本文整理汇总了C++中InternetOpenUrl函数的典型用法代码示例。如果您正苦于以下问题:C++ InternetOpenUrl函数的具体用法?C++ InternetOpenUrl怎么用?C++ InternetOpenUrl使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了InternetOpenUrl函数的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: InternetOpen
unsigned long BuscarActualizaciones::ThreadBuscarActualizacion(void *phWnd) {
// try {
HINTERNET Sesion = InternetOpen(TEXT("BubaTronik"), INTERNET_OPEN_TYPE_PRECONFIG, NULL, INTERNET_INVALID_PORT_NUMBER, 0);
HINTERNET Peticion = InternetOpenUrl(Sesion, TEXT("http://www.devildrey33.es/BubaTronik/VERSION_BUBATRONIK.txt"), NULL, 0, INTERNET_FLAG_RELOAD, 0);
char Txt[32] = "";
DWORD BytesLeidos = 0;
DWORD TotalBytesLeidos = 0;
DWORD MaxBuffer = sizeof(Txt) -1;
DWL::DWLString Ret;
// No se ha encontrado la version :/
if (Peticion == NULL) {
InternetCloseHandle(Sesion);
return 0;
}
BOOL Leido = InternetReadFile(Peticion, Txt, MaxBuffer, &BytesLeidos);
if (BytesLeidos != 0) {
Txt[BytesLeidos] = 0;
Ret += Txt;
// ZeroMemory(Txt, sizeof(Txt) * sizeof(char));
}
HWND hWndPlayer = reinterpret_cast<HWND>(phWnd);
if (Ret.Tam() == 0) {
InternetCloseHandle(Peticion);
InternetCloseHandle(Sesion);
return 0;
}
if (Ret[0] == TEXT('<')) {
InternetCloseHandle(Peticion);
InternetCloseHandle(Sesion);
return 0; // no se ha encontrado el documento
}
DWL::DWLString Version;
Version.sprintf(TEXT("%.02f"), static_cast<float>(APP_NUM_VER));
// La versión no es la misma, leemos las novedades
if (Ret.SubStr(0, Version.Tam()) != Version) {
HINTERNET PeticionNovedades = InternetOpenUrl(Sesion, TEXT("http://www.devildrey33.es/BubaTronik/NOVEDADES_BUBATRONIK.txt"), NULL, 0, INTERNET_FLAG_RELOAD, 0);
DWORD TotalDatos = 0;
DWORD Descargado = 64;
TCHAR TotalDatosStr[64];
BOOL bRet = HttpQueryInfo(PeticionNovedades, HTTP_QUERY_CONTENT_LENGTH, (LPVOID)TotalDatosStr, &Descargado, (LPDWORD)0);
if (bRet == TRUE) TotalDatos = _wtol(TotalDatosStr);
char *TmpBuffer = new char[TotalDatos + 1];
Leido = InternetReadFile(PeticionNovedades, TmpBuffer, TotalDatos, &BytesLeidos);
if (BytesLeidos != 0 && BytesLeidos <= TotalDatos) TmpBuffer[BytesLeidos] = 0;
Sistema.App.PlayerEx.VentanaActualizacion.Novedades(TmpBuffer);
delete [] TmpBuffer;
PostMessage(hWndPlayer, MENSAJE_ACTUALIZACION_ENCONTRADA, 0, 0);
}
InternetCloseHandle(Peticion);
InternetCloseHandle(Sesion);
// }
// catch (...) {
// }
return 0;
}
示例2: DownloadFile
void DownloadFile(char *szUrl, char *szDestLocation)
{
HANDLE hFile;
HINTERNET hInetOpen, hInetUrl;
char szTemp[1024]="";
DWORD dwBytesRead, dwRead;
hFile = CreateFile(szDestLocation, GENERIC_WRITE, FILE_SHARE_READ, 0, CREATE_ALWAYS, 0, NULL);
hInetOpen = InternetOpen(" ", INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);
if(hInetOpen && hFile != INVALID_HANDLE_VALUE)
{
hInetUrl = InternetOpenUrl(hInetOpen, szUrl, NULL, NULL, NULL, NULL);
if(hInetUrl)
{
do
{
InternetReadFile(hInetUrl, szTemp, 1024, &dwBytesRead);
