忘了如何取电脑名称和IP地址,请教各位?

[lrc]

忘了如何取电脑名称和IP地址,请教各位?

[rainstormmaster]

用VB编程获取本机的IP地址


用VB编程获取本机的IP地址最简单的方法是读取 Winsock控件的LocalIP属性。

用下面这个方法在拨号上网时可以得到本机的IP地址。

Private Sub Form1_Click()
msgbox Winsock1.LocalIP
End Sub

[lihonggen0]

用api得到本地ip地址：



Private Const MIN_SOCKETS_REQD As Long = 1
Private Const WS_VERSION_REQD As Long = &H101
Private Const WS_VERSION_MAJOR As Long = WS_VERSION_REQD \ &H100 And &HFF&
Private Const WS_VERSION_MINOR As Long = WS_VERSION_REQD And &HFF&
Private Const SOCKET_ERROR As Long = -1
Private Const WSADESCRIPTION_LEN = 257
Private Const WSASYS_STATUS_LEN = 129
Private Const MAX_WSADescription = 256
Private Const MAX_WSASYSStatus = 128
Private Type WSAData
wVersion As Integer
wHighVersion As Integer
szDescription(0 To MAX_WSADescription) As Byte
szSystemStatus(0 To MAX_WSASYSStatus) As Byte
wMaxSockets As Integer
wMaxUDPDG As Integer
dwVendorInfo As Long
End Type
Private Type WSADataInfo
wVersion As Integer
wHighVersion As Integer
szDescription As String * WSADESCRIPTION_LEN
szSystemStatus As String * WSASYS_STATUS_LEN
iMaxSockets As Integer
iMaxUdpDg As Integer
lpVendorInfo As String
End Type
Private Type HOSTENT
hName As Long
hAliases As Long
hAddrType As Integer
hLen As Integer
hAddrList As Long
End Type

Private Declare Function WSACleanup Lib "WSOCK32" () As Long
Private Declare Function WSAGetLastError Lib "WSOCK32" () As Long
Private Declare Function WSAStartup Lib "WSOCK32" (ByVal wVersionRequired As Long, lpWSADATA As WSAData) As Long
Private Declare Function gethostname Lib "WSOCK32" (ByVal szHost As String, ByVal dwHostLen As Long) As Long
Private Declare Function gethostbyname Lib "WSOCK32" (ByVal szHost As String) As Long
Private Declare Sub CopyMemoryIP Lib "kernel32" Alias "RtlMoveMemory" (hpvDest As Any, ByVal hpvSource As Long, ByVal cbCopy As Long)
Private Declare Function WSAStartupInfo Lib "WSOCK32" Alias "WSAStartup" (ByVal wVersionRequested As Integer, lpWSADATA As WSADataInfo) As Long

