QDirListing::DirEntry Class

class QDirListing::DirEntry

상속된 멤버를 포함한 모든 멤버 목록
DirEntry는 입출력 및 네트워킹의 일부입니다.

공개 함수

QString	absoluteFilePath() const
QString	absolutePath() const
QString	baseName() const
QDateTime	birthTime(const QTimeZone &tz) const
QString	bundleName() const
QString	canonicalFilePath() const
QString	completeBaseName() const
QString	completeSuffix() const
bool	exists() const
QFileInfo	fileInfo() const
QString	fileName() const
QString	filePath() const
QDateTime	fileTime(QFileDevice::FileTime type, const QTimeZone &tz) const
bool	isDir() const
bool	isExecutable() const
bool	isFile() const
bool	isHidden() const
bool	isReadable() const
bool	isSymLink() const
bool	isWritable() const
QDateTime	lastModified(const QTimeZone &tz) const
QDateTime	lastRead(const QTimeZone &tz) const
QDateTime	metadataChangeTime(const QTimeZone &tz) const
qint64	size() const
QString	suffix() const

상세 설명

유효한 QDirListing::const_iterator 의 참조를 해제하면 DirEntry 개체가 반환됩니다.

DirEntry는 QFileInfo 의 API 중 일부(예: fileName(), filePath(), exists())를 제공합니다. 내부적으로 DirEntry는 필요한 경우, 즉 다른 시스템 함수에 의해 해당 정보가 이미 가져오지 않은 경우에만 QFileInfo 객체를 생성합니다. DirEntry::fileInfo()를 사용하여 QFileInfo 를 가져올 수 있습니다. 예:

using ItFlag = QDirListing::IteratorFlag;
for (const auto &dirEntry : QDirListing(u"/etc"_s, ItFlag::Recursive)) {
    // Faster
    if (dirEntry.fileName().endsWith(u".conf")) { /* ... */ }

    // This works, but might be potentially slower, since it has to construct a
    // QFileInfo, whereas (depending on the implementation) the fileName could
    // be known already
    if (dirEntry.fileInfo().fileName().endsWith(u".conf")) { /* ... */ }
}
using ItFlag = QDirListing::IteratorFlag;
for (const auto &dirEntry : QDirListing(u"/etc"_s, ItFlag::Recursive)) {
    // Both approaches are the same, because DirEntry will have to construct
    // a QFileInfo to get this info (for example, by calling system stat())

    if (dirEntry.size() >= 4'000 /* 4KB */) { /* ...*/ }
    if (dirEntry.fileInfo().size() >= 4'000 /* 4KB */) { /* ... */ }
}

멤버 함수 문서

QDateTime DirEntry::birthTime(const QTimeZone &tz) const

QDateTime DirEntry::fileTime(QFileDevice::FileTime type, const QTimeZone &tz) const

QDateTime DirEntry::lastModified(const QTimeZone &tz) const

QDateTime DirEntry::lastRead(const QTimeZone &tz) const

QDateTime DirEntry::metadataChangeTime(const QTimeZone &tz) const

QFileInfo DirEntry::fileInfo() const

QString DirEntry::absoluteFilePath() const

QString DirEntry::absolutePath() const

QString DirEntry::baseName() const

QString DirEntry::bundleName() const

QString DirEntry::canonicalFilePath() const

QString DirEntry::completeBaseName() const

QString DirEntry::completeSuffix() const

QString DirEntry::fileName() const

QString DirEntry::filePath() const

QString DirEntry::suffix() const

bool DirEntry::exists() const

bool DirEntry::isDir() const

bool DirEntry::isExecutable() const

bool DirEntry::isFile() const

bool DirEntry::isHidden() const

bool DirEntry::isReadable() const

bool DirEntry::isSymLink() const

bool DirEntry::isWritable() const

qint64 DirEntry::size() const

동일한 이름을 가진 QFileInfo 메서드를 참조하십시오.

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