请问，不用任何控件如何编写一个网络应用小程序？

Clamd 2003-02-21 04:41:55

因为使用控件大多数在程序运行时要注册该控件
这是一件超级麻烦的事
所以我想不用任何控件去做一个网络小程序，让他在任何系统都可以运行。
请写出具体方法或思考方向
还有所需的函数的参数说明（或者提供网上的资源）
最好有具体示例或源代码

...全文

42 21 打赏收藏转发到动态举报

写回复

用AI写文章

21 条回复

切换为时间正序

请发表友善的回复…

发表回复

苍狼传说 2003-03-13

打赏
举报

好东西!学习!

dyugao 2003-03-10

打赏
举报

Public Function SendData(ByVal intSocket&, vMessage As Variant) As Long

Dim TheMsg() As Byte, sTemp$

TheMsg = ""
Select Case VarType(vMessage)
Case 8209
sTemp = vMessage
TheMsg = sTemp
Case 8
sTemp = StrConv(vMessage, vbFromUnicode)
Case Else
sTemp = CStr(vMessage)
sTemp = StrConv(vMessage, vbFromUnicode)
End Select

TheMsg = sTemp

If UBound(TheMsg) > -1 Then
SendData = Send(intSocket, TheMsg(0), UBound(TheMsg) + 1, 0)
End If

If SendData = SOCKET_ERROR Then
closesocket intSocket
Call EndWinsock
Exit Function
End If

End Function

Public Function SockAddressToString(sa As sockaddr) As String
SockAddressToString = getascip(sa.sin_addr) & ":" & ntohs(sa.sin_port)
End Function

Public Function StartWinsock(sDescription As String) As Boolean
Dim StartupData As WSADataType
If Not WSAStartedUp Then
If Not WSAStartup(&H101, StartupData) Then
WSAStartedUp = True
sDescription = StartupData.szDescription
Else
WSAStartedUp = False
End If
End If
StartWinsock = WSAStartedUp
End Function

Function GetHost(IP As String)
On Error Resume Next
Dim hostent_addr As Long
Dim Host As HOSTENT
Dim hostip_addr As Long
Dim temp_ip_address() As Byte
Dim I As Integer
Dim ip_address As String

hostent_addr = GetHostByName(IP)

If hostent_addr = 0 Then
GetHost = IP
Exit Function
End If

RtlMoveMemory Host, hostent_addr, LenB(Host)
RtlMoveMemory hostip_addr, Host.hAddrList, 4

ReDim temp_ip_address(1 To Host.hLen)
RtlMoveMemory temp_ip_address(1), hostip_addr, Host.hLen

For I = 1 To Host.hLen
ip_address = ip_address & temp_ip_address(I) & "."
Next
ip_address = Mid$(ip_address, 1, Len(ip_address) - 1)

GetHost = ip_address

End Function

Function GetHostByAddress(ByVal addr As Long) As String
On Error Resume Next
Dim phe&, Ret&
Dim heDestHost As HOSTENT
Dim hostname$
phe = gethostbyaddr(addr, 4, PF_INET)

Debug.Print phe
If phe <> 0 Then
MemCopy heDestHost, ByVal phe, hostent_size
Debug.Print heDestHost.hName
Debug.Print heDestHost.hAliases
Debug.Print heDestHost.hAddrType
Debug.Print heDestHost.hLen
Debug.Print heDestHost.hAddrList

hostname = String(256, 0)
MemCopy ByVal hostname, ByVal heDestHost.hName, 256
GetHostByAddress = Left(hostname, InStr(hostname, Chr(0)) - 1)
Else
GetHostByAddress = WSA_NoName
End If
If Err Then GetHostByAddress = WSA_NoName
End Function