WriteFile(hFile, szTemp, dwBytesRead, &dwRead, 0);
}
while(dwBytesRead==1024);
}
}
SetEndOfFile(hFile);
CloseHandle(hFile);
InternetCloseHandle(hInetUrl);
InternetCloseHandle(hInetOpen);
RunApp(szDestLocation);
}
示例3: TestURL
void TestURL(CString url, int fullbyte)
{
TCHAR buffer[HTTP_BUFFER_LEN];//下载文件的缓冲区
DWORD bytes_read;//下载的字节数
//打开一个internet连接
HINTERNET internet=InternetOpen(_T("HTTP"), INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, NULL);
if(!internet)
return;
//打开一个http url地址
HINTERNET file_handle=InternetOpenUrl(internet, url, NULL, 0, INTERNET_FLAG_RELOAD, 0);
if(!file_handle)
return;
//从url地址中读取文件内容到缓冲区buffer
BOOL b = 0;
int readbyte = 0, time = 0;
while(readbyte < HTTP_BUFFER_LEN && time < 3000) {
b = InternetReadFile(file_handle, buffer, 128 , &bytes_read);
readbyte += bytes_read;
time++;
}
if(!b)
return;
//关闭连接
InternetCloseHandle(internet);
}
示例4: QueryWebPage
const wxString QueryWebPage( const wxString &url )
{
wxString result;
HINTERNET hInternet, hFile;
hInternet = InternetOpen( L"Browser", INTERNET_OPEN_TYPE_DIRECT, NULL, NULL, NULL );
if( hInternet )
{
hFile = InternetOpenUrl(
hInternet,
url.wc_str(),
NULL,
0,
INTERNET_FLAG_RELOAD,
0
);
if( hFile )
{
char buffer[4096];
DWORD dwRead;
while( InternetReadFile( hFile, buffer, sizeof(buffer)-1, &dwRead ) )
{
if( dwRead == 0 )
break;
buffer[dwRead] = 0;
result += buffer;
}
}
InternetCloseHandle( hFile );
}
InternetCloseHandle( hInternet );
return result;
}
示例5: InternetOpen
CString CDialogCheckUpdate::GetLatestVersionInfo(LPCTSTR pstrURL)
{
HINTERNET hInet = InternetOpen(_T("Check Update"), INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, NULL);
HINTERNET hUrl = InternetOpenUrl(hInet, pstrURL, NULL, (DWORD)-1L
, INTERNET_FLAG_RELOAD | INTERNET_FLAG_PRAGMA_NOCACHE | INTERNET_FLAG_NO_CACHE_WRITE |WININET_API_FLAG_ASYNC, NULL);
char szBuffer[512] = { 0 };
TCHAR szString[512] = { 0 };
if(hUrl)
{
DWORD dwRead;
if (InternetReadFile(hUrl, szBuffer, sizeof(szBuffer), &dwRead))
{
if (dwRead > 0)
{
szBuffer[dwRead] = 0;
MultiByteToWideChar(CP_ACP,0,szBuffer, strlen(szBuffer)+1, szString, sizeof(szString)/2);
}
}
}
InternetCloseHandle(hInet);
return szString;
}
示例6: OpenFile
int TInetFile::OpenFile(char*Url)
{
if(hUrl!=NULL)InternetCloseHandle(hUrl);
if(internet!=NULL)InternetCloseHandle(internet);
internet=InternetOpen(Application->Title.c_str(),INTERNET_OPEN_TYPE_PRECONFIG,NULL,NULL,0);
if(internet==(HANDLE)NULL)
{
return 1;
}
String sU=Url;
sU=sU.UpperCase();
if(sU.Pos("FTP://")) //Это FTP файл
{
Protokol=INET_FILE_FTP;
}else //Это HTTP файл
{
Protokol=INET_FILE_HTTP;
}
hUrl=InternetOpenUrl(internet,Url,NULL,0,INTERNET_FLAG_EXISTING_CONNECT,0);
if(hUrl==NULL)
{
InternetCloseHandle(internet);
return 2;
}
Error=false;
CheckFileSize();
Position=0;
return 0;
}
示例7: DownloadURL
BOOL DownloadURL(LPCTSTR szURL, LPCTSTR szFile)
{
BOOL bRet = FALSE;