Private Function GetIPAddress() As String
Dim sHostName As String * 256
Dim lpHost As Long
Dim HOST As HOSTENT
Dim dwIPAddr As Long
Dim tmpIPAddr() As Byte
Dim I As Integer
Dim sIPAddr As String
If Not SocketsInitialize() Then
GetIPAddress = ""
Exit Function
End If
If gethostname(sHostName, 256) = SOCKET_ERROR Then
GetIPAddress = ""
MsgBox "Windows Sockets error " & Str$(WSAGetLastError()) & " has occurred. Unable to successfully get Host Name."
SocketsCleanup
Exit Function
End If
sHostName = Trim$(sHostName)
lpHost = gethostbyname(sHostName)
If lpHost = 0 Then
GetIPAddress = ""
MsgBox "Windows Sockets are not responding. " & "Unable to successfully get Host Name."
SocketsCleanup
Exit Function
End If
CopyMemoryIP HOST, lpHost, Len(HOST)
CopyMemoryIP dwIPAddr, HOST.hAddrList, 4
ReDim tmpIPAddr(1 To HOST.hLen)
CopyMemoryIP tmpIPAddr(1), dwIPAddr, HOST.hLen
For I = 1 To HOST.hLen
sIPAddr = sIPAddr & tmpIPAddr(I) & "."
Next
GetIPAddress = Mid$(sIPAddr, 1, Len(sIPAddr) - 1)
SocketsCleanup
End Function
Private Function GetIPHostName() As String
Dim sHostName As String * 256
If Not SocketsInitialize() Then
GetIPHostName = ""
Exit Function
End If
If gethostname(sHostName, 256) = SOCKET_ERROR Then
GetIPHostName = ""
MsgBox "Windows Sockets error " & Str$(WSAGetLastError()) & " has occurred. Unable to successfully get Host Name."
SocketsCleanup
Exit Function
End If
GetIPHostName = Left$(sHostName, InStr(sHostName, Chr(0)) - 1)
SocketsCleanup
End Function
Private Function HiByte(ByVal wParam As Integer)
HiByte = wParam \ &H100 And &HFF&
End Function
Private Function LoByte(ByVal wParam As Integer)
LoByte = wParam And &HFF&
End Function
Private Sub SocketsCleanup()
If WSACleanup() <> ERROR_SUCCESS Then
MsgBox "Socket error occurred in Cleanup."
End If
End Sub
Private Function SocketsInitialize() As Boolean
Dim WSAD As WSAData
Dim sLoByte As String
Dim sHiByte As String
If WSAStartup(WS_VERSION_REQD, WSAD) <> ERROR_SUCCESS Then
MsgBox "The 32-bit Windows Socket is not responding."
SocketsInitialize = False
Exit Function
End If
If WSAD.wMaxSockets < MIN_SOCKETS_REQD Then
MsgBox "This application requires a minimum of " & CStr(MIN_SOCKETS_REQD) & " supported sockets."
SocketsInitialize = False
Exit Function
End If
If LoByte(WSAD.wVersion) < WS_VERSION_MAJOR Or (LoByte(WSAD.wVersion) = WS_VERSION_MAJOR And HiByte(WSAD.wVersion) < WS_VERSION_MINOR) Then
sHiByte = CStr(HiByte(WSAD.wVersion))
sLoByte = CStr(LoByte(WSAD.wVersion))
MsgBox "Sockets version " & sLoByte & "." & sHiByte & " is not supported by 32-bit Windows Sockets."
SocketsInitialize = False
Exit Function
End If
'must be OK, so lets do it
SocketsInitialize = True
End Function

Private Sub Form_Load()

MsgBox "IP-address: " + GetIPAddress
End Sub

[lihonggen0]

取电脑名称


Private Const MAX_COMPUTERNAME_LENGTH As Long = 31
Private Declare Function GetComputerName Lib "kernel32" Alias "GetComputerNameA" (ByVal lpBuffer As String, nSize As Long) As Long
Private Sub Form_Load()
Dim dwLen As Long
Dim strString As String
dwLen = MAX_COMPUTERNAME_LENGTH + 1
strString = String(dwLen, "X")
GetComputerName strString, dwLen
strString = Left(strString, dwLen)
MsgBox strString
End Sub

[无响应]

取电脑名称(使用API)
Private Declare Function GetUserName Lib "advapi32.dll" Alias "GetUserNameA" (ByVal lpBuffer As String, nSize As Long) As Long

Public Function NTDomainUserName() As String
Dim strBuffer As String * 255
Dim lngBufferLength As Long
Dim lngRet As Long
Dim strTemp As String

lngBufferLength = 255
lngRet = GetUserName(strBuffer, lngBufferLength)
strTemp = UCase(Trim$(strBuffer))
NTDomainUserName = Left$(strTemp, Len(strTemp) - 1)

End Function

Private Sub Command1_Click()
MsgBox (NTDomainUserName)
End Sub

[rainstormmaster]

取电脑名称：
Private Declare Function GetComputerName Lib "kernel32" Alias "GetComputerNameA" (ByVal lpBuffer As String, nSize As Long) As Long

Private Function ComputerName() As String
Dim cn As String
Dim ls As Long
Dim res As Long

cn = String(1024, 0)
ls = 1024
res = GetComputerName(cn, ls)

If res <> 0 Then
ComputerName = Mid(cn, 1, InStr(cn, Chr(0)) - 1)
Else
ComputerName = ""
End If
End Function


Private Sub Command1_Click()
MsgBox ComputerName
End Sub