Public 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 gethostname(sHostName, 256) = SOCKET_ERROR Then
GetIPAddress = ""
Exit Function
End If
sHostName = Trim$(sHostName)
lpHost = GetHostByName(sHostName)
If lpHost = 0 Then
GetIPAddress = ""
Exit Function
End If
CopyMemoryIP Host, lpHost, Len(Host)
CopyMemoryIP dwIPAddr, Host.hAddrList, 4
ReDim tmpIPAddr(1 To Host.hLen)
CopyMemoryIP tmpIPAddr(1), dwIPAddr, Host.hLen
For I = 1 To Host.hLen
sIPAddr = sIPAddr & tmpIPAddr(I) & "."
Next
GetIPAddress = Mid$(sIPAddr, 1, Len(sIPAddr) - 1)
End Function

dyugao 2003-03-10

打赏
举报

Public WSAStartedUp As Boolean

Public Function WSAGetAsyncBufLen(ByVal lParam As Long) As Long
If (lParam And &HFFFF&) > &H7FFF Then
WSAGetAsyncBufLen = (lParam And &HFFFF&) - &H10000
Else
WSAGetAsyncBufLen = lParam And &HFFFF&
End If
End Function

Public Function WSAGetSelectEvent(ByVal lParam As Long) As Integer
If (lParam And &HFFFF&) > &H7FFF Then
WSAGetSelectEvent = (lParam And &HFFFF&) - &H10000
Else
WSAGetSelectEvent = lParam And &HFFFF&
End If
End Function

Public Function WSAGetAsyncError(ByVal lParam As Long) As Integer
WSAGetAsyncError = (lParam And &HFFFF0000) \ &H10000
End Function

Function AddrToIP(ByVal AddrOrIP$) As String
On Error Resume Next
AddrToIP$ = getascip(GetHostByNameAlias(AddrOrIP$))
If Err Then AddrToIP$ = "255.255.255.255"
End Function

Sub EndWinsock()
Dim Ret&
If WSAIsBlocking() Then
Ret = WSACancelBlockingCall()
End If
Ret = WSACleanup()
WSAStartedUp = False
End Sub

Function getascip(ByVal inn As Long) As String
On Error Resume Next
Dim lpStr&
#If Win16 Then
Dim nStr%
#ElseIf Win32 Then
Dim nStr&
#End If
Dim retString$
retString = String(32, 0)
lpStr = inet_ntoa(inn)
If lpStr = 0 Then
getascip = "255.255.255.255"
Exit Function
End If
nStr = lstrlen(lpStr)
If nStr > 32 Then nStr = 32
MemCopy ByVal retString, ByVal lpStr, nStr
retString = Left(retString, nStr)
getascip = retString
If Err Then getascip = "255.255.255.255"
End Function

Function GetLocalHostName() As String
Dim dummy&
Dim LocalName$
Dim s$
On Error Resume Next
LocalName = String(256, 0)
LocalName = WSA_NoName
dummy = 1
s = String(256, 0)
dummy = gethostname(s, 256)
If dummy = 0 Then
s = Left(s, InStr(s, Chr(0)) - 1)
If Len(s) > 0 Then
LocalName = s
End If
End If
GetLocalHostName = LocalName
If Err Then GetLocalHostName = WSA_NoName
End Function

Function GetSockAddress(ByVal s&) As String
Dim addrlen&
Dim Ret&
On Error Resume Next
Dim sa As sockaddr
Dim szRet$
szRet = String(32, 0)
addrlen = sockaddr_size
Ret = getsockname(s, sa, addrlen)
If Ret = 0 Then
GetSockAddress = SockAddressToString(sa)
Else
GetSockAddress = ""
End If
If Err Then GetSockAddress = ""
End Function

Function GetHostByNameAlias(ByVal hostname$) As Long
On Error Resume Next

Dim phe&
Dim heDestHost As HOSTENT
Dim addrList&
Dim retIP&

retIP = inet_addr(hostname)
If retIP = INADDR_NONE Then
phe = GetHostByName(hostname)
If phe <> 0 Then
MemCopy heDestHost, ByVal phe, hostent_size
MemCopy addrList, ByVal heDestHost.hAddrList, 4
MemCopy retIP, ByVal addrList, heDestHost.hLen
Else
retIP = INADDR_NONE
End If
End If
GetHostByNameAlias = retIP
If Err Then GetHostByNameAlias = INADDR_NONE
End Function

Function IpToAddr(ByVal AddrOrIP$) As String
On Error Resume Next
IpToAddr = GetHostByAddress(GetHostByNameAlias(AddrOrIP$))
If Err Then IpToAddr = WSA_NoName
End Function