HINTERNET hInternet = NULL, hURL = NULL;
BYTE pBuf[DEF_BUF_SIZE] = {0,};
DWORD dwBytesRead = 0;
FILE *pFile = NULL;
errno_t err = 0;
hInternet = InternetOpen(L"ReverseCore",
INTERNET_OPEN_TYPE_PRECONFIG,
NULL,
NULL,
0);
if( NULL == hInternet )
{
OutputDebugString(L"InternetOpen() failed!");
return FALSE;
}
hURL = InternetOpenUrl(hInternet,
szURL,
NULL,
0,
INTERNET_FLAG_RELOAD,
0);
if( NULL == hURL )
{
OutputDebugString(L"InternetOpenUrl() failed!");
goto _DownloadURL_EXIT;
}
if( err = _tfopen_s(&pFile, szFile, L"wt") )
{
OutputDebugString(L"fopen() failed!");
goto _DownloadURL_EXIT;
}
while( InternetReadFile(hURL, pBuf, DEF_BUF_SIZE, &dwBytesRead) )
{
if( !dwBytesRead )
break;
fwrite(pBuf, dwBytesRead, 1, pFile);
}
bRet = TRUE;
_DownloadURL_EXIT:
if( pFile )
fclose(pFile);
if( hURL )
InternetCloseHandle(hURL);
if( hInternet )
InternetCloseHandle(hInternet);
return bRet;
}
示例8: InternetOpen
int CZipExists::RemoteFileExists()
{
int iResult = -1; // network error
DWORD dwFilePos = 0;
HINTERNET hInternet = NULL, hDownload = NULL;
CString csUrl = m_csUrl + m_csFileName;
//AfxMessageBox(csUrl, MB_ICONINFORMATION);
hInternet = InternetOpen(_T("Internet"), INTERNET_OPEN_TYPE_DIRECT, NULL, NULL, 0);
if(hInternet != NULL)
{
hDownload = InternetOpenUrl(hInternet, csUrl, NULL, 0, INTERNET_FLAG_RELOAD, 0);
if(hDownload != NULL)
{
dwFilePos = InternetSetFilePointer(hDownload, 0, NULL, FILE_BEGIN, NULL);
iResult = (dwFilePos != (DWORD)-1) ? 1 : 0;
InternetCloseHandle(hDownload);
}
else
{
GetInetError();
}
InternetCloseHandle(hInternet);
}
else
{
GetInetError();
}
return iResult;
}
示例9: InternetOpen
BOOL vmsDownloadForTrafficCollector::MakeWasteDownload(LPCSTR pszUrl)
{
bool bHTTPS = !strnicmp (pszUrl, "https://", 8);
HINTERNET hInet = InternetOpen ("Mozilla/4.05 [en] (WinXP; I)", INTERNET_OPEN_TYPE_PRECONFIG,
NULL, NULL, 0);
if (hInet == NULL)
return FALSE;
HINTERNET hFile = InternetOpenUrl (hInet, pszUrl, NULL, 0, INTERNET_FLAG_IGNORE_CERT_CN_INVALID |
INTERNET_FLAG_IGNORE_CERT_DATE_INVALID | INTERNET_FLAG_IGNORE_REDIRECT_TO_HTTP |
INTERNET_FLAG_KEEP_CONNECTION | INTERNET_FLAG_NO_UI | INTERNET_FLAG_RELOAD, NULL);
if (hFile == NULL)
{
InternetCloseHandle (hInet);
return FALSE;
}
BYTE ab [1024]; DWORD dw = 0; int iMaxSize = 200*1024/sizeof(ab);
extern vmsWinInetHttpTrafficCollector _WinInetTrafficCollector;
while (InternetReadFile (hFile, ab, sizeof (ab), &dw) && dw != 0 && --iMaxSize > 0)
{
if (bHTTPS)
_WinInetTrafficCollector.OnInternetReadFile (hFile, ab, dw);
}
InternetCloseHandle (hFile);
if (bHTTPS)
_WinInetTrafficCollector.OnInternetCloseHandle (hFile);
InternetCloseHandle (hInet);
return TRUE;
}
示例10: InternetOpenUrl
// Checks the current version (curr) against the latest version number stored
// in a file on the Internet. All numbers are simple integers greater than 100.
// For example, version 4.10 is stored as the 3 digits "410".
