Winsock系统,不适合在VB里使用。或者 Internet*系列API
例如:
BOOL InternetReadFile(
IN HINTERNET hFile,
IN LPVOID lpBuffer,
IN DWORD dwNumberOfBytesToRead,
OUT LPDWORD lpNumberOfBytesRead
);
例如:
BOOL InternetReadFile(
IN HINTERNET hFile,
IN LPVOID lpBuffer,
IN DWORD dwNumberOfBytesToRead,
OUT LPDWORD lpNumberOfBytesRead
);
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Private Declare Function InternetOpenUrl Lib "wininet.dll" Alias "InternetOpenUrlA" (ByVal hInternetSession As Long, ByVal sURL As String, ByVal sHeaders As String, ByVal lHeadersLength As Long, ByVal lFlags As Long, ByVal lContext 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 InternetCloseHandle Lib "wininet.dll" (ByVal hInet As Long) As IntegerPrivate Const IF_FROM_CACHE = &H1000000
Private Const IF_MAKE_PERSISTENT = &H2000000
Private Const IF_NO_CACHE_WRITE = &H4000000
Private Const BUFFER_LEN = 256Public Function GetUrlSource(sURL As String) As String
Dim sBuffer As String * BUFFER_LEN, iResult As Integer, sData As String
Dim hInternet As Long, hSession As Long, lReturn As Long 'get the handle of the current internet connection
hSession = InternetOpen("vb wininet", 1, vbNullString, vbNullString, 0)
'get the handle of the url
If hSession Then hInternet = InternetOpenUrl(hSession, sURL, vbNullString, 0, IF_NO_CACHE_WRITE, 0)
'if we have the handle, then start reading the web page
If hInternet Then
'get the first chunk & buffer it.
iResult = InternetReadFile(hInternet, sBuffer, BUFFER_LEN, lReturn)
sData = sBuffer
'if there's more data then keep reading it into the buffer
Do While lReturn <> 0
iResult = InternetReadFile(hInternet, sBuffer, BUFFER_LEN, lReturn)
sData = sData + Mid(sBuffer, 1, lReturn)
Loop
End If
你的API 声明是那里来的?
你的API 声明是那里来的?
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