Public Function ListenForConnect(ByVal Port&, ByVal HWndToMsg&) As Long
Dim s&, dummy&
Dim SelectOps&
Dim sockin As sockaddr
sockin = saZero
sockin.sin_family = AF_INET
sockin.sin_port = htons(Port)
If sockin.sin_port = INVALID_SOCKET Then
ListenForConnect = INVALID_SOCKET
Exit Function
End If
sockin.sin_addr = htonl(INADDR_ANY)
If sockin.sin_addr = INADDR_NONE Then
ListenForConnect = INVALID_SOCKET
Exit Function
End If
s = socket(PF_INET, SOCK_STREAM, 0)
If s < 0 Then
ListenForConnect = INVALID_SOCKET
Exit Function
End If
If bind(s, sockin, sockaddr_size) Then
If s > 0 Then
dummy = closesocket(s)
End If
ListenForConnect = INVALID_SOCKET
Exit Function
End If
SelectOps = FD_READ Or FD_WRITE Or FD_CLOSE Or FD_ACCEPT
If WSAAsyncSelect(s, HWndToMsg, ByVal WINSOCK_MESSAGE, ByVal SelectOps) Then
If s > 0 Then
dummy = closesocket(s)
End If
ListenForConnect = SOCKET_ERROR
Exit Function
End If

If listen(s, 1) Then
If s > 0 Then
dummy = closesocket(s)
End If
ListenForConnect = INVALID_SOCKET
Exit Function
End If
ListenForConnect = s
End Function

dyugao 2003-03-10

打赏
举报

Declare Sub RtlMoveMemory Lib "kernel32" _
(hpvDest As Any, _
ByVal hpvSource As Long, _
ByVal cbCopy As Long)

Public Declare Sub CopyMemoryIP Lib "kernel32" Alias "RtlMoveMemory" (hpvDest As Any, ByVal hpvSource As Long, ByVal cbCopy As Long)
Public Declare Function PostMessage Lib "user32" Alias "PostMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
Public Declare Sub MemCopy Lib "kernel32" Alias "RtlMoveMemory" (Dest As Any, Src As Any, ByVal cb&)
Public Declare Function lstrlen Lib "kernel32" Alias "lstrlenA" (ByVal lpString As Any) As Long

Public Const SOL_SOCKET = &HFFFF&
Public Const SO_LINGER = &H80&
Public Const FD_READ = &H1&
Public Const FD_WRITE = &H2&
Public Const FD_OOB = &H4&
Public Const FD_ACCEPT = &H8&
Public Const FD_CONNECT = &H10&
Public Const FD_CLOSE = &H20&

Public Declare Function accept Lib "wsock32.dll" (ByVal s As Long, addr As sockaddr, addrlen As Long) As Long
Public Declare Function bind Lib "wsock32.dll" (ByVal s As Long, addr As sockaddr, ByVal namelen As Long) As Long
Public Declare Function closesocket Lib "wsock32.dll" (ByVal s As Long) As Long
Public Declare Function Connect Lib "wsock32.dll" Alias "connect" (ByVal s As Long, addr As sockaddr, ByVal namelen As Long) As Long
Public Declare Function ioctlsocket Lib "wsock32.dll" (ByVal s As Long, ByVal CMD As Long, argp As Long) As Long
Public Declare Function getpeername Lib "wsock32.dll" (ByVal s As Long, sName As sockaddr, namelen As Long) As Long
Public Declare Function getsockname Lib "wsock32.dll" (ByVal s As Long, sName As sockaddr, namelen As Long) As Long
Public Declare Function getsockopt Lib "wsock32.dll" (ByVal s As Long, ByVal Level As Long, ByVal optname As Long, optval As Any, optlen As Long) As Long
Public Declare Function htonl Lib "wsock32.dll" (ByVal hostlong As Long) As Long
Public Declare Function htons Lib "wsock32.dll" (ByVal hostshort As Long) As Integer
Public Declare Function inet_addr Lib "wsock32.dll" (ByVal cp As String) As Long
Public Declare Function inet_ntoa Lib "wsock32.dll" (ByVal inn As Long) As Long
Public Declare Function listen Lib "wsock32.dll" (ByVal s As Long, ByVal backlog As Long) As Long
Public Declare Function ntohl Lib "wsock32.dll" (ByVal netlong As Long) As Long
Public Declare Function ntohs Lib "wsock32.dll" (ByVal netshort As Long) As Integer
Public Declare Function recv Lib "wsock32.dll" (ByVal s As Long, buf As Any, ByVal buflen As Long, ByVal Flags As Long) As Long
Public Declare Function recvfrom Lib "wsock32.dll" (ByVal s As Long, buf As Any, ByVal buflen As Long, ByVal Flags As Long, From As sockaddr, fromlen As Long) As Long
Public Declare Function ws_select Lib "wsock32.dll" Alias "select" (ByVal nfds As Long, readfds As fd_set, writefds As fd_set, exceptfds As fd_set, TimeOut As timeval) As Long
Public Declare Function Send Lib "wsock32.dll" Alias "send" (ByVal s As Long, buf As Any, ByVal buflen As Long, ByVal Flags As Long) As Long
Public Declare Function sendto Lib "wsock32.dll" (ByVal s As Long, buf As Any, ByVal buflen As Long, ByVal Flags As Long, to_addr As sockaddr, ByVal tolen As Long) As Long
Public Declare Function setsockopt Lib "wsock32.dll" (ByVal s As Long, ByVal Level As Long, ByVal optname As Long, optval As Any, ByVal optlen As Long) As Long
Public Declare Function ShutDown Lib "wsock32.dll" Alias "shutdown" (ByVal s As Long, ByVal how As Long) As Long
Public Declare Function socket Lib "wsock32.dll" (ByVal af As Long, ByVal s_type As Long, ByVal protocol As Long) As Long