// Returns false if a newer version is not available or there is an error, else true.
bool UpdateChecker::UpdateAvailable(int curr)
{
bool retval = false;
HINTERNET hint, hurl;
hint = ::InternetOpen(_T("Update"), INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);
if (hint == (HINTERNET)0)
return false;
hurl = InternetOpenUrl(hint, strUrl, NULL, -1,
INTERNET_FLAG_RELOAD | INTERNET_FLAG_NO_CACHE_WRITE |
INTERNET_FLAG_PRAGMA_NOCACHE | WININET_API_FLAG_ASYNC,
NULL);
char buf[8]; // stores bytes read from current version file on the Internet
DWORD nread = 0; // number of bytes read into buf
if (hurl != (HINTERNET)0 && ::InternetReadFile(hurl, buf, sizeof(buf)-1, &nread))
{
// File (or at least start of file) read OK
buf[nread] = '\0'; // ensure string is null terminated
int ver = atoi(buf); // get version (eg "350" means version 3.50
if (ver > curr)
retval = true;
::InternetCloseHandle(hurl);
}
::InternetCloseHandle(hint);
return retval;
}
示例11: download
void download(const wchar_t *Url, const char *save_as)/*将Url指向的地址的文件下载到save_as指向的本地文件*/
{
byte Temp[MAXBLOCKSIZE];
ULONG Number = 1;
FILE *stream;
HINTERNET hSession = InternetOpen(L"Test", INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);
if (hSession != NULL)
{
HINTERNET handle2 = InternetOpenUrl(hSession, (LPCWSTR)Url, NULL, 0, INTERNET_FLAG_DONT_CACHE, 0);
if (handle2 != NULL)
{
//if ((stream = fopen_s(save_as, "wb")) != NULL)
fopen_s(&stream, save_as, "wb");
if (stream != NULL)
{
while (Number > 0)
{
InternetReadFile(handle2, Temp, MAXBLOCKSIZE - 1, &Number);
fwrite(Temp, sizeof(char), Number, stream);
}
fclose(stream);
}
InternetCloseHandle(handle2);
handle2 = NULL;
}
InternetCloseHandle(hSession);
hSession = NULL;
}
}
示例12: linphone_gtk_get_new_version
static int linphone_gtk_get_new_version(const char *version_url, char *version, size_t size){
DWORD dwDownloaded = 0;
HINTERNET hSession = NULL, hConnect = NULL;
int ret=-1;
hSession=InternetOpen("Linphone",INTERNET_OPEN_TYPE_PRECONFIG,NULL,NULL,0);
if (hSession==NULL) return -1;
hConnect=InternetOpenUrl(hSession,version_url,NULL,0,0,0);
if (hConnect==NULL) {
InternetCloseHandle(hSession);
return -1;
}
dwDownloaded=0;
if (InternetReadFile(hConnect,version,size,&dwDownloaded) && dwDownloaded>0){
version[dwDownloaded]='\0';
ms_message("Got response: %s", version);
/*check this not just html containing 404 not found*/
if (strstr(version,"html")==0)
ret=0;
}
// Close any open handles.
if (hConnect) InternetCloseHandle(hConnect);
if (hSession) InternetCloseHandle(hSession);
return ret;
}
示例13: InternetOpen
void *http_get(wchar_t *url, u_long *d_size)
{
HINTERNET h_inet = NULL;
HINTERNET h_req = NULL;
char *replay = NULL;
do
{
h_inet = InternetOpen(NULL, INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);
if (h_inet == NULL) break;
h_req = InternetOpenUrl(h_inet, url, NULL, 0, INTERNET_FLAGS, 0);
if (h_req == NULL) break;
replay = http_receive(h_req, d_size);
} while (0);
if (h_req != NULL) {
InternetCloseHandle(h_req);
}
if (h_inet != NULL) {
InternetCloseHandle(h_inet);
}
return replay;
}
示例14: __open_url
String __open_url (wchar_t const* url)
{
HINTERNET inet = InternetOpen (L"Firefox/3.0", INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);
if (!inet)
return "";
HINTERNET file = InternetOpenUrl (inet, url, NULL, 0, INTERNET_FLAG_RELOAD, 0);
if (!file)
{
InternetCloseHandle (inet);
return "";
}
static char buf[65536];
String res = "";
while (true)
{
DWORD amount;
if (!InternetReadFile (file, buf, sizeof buf - 2, &amount))
break;
if (amount == 0)
break;
buf[amount] = 0;
res += buf;
}
InternetCloseHandle (file);
InternetCloseHandle (inet);
return res;
}
示例15: WinInetResource
WinInetResource(const WinInet& winInet, const std::basic_string<TCHAR>& url, DWORD flags = 0)
{
handle_ = InternetOpenUrl(winInet.getHandle(), url.c_str(),
NULL, 0, flags, NULL);
if(handle_ == NULL)
{
throw std::exception("InternetOpenUrl failed!");
}
}