# QUuid Class Reference
## [[QtCore](index.htm) module]
该QUuid类存储通用唯一标识符(UUID) 。[More...](#details)
### Types
* `enum Variant { VarUnknown, NCS, DCE, Microsoft, Reserved }`
* `enum Version { VerUnknown, Time, EmbeddedPOSIX, Name, Random }`
### Methods
* `__init__ (self)`
* `__init__ (self, int l, int w1, int w2, str b1, str b2, str b3, str b4, str b5, str b6, str b7, str b8)`
* `__init__ (self, QString)`
* `__init__ (self, QByteArray)`
* `__init__ (self, QUuid)`
* `bool isNull (self)`
* `QByteArray toByteArray (self)`
* `QByteArray toRfc4122 (self)`
* `QString toString (self)`
* `Variant variant (self)`
* `Version version (self)`
### Static Methods