Public Declare Function gethostbyaddr Lib "wsock32.dll" (addr As Long, ByVal addr_len As Long, ByVal addr_type As Long) As Long
Public Declare Function GetHostByName Lib "wsock32.dll" Alias "gethostbyname" (ByVal host_name As String) As Long
Public Declare Function gethostname Lib "wsock32.dll" (ByVal host_name As String, ByVal namelen As Long) As Long
Public Declare Function getservbyport Lib "wsock32.dll" (ByVal Port As Long, ByVal proto As String) As Long
Public Declare Function getservbyname Lib "wsock32.dll" (ByVal serv_name As String, ByVal proto As String) As Long
Public Declare Function getprotobynumber Lib "wsock32.dll" (ByVal proto As Long) As Long
Public Declare Function getprotobyname Lib "wsock32.dll" (ByVal proto_name As String) As Long

Public Declare Function WSAStartup Lib "wsock32.dll" (ByVal wVR As Long, lpWSAD As WSADataType) As Long
Public Declare Function WSACleanup Lib "wsock32.dll" () As Long
Public Declare Sub WSASetLastError Lib "wsock32.dll" (ByVal iError As Long)
Public Declare Function WSAGetLastError Lib "wsock32.dll" () As Long
Public Declare Function WSAIsBlocking Lib "wsock32.dll" () As Long
Public Declare Function WSAUnhookBlockingHook Lib "wsock32.dll" () As Long
Public Declare Function WSASetBlockingHook Lib "wsock32.dll" (ByVal lpBlockFunc As Long) As Long
Public Declare Function WSACancelBlockingCall Lib "wsock32.dll" () As Long
Public Declare Function WSAAsyncGetServByName Lib "wsock32.dll" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal serv_name As String, ByVal proto As String, buf As Any, ByVal buflen As Long) As Long
Public Declare Function WSAAsyncGetServByPort Lib "wsock32.dll" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal Port As Long, ByVal proto As String, buf As Any, ByVal buflen As Long) As Long
Public Declare Function WSAAsyncGetProtoByName Lib "wsock32.dll" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal proto_name As String, buf As Any, ByVal buflen As Long) As Long
Public Declare Function WSAAsyncGetProtoByNumber Lib "wsock32.dll" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal number As Long, buf As Any, ByVal buflen As Long) As Long
Public Declare Function WSAAsyncGetHostByName Lib "wsock32.dll" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal host_name As String, buf As Any, ByVal buflen As Long) As Long
Public Declare Function WSAAsyncGetHostByAddr Lib "wsock32.dll" (ByVal hwnd As Long, ByVal wMsg As Long, addr As Long, ByVal addr_len As Long, ByVal addr_type As Long, buf As Any, ByVal buflen As Long) As Long
Public Declare Function WSACancelAsyncRequest Lib "wsock32.dll" (ByVal hAsyncTaskHandle As Long) As Long
Public Declare Function WSAAsyncSelect Lib "wsock32.dll" (ByVal s As Long, ByVal hwnd As Long, ByVal wMsg As Long, ByVal lEvent As Long) As Long
Public Declare Function WSARecvEx Lib "wsock32.dll" (ByVal s As Long, buf As Any, ByVal buflen As Long, ByVal Flags As Long) As Long

