本文整理汇总了C++中QNetworkCacheMetaData::setUrl方法的典型用法代码示例。如果您正苦于以下问题：C++ QNetworkCacheMetaData::setUrl方法的具体用法？C++ QNetworkCacheMetaData::setUrl怎么用？C++ QNetworkCacheMetaData::setUrl使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QNetworkCacheMetaData的用法示例。
在下文中一共展示了QNetworkCacheMetaData::setUrl方法的2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: initCacheSaveDevice
void QNetworkReplyImplPrivate::initCacheSaveDevice()
{
Q_Q(QNetworkReplyImpl);
// The disk cache does not support partial content, so don't even try to
// save any such content into the cache.
if (q->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt() == 206) {
cacheEnabled = false;
return;
}
// save the meta data
QNetworkCacheMetaData metaData;
metaData.setUrl(url);
metaData = backend->fetchCacheMetaData(metaData);
// save the redirect request also in the cache
QVariant redirectionTarget = q->attribute(QNetworkRequest::RedirectionTargetAttribute);
if (redirectionTarget.isValid()) {
QNetworkCacheMetaData::AttributesMap attributes = metaData.attributes();
attributes.insert(QNetworkRequest::RedirectionTargetAttribute, redirectionTarget);
metaData.setAttributes(attributes);
}
cacheSaveDevice = networkCache()->prepare(metaData);
if (!cacheSaveDevice || (cacheSaveDevice && !cacheSaveDevice->isOpen())) {
if (cacheSaveDevice && !cacheSaveDevice->isOpen())
qCritical("QNetworkReplyImpl: network cache returned a device that is not open -- "
"class %s probably needs to be fixed",
networkCache()->metaObject()->className());
networkCache()->remove(url);
cacheSaveDevice = 0;
cacheEnabled = false;
} else {
q->connect(networkCache(), SIGNAL(destroyed()), SLOT(_q_cacheDestroyed()));
}
}示例2: saveToCache
bool saveToCache(const QUrl& url, const QByteArray& file) {
if (auto cache = NetworkAccessManager::getInstance().cache()) {
if (!cache->metaData(url).isValid()) {
QNetworkCacheMetaData metaData;
metaData.setUrl(url);
metaData.setSaveToDisk(true);
metaData.setLastModified(QDateTime::currentDateTime());
metaData.setExpirationDate(QDateTime()); // Never expires
// ioDevice is managed by the cache and should either be passed back to insert or remove!
if (auto ioDevice = cache->prepare(metaData)) {
ioDevice->write(file);
cache->insert(ioDevice);
qCDebug(asset_client) << url.toDisplayString() << "saved to disk cache";
return true;
}
qCWarning(asset_client) << "Could not save" << url.toDisplayString() << "to disk cache.";
}
} else {
qCWarning(asset_client) << "No disk cache to save assets to.";
}
return false;
}