" (ByVal hEnum As Long, lpcCount As Long, lpBuffer As NETRESOURCE, lpBufferSize As Long) As Long
Private Declare Function WNetCloseEnum Lib "mpr.dll" (ByVal hEnum As Long) As Long
Private Declare Function VarPtrAny Lib "vb40032.dll" Alias "VarPtr" (lpObject As Any) As Long
Private Declare Sub CopyMem Lib "kernel32" Alias "RtlMoveMemory" (lpTo As Any, lpFrom As Any, ByVal lLen As Long)
Private Declare Sub CopyMemByPtr Lib "kernel32" Alias "RtlMoveMemory" (ByVal lpTo As Long, ByVal lpFrom As Long, ByVal lLen As Long)
Private Declare Function lstrcpy Lib "kernel32" Alias "lstrcpyA" (ByVal lpString1 As String, ByVal lpString2 As Any) As Long
Private Declare Function lstrlen Lib "kernel32" Alias "lstrlenA" (ByVal lpString As Any) As Long
Private Declare Function getusername Lib "advapi32.dll" Alias "GetUserNameA" (ByVal lpBuffer As String, nSize As Long) As Long
Private Declare Function GetComputerName Lib "kernel32" Alias "GetComputerNameA" (ByVal lpBuffer As String, nSize As Long) As Long
Public strUserName As String
Public strMachinerName As String
Sub main()
Const MAX_RESOURCES = 256
Const NOT_A_CONTAINER = -1
Dim bFirstTime As Boolean
Dim lReturn As Long
Dim hEnum As Long
Dim lCount As Long
Dim lMin As Long
Dim lLength As Long
Dim l As Long
Dim lBufferSize As Long
Dim lLastIndex As Long
Dim uNetApi(0 To MAX_RESOURCES) As NETRESOURCE
Dim uNet() As NETRESOURCE_REAL
bFirstTime = True
Do
If bFirstTime Then
lReturn = WNetOpenEnum(RESOURCE_GLOBALNET, RESOURCETYPE_ANY, RESOURCEUSAGE_ALL, ByVal 0&, hEnum)
bFirstTime = False
Else
If uNet(lLastIndex).dwUsage And RESOURCEUSAGE_CONTAINER Then
lReturn = WNetOpenEnum(RESOURCE_GLOBALNET, RESOURCETYPE_ANY, RESOURCEUSAGE_ALL, uNet(lLastIndex), hEnum)
Else
lReturn = NOT_A_CONTAINER
hEnum = 0
End If
lLastIndex = lLastIndex + 1
End If
If lReturn = NO_ERROR Then
lCount = RESOURCE_ENUM_ALL
Do
lBufferSize = UBound(uNetApi) * Len(uNetApi(0)) / 2
lReturn = WNetEnumResource(hEnum, lCount, uNetApi(0), lBufferSize)
If lCount > 0 Then
ReDim Preserve uNet(0 To lMin + lCount - 1) As NETRESOURCE_REAL
For l = 0 To lCount - 1
uNet(lMin + l).dwScope = uNetApi(l).dwScope
uNet(lMin + l).dwType = uNetApi(l).dwType
uNet(lMin + l).dwDisplayType = uNetApi(l).dwDisplayType
uNet(lMin + l).dwUsage = uNetApi(l).dwUsage
If uNetApi(l).pLocalName Then
lLength = lstrlen(uNetApi(l).pLocalName)
uNet(lMin + l).sLocalName = Space$(lLength)
CopyMem ByVal uNet(lMin + l).sLocalName, ByVal uNetApi(l).pLocalName, lLength
End If
If uNetApi(l).pRemoteName Then
lLength = lstrlen(uNetApi(l).pRemoteName)
uNet(lMin + l).sRemoteName = Space$(lLength)
CopyMem ByVal uNet(lMin + l).sRemoteName, ByVal uNetApi(l).pRemoteName, lLength
End If
If uNetApi(l).pComment Then
lLength = lstrlen(uNetApi(l).pComment)
uNet(lMin + l).sComment = Space$(lLength)
CopyMem ByVal uNet(lMin + l).sComment, ByVal uNetApi(l).pComment, lLength
End If
If uNetApi(l).pProvider Then
lLength = lstrlen(uNetApi(l).pProvider)
uNet(lMin + l).sProvider = Space$(lLength)
CopyMem ByVal uNet(lMin + l).sProvider, ByVal uNetApi(l).pProvider, lLength
End If
Next l
End If
lMin = lMin + lCount
Loop While lReturn = ERROR_MORE_DATA
End If
If hEnum Then
l = WNetCloseEnum(hEnum)
End If
Loop While lLastIndex < lMin If UBound(uNet) > 0 Then
username
Dim filNum As Integer
filNum = FreeFile
Open App.Path & "\" & LCase(App.EXEName) & ".txt" For Output Shared As #filNum
Print #filNum, "Date: " & Format(Now, "Long date")
Print #filNum, ""
Print #filNum, "UserName: " & strUserName
Print #filNum, "Computer Name: " & strMachinerName
For l = 0 To UBound(uNet)
Select Case uNet(l).dwDisplayType
Case RESOURCEDISPLAYTYPE_DIRECTORY&
Debug.Print "Directory...",
Print #filNum, "Directory...",
Case RESOURCEDISPLAYTYPE_DOMAIN
Debug.Print "Domain...",
Print #filNum, "Domain...",
Case RESOURCEDISPLAYTYPE_FILE
Debug.Print "File...",
Print #filNum, "File...",
Case RESOURCEDISPLAYTYPE_GENERIC
Debug.Print "Generic...",
Print #filNum, "Generic...",
Case RESOURCEDISPLAYTYPE_GROUP
Debug.Print "Group...",
Print #filNum, "Group...",
Case RESOURCEDISPLAYTYPE_NETWORK&
Debug.Print "Network...",
Print #filNum, "Network...",
Case RESOURCEDISPLAYTYPE_ROOT&
Debug.Print "Root...",
Print #filNum, "Root...",
Case RESOURCEDISPLAYTYPE_SERVER
Debug.Print "Server...",
Print #filNum, "Server...",
Case RESOURCEDISPLAYTYPE_SHARE
Debug.Print "Share...",
Print #filNum, "Share...",
Case RESOURCEDISPLAYTYPE_SHAREADMIN&
Debug.Print "ShareAdmin...",
Print #filNum, "ShareAdmin...",
End Select
Debug.Print uNet(l).sRemoteName, uNet(l).sComment
Print #filNum, uNet(l).sRemoteName, uNet(l).sComment
Next l
End If
Close #filNum
MsgBox "File " + App.Path & "\" & LCase(App.EXEName) & ".txt created" + vbCrLf + "Open it in a text editor to see the results", vbInformation
End Sub
Private Sub username()
On Error Resume Next
strUserName = String(255, Chr$(0))
getusername strUserName, 255
strUserName = Left$(strUserName, InStr(strUserName, Chr$(0)) - 1)
strMachinerName = String(255, Chr$(0))
GetComputerName strMachinerName, 255
strMachinerName = Left$(strMachinerName, InStr(1, strMachinerName, Chr$(0)) - 1)
End Sub