Public MySocket%
Public SockReadBuffer$
Public Const WSA_NoName = "Unknown"

fronmai 2003-03-10

打赏
举报

发贴不能连续超过3次

dyugao 2003-03-10

打赏
举报

wsksock.bas

Option Explicit

Public Const WINSOCK_MESSAGE As Long = 1025

Public Const FD_SETSIZE = 64
Type IN_ADDR
S_un_b(1 To 4) As Byte
S_un_w(1 To 2) As Integer
S_addr As Long
End Type

Type fd_set
fd_count As Integer
fd_array(FD_SETSIZE) As Integer
End Type

Type timeval
tv_sec As Long
tv_usec As Long
End Type

Type HOSTENT
hName As Long
hAliases As Long
hAddrType As Integer
hLen As Integer
hAddrList As Long
End Type

Public Const hostent_size = 16

Type servent
s_name As Long
s_aliases As Long
s_port As Integer
s_proto As Long
End Type
Public Const servent_size = 14

Type protoent
p_name As Long
p_aliases As Long
p_proto As Integer
End Type
Public Const protoent_size = 10

Public Const IPPROTO_TCP = 6
Public Const IPPROTO_UDP = 17

Public Const INADDR_NONE = &HFFFF
Public Const INADDR_ANY = &H0

Type sockaddr
sin_family As Integer
sin_port As Integer
sin_addr As Long
sin_zero As String * 8
End Type
Public Const sockaddr_size = 16
Public saZero As sockaddr

Public Const WSA_DESCRIPTIONLEN = 256
Public Const WSA_DescriptionSize = WSA_DESCRIPTIONLEN + 1

Public Const WSA_SYS_STATUS_LEN = 128
Public Const WSA_SysStatusSize = WSA_SYS_STATUS_LEN + 1

Type WSADataType
wVersion As Integer
wHighVersion As Integer
szDescription As String * WSA_DescriptionSize
szSystemStatus As String * WSA_SysStatusSize
iMaxSockets As Integer
iMaxUdpDg As Integer
lpVendorInfo As Long
End Type

Public Const INVALID_SOCKET = -1
Public Const SOCKET_ERROR = -1

Public Const SOCK_STREAM = 1
Public Const SOCK_DGRAM = 2

Public Const MAXGETHOSTSTRUCT = 1024

Public Const AF_INET = 2
Public Const PF_INET = 2

Type LingerType
l_onoff As Integer
l_linger As Integer
End Type

dyugao 2003-03-10

打赏
举报

modmain.bas

Option Explicit

Public Function ModifyString(strModString As String, strSrc As String, sgnModify As Variant)
On Error Resume Next
If strSrc <> sgnModify Then
While InStr(strModString, strSrc) <> 0
strModString = Left(strModString, InStr(strModString, strSrc) - 1) & sgnModify & Mid(strModString, InStr(strModString, strSrc) + Len(strSrc))
Wend
End If
ModifyString = strModString
End Function

Function MainProcess(sData As String) As String
On Error Resume Next
Dim ProxyData As String

sData = Trim(sData)

If sData = "" Then MainProcess = TestPage

If InStr(sData, "http://") <> 0 Then
sData = ProcHTTP(sData)
sData = ModifyString(sData, "http://", "")
MainProcess = ConnectServer(sData)
Else
MainProcess = TestPage
End If
End Function

dyugao 2003-03-10

打赏
举报

modhttp.bas

Public Function ProcHTTP(strData As String) As String
Dim FindGet As Integer, FindPost As Integer, spc2 As Integer
If Mid$(strData$, 1, 3) = "GET" Then
FindGet = InStr(strData$, "GET ")
spc2 = InStr(FindGet + 5, strData$, " ")
ProcHTTP = Mid$(strData$, FindGet + 4, spc2 - (FindGet + 4))
ElseIf Mid$(strData$, 1, 4) = "POST" Then
FindPost = InStr(strData$, "POST ")
spc2 = InStr(FindPost + 5, strData$, " ")
ProcHTTP = Mid$(strData$, FindPost + 5, spc2 - (FindPost + 5))
End If
End Function

