Hallo Experten,
ich muss mir über folgendes Skript eine HTML-Seite herunterladen.
Der Quellcode:
Option Explicit
Private Declare Function InternetOpen Lib "wininet.dll" Alias "InternetOpenA" (ByVal lpszCallerName As String, ByVal dwAccessType As Long, ByVal lpszProxyName As String, ByVal lpszProxyBypass As String, ByVal dwFlags As Long) As Long
Private Declare Function InternetConnect Lib "wininet.dll" Alias "InternetConnectA" (ByVal hInternetSession As Long, ByVal lpszServerName As String, ByVal nProxyPort As Integer, ByVal lpszUsername As String, ByVal lpszPassword As String, ByVal dwService As Long, ByVal dwFlags As Long, ByVal dwContext As Long) As Long
Private Declare Function InternetReadFile Lib "wininet.dll" (ByVal hFile As Long, ByVal sBuffer As String, ByVal lNumBytesToRead As Long, lNumberOfBytesRead As Long) As Integer
Private Declare Function HttpOpenRequest Lib "wininet.dll" Alias "HttpOpenRequestA" (ByVal hInternetSession As Long, ByVal lpszVerb As String, ByVal lpszObjectName As String, ByVal lpszVersion As String, ByVal lpszReferer As String, ByVal lpszAcceptTypes As Long, ByVal dwFlags As Long, ByVal dwContext As Long) As Long
Private Declare Function HttpSendRequest Lib "wininet.dll" Alias "HttpSendRequestA" (ByVal hHttpRequest As Long, ByVal sHeaders As String, ByVal lHeadersLength As Long, ByVal sOptional As String, ByVal lOptionalLength As Long) As Boolean
Private Declare Function InternetCloseHandle Lib "wininet.dll" (ByVal hInternetHandle As Long) As Boolean
Private Declare Function HttpAddRequestHeaders Lib "wininet.dll" Alias "HttpAddRequestHeadersA" (ByVal hHttpRequest As Long, ByVal sHeaders As String, ByVal lHeadersLength As Long, ByVal lModifiers As Long) As Integer
Const INTERNET\_FLAG\_RELOAD = &H80000000
Const HTTP\_ADDREQ\_FLAG\_ADD = &H20000000
Const HTTP\_ADDREQ\_FLAG\_REPLACE = &H80000000
Sub searchDoc()
Dim domain As String
Dim script As String
Dim parameters As String
domain = "http://web2.w3logistics.com"
script = "/infopool/plz/index.php"
parameters = "plzart=3&w3l\_lang=de&oort=&ostr=&plzartb=3&plz=61267&go=+Go%21"
'MsgBox domain & script & parameters
Debug.Print PostInfo(domain, script, parameters)
End Sub
Public Function PostInfo(Server As String, script As String, PostData As String) As String
Dim hInternetOpen As Long
Dim hInternetConnect As Long
Dim hHttpOpenRequest As Long
Dim bRet As Boolean
Dim bDoLoop As Boolean
Dim sReadBuffer As String \* 4096
Dim lNumberOfBytesRead As Long
Dim sBuffer As String
Dim sHeader As String
Dim lPostDataLen As Long
hInternetOpen = 0
hInternetConnect = 0
hHttpOpenRequest = 0
'Use registry access settings.
Const INTERNET\_OPEN\_TYPE\_PRECONFIG = 0
hInternetOpen = InternetOpen("MyBrowser", INTERNET\_OPEN\_TYPE\_PRECONFIG, vbNullString, vbNullString, 0)
If hInternetOpen 0 Then
'Type of service to access.
Const INTERNET\_SERVICE\_HTTP = 3
Const INTERNET\_DEFAULT\_HTTP\_PORT = 80
'Change the server to your server name
hInternetConnect = InternetConnect(hInternetOpen, Server, INTERNET\_DEFAULT\_HTTP\_PORT, vbNullString, "HTTP/1.0", INTERNET\_SERVICE\_HTTP, 0, 0)
If hInternetConnect 0 Then
'Brings the data across the wire even if it locally cached.
hHttpOpenRequest = HttpOpenRequest(hInternetConnect, "POST", script, "HTTP/1.1", vbNullString, 0, INTERNET\_FLAG\_RELOAD, 0)
If hHttpOpenRequest 0 Then
sHeader = "Content-Type: application/x-www-form-urlencoded"
lPostDataLen = Len(PostData)
bRet = HttpSendRequest(hHttpOpenRequest, sHeader, Len(sHeader), PostData, lPostDataLen)
bDoLoop = True
Do While bDoLoop
sReadBuffer = vbNullString
bDoLoop = InternetReadFile(hHttpOpenRequest, sReadBuffer, Len(sReadBuffer), lNumberOfBytesRead)
sBuffer = sBuffer & Left(sReadBuffer, lNumberOfBytesRead)
If Not CBool(lNumberOfBytesRead) Then bDoLoop = False
Loop
PostInfo = sBuffer
bRet = InternetCloseHandle(hHttpOpenRequest)
End If
bRet = InternetCloseHandle(hInternetConnect)
End If
bRet = InternetCloseHandle(hInternetOpen)
End If
End Function
Leider scheitert das Programm an der Stelle
bRet = HttpSendRequest(hHttpOpenRequest, sHeader, Len(sHeader), PostData, lPostDataLen)
Kann mir einer von euch sagen warum?
Wäre für ein paar Antworten dankbar.
[MOD] - Pre-Tag eingefügt.