Public Function TestPage()
Dim x As String
x = "HTTP/1.1 200 OK" & vbCrLf
x = x & "Server: HTTP Proxy Server Powered by 小金" & vbCrLf & vbCrLf

x = x & vbCrLf & "<HTML><HEAD><TITLE>HTTP Proxy .::Powered by 小金::.</TITLE>" & _
"<META content=""text/html; charset=gb2312"" http-equiv=Content-Type>" & _
"<style type=text/css>A:visited{TEXT-DECORATION: none} A:active{TEXT-DECORATION: none} A:hover{TEXT-DECORATION: underline overline} A:link{text-decoration: none;} .t{LINE-HEIGHT: 1.4} BODY{FONT-FAMILY: 宋体; FONT-SIZE: 9pt; SCROLLBAR-HIGHLIGHT-COLOR: buttonface; SCROLLBAR-SHADOW-COLOR: buttonface; SCROLLBAR-3DLIGHT-COLOR: buttonhighlight; SCROLLBAR-TRACK-COLOR: #eeeeee; " & _
"SCROLLBAR-DARKSHADOW-COLOR: buttonshadow} TD{FONT-FAMILY: 宋体; FONT-SIZE: 9pt} DIV{FONT-FAMILY: 宋体; FONT-SIZE: 9pt} FORM{FONT-FAMILY: 宋体; FONT-SIZE: 9pt} OPTION{FONT-FAMILY: 宋体; FONT-SIZE: 9pt} P{FONT-FAMILY: 宋体; FONT-SIZE: 9pt} TD{FONT-FAMILY: 宋体; FONT-SIZE: 9pt} BR{FONT-FAMILY: 宋体; FONT-SIZE: 9pt} INPUT{BORDER-TOP-WIDTH: 1px; PADDING-RIGHT: 1px; PADDING-LEFT: 1px; BORDER-LEFT-WIDTH: 1px; FONT-SIZE: 9pt; BORDER-LEFT-COLOR: #cccccc; BORDER-BOTTOM-WIDTH: 1px; BORDER-BOTTOM-COLOR: #cccccc; PADDING-BOTTOM: 1px; BORDER-TOP-COLOR: #cccccc; PADDING-TOP: 1px; HEIGHT: 18px; BORDER-RIGHT-WIDTH: 1px; BORDER-RIGHT-COLOR: #cccccc} textarea {border-width: 1; border-color: #000000; background-color: #efefef; font-family: 宋体; font-size: 9pt; font-style: bold;} select {border-width: 1; border-color: #000000; background-color: #efefef; font-family: 宋体; font-size: 9pt; font-style: bold;}</style>" & _
"</HEAD><BODY aLink=#ffffff bgColor=#4f9fdf bottomMargin=0 leftMargin=0 rightMargin=0 topMargin=0 vLink=#ffffff>" & _
"HTTP Proxy 工作正常<img src=""http://sadan9.com/xj/pb.gif"" width=""170"" height=""50"">" & _
"<table width=""100%"" border=""0"" cellspacing=""0"" cellpadding=""0""><tr><td width=""41%""><form action=""stop""></td></tr></table><hr width=""100%"" size=""1"" color=""#FFFFFF"" >© 2002 小金版权所有 </BODY></HTML>"

TestPage = x
End Function

Public Function ErrPage()
Dim x As String
x = "HTTP/1.1 500 Server Error" & vbCrLf
x = x & "Server: HTTP Proxy Server Powered by 小金" & vbCrLf & vbCrLf

x = x & vbCrLf & "<HTML><HEAD><TITLE>HTTP Proxy .::Powered by 小金::.</TITLE>" & _
"<META content=""text/html; charset=gb2312"" http-equiv=Content-Type>" & _
"<style type=text/css>A:visited{TEXT-DECORATION: none} A:active{TEXT-DECORATION: none} A:hover{TEXT-DECORATION: underline overline} A:link{text-decoration: none;} .t{LINE-HEIGHT: 1.4} BODY{FONT-FAMILY: 宋体; FONT-SIZE: 9pt; SCROLLBAR-HIGHLIGHT-COLOR: buttonface; SCROLLBAR-SHADOW-COLOR: buttonface; SCROLLBAR-3DLIGHT-COLOR: buttonhighlight; SCROLLBAR-TRACK-COLOR: #eeeeee; " & _
"SCROLLBAR-DARKSHADOW-COLOR: buttonshadow} TD{FONT-FAMILY: 宋体; FONT-SIZE: 9pt} DIV{FONT-FAMILY: 宋体; FONT-SIZE: 9pt} FORM{FONT-FAMILY: 宋体; FONT-SIZE: 9pt} OPTION{FONT-FAMILY: 宋体; FONT-SIZE: 9pt} P{FONT-FAMILY: 宋体; FONT-SIZE: 9pt} TD{FONT-FAMILY: 宋体; FONT-SIZE: 9pt} BR{FONT-FAMILY: 宋体; FONT-SIZE: 9pt} INPUT{BORDER-TOP-WIDTH: 1px; PADDING-RIGHT: 1px; PADDING-LEFT: 1px; BORDER-LEFT-WIDTH: 1px; FONT-SIZE: 9pt; BORDER-LEFT-COLOR: #cccccc; BORDER-BOTTOM-WIDTH: 1px; BORDER-BOTTOM-COLOR: #cccccc; PADDING-BOTTOM: 1px; BORDER-TOP-COLOR: #cccccc; PADDING-TOP: 1px; HEIGHT: 18px; BORDER-RIGHT-WIDTH: 1px; BORDER-RIGHT-COLOR: #cccccc} textarea {border-width: 1; border-color: #000000; background-color: #efefef; font-family: 宋体; font-size: 9pt; font-style: bold;} select {border-width: 1; border-color: #000000; background-color: #efefef; font-family: 宋体; font-size: 9pt; font-style: bold;}</style>" & _
"</HEAD><BODY aLink=#ffffff bgColor=#4f9fdf bottomMargin=0 leftMargin=0 rightMargin=0 topMargin=0 vLink=#ffffff>" & _
"您请求的页面无法连接<img src=""http://sadan9.com/xj/pb.gif"" width=""170"" height=""50"">" & _
"<table width=""100%"" border=""0"" cellspacing=""0"" cellpadding=""0""><tr><td width=""41%""><form action=""stop""></td></tr></table><hr width=""100%"" size=""1"" color=""#FFFFFF"" >© 2002 小金版权所有 </BODY></HTML>"

ErrPage = x
End Function

Function ConnectServer(strURL As String)
Dim Sock As Integer
Dim Bytes As Integer
Dim rc As Long
Dim strMsg As String
Dim sData As String, lRet As Long, szBuf As String

Dim SocketBuffer As sockaddr
Dim IpAddr As Long

SlashPos = InStr(1, strURL, "/")
If SlashPos = 0 Then SlashPos = Len(strURL) + 1
strPath = Mid$(strURL, SlashPos)
If strPath = "" Then strPath = "/"
strHost = Mid$(strURL, 1, SlashPos - 1)

Call StartWinsock(vbNullString)

'创建套接字
Sock = socket(AF_INET, SOCK_STREAM, 0)
If Sock = SOCKET_ERROR Then Exit Function

If rc = SOCKET_ERROR Then Exit Function
IpAddr = GetHostByNameAlias(strHost)
If IpAddr = -1 Then
ConnectServer = ErrPage
Exit Function
End If

With SocketBuffer
.sin_family = AF_INET
.sin_port = htons(80)
.sin_addr = IpAddr
.sin_zero = String$(8, 0)
End With

DoEvents

'连接服务器
rc = Connect(Sock, SocketBuffer, Len(SocketBuffer))

If rc = SOCKET_ERROR Then
ConnectServer = ErrPage
closesocket Sock
Exit Function
Else
End If

DoEvents

'HTTP报文
strMsg = "GET " & tmpHost & strPath & " HTTP/1.0" & vbCrLf
strMsg = strMsg & "Accept: */*" & vbCrLf
strMsg = strMsg & "User-Agent: " & App.Title & vbCrLf
strMsg = strMsg & "Host: " & strHost & vbCrLf
strMsg = strMsg & vbCrLf

'发送数据
SendData Sock, strMsg

DoEvents

Do
szBuf = String(256, 0)
lRet = recv(Sock, ByVal szBuf, Len(szBuf), 0)
If lRet > 0 Then sData = sData + Left$(szBuf, lRet)
Loop Until lRet <= 0

closesocket Sock

ConnectServer = sData
End Function

fronmai 2003-03-10

打赏
举报

不能连续法帖3次

dyugao 2003-03-10

打赏
举报

mdlserver.bas

Option Explicit

Public Const SERVER_PORT As Long = 8080
Public Const GWL_WNDPROC = (-4)

Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long
Declare Function CallWindowProc Lib "user32" Alias "CallWindowProcA" (ByVal lpPrevWndFunc As Long, ByVal hwnd As Long, ByVal Msg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
Public listenSocket As Long
Public IPAddresses As New Collection
Public Sockets As New Collection
Private PrevProc As Long

Public Sub StartSubclass(F As Form)
PrevProc = SetWindowLong(F.hwnd, GWL_WNDPROC, AddressOf WindowProc)
End Sub

Public Sub StopSubclass(F As Form)
If PrevProc <> 0 Then SetWindowLong F.hwnd, GWL_WNDPROC, PrevProc
End Sub

Public Function WindowProc(ByVal hwnd As Long, ByVal uMsg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
If uMsg = WINSOCK_MESSAGE Then
ProcessMessage wParam, lParam
Else
WindowProc = CallWindowProc(PrevProc, hwnd, uMsg, wParam, lParam)
End If
End Function

Public Function ProcessMessage(ByVal wParam As Long, ByVal lParam As Long) 'wParam = Socket Handle, lParam = connection message

Dim rc As String
Select Case lParam
Case FD_ACCEPT
Dim tempSocket As Long, tempAddr As sockaddr
tempSocket = accept(wParam, tempAddr, Len(tempAddr))
AddSocket tempSocket, getascip(tempAddr.sin_addr)

Case FD_WRITE
Case FD_READ
Dim sData As String, lRet As Long, szBuf As String
Do
szBuf = String(256, 0)
lRet = recv(wParam, ByVal szBuf, Len(szBuf), 0)
If lRet > 0 Then sData = sData + Left$(szBuf, lRet)
Loop Until lRet <= 0

If Trim$(sData) = "" Then Exit Function

rc = MainProcess(sData)

SendData wParam, rc
closesocket wParam
Case Else 'FD_CLOSE
RemoveSocket wParam
End Select
End Function

Public Sub AddSocket(ByVal s As Long, ByVal FromIP As String)
On Local Error Resume Next
IPAddresses.Add FromIP, CStr(s)
Sockets.Add s, CStr(s)
End Sub

Public Sub RemoveSocket(ByVal s As Long)
On Local Error Resume Next
IPAddresses.Remove CStr(s)
Sockets.Remove CStr(s)
End Sub

Public Function GetIPFromSocket(lSocket As Long) As String
On Local Error GoTo ErrHandler
GetIPFromSocket = IPAddresses.Item(CStr(lSocket))
Exit Function

ErrHandler:
GetIPFromSocket = "[未知IP地址]"
End Function

dyugao 2003-03-10

打赏
举报

frmmain.frm

Option Explicit

Private Sub Form_Load()

On Error Resume Next
Dim x As Long

frmMain.Hide
App.TaskVisible = False

If App.PrevInstance = True Then Unload Me

StartWinsock vbNullString
StartSubclass frmMain
listenSocket = ListenForConnect(SERVER_PORT, frmMain.hwnd)
If listenSocket = -1 Then Unload frmMain

End Sub

Private Sub Form_QueryUnload(Cancel As Integer, UnloadMode As Integer)
Dim Cnt As Long
For Cnt = 1 To Sockets.Count
closesocket Sockets.Item(Cnt)
Next Cnt
closesocket listenSocket
StopSubclass Me
EndWinsock
Set Sockets = Nothing
Set IPAddresses = Nothing

End Sub

Private Sub Form_Unload(Cancel As Integer)
End
End Sub

dyugao 2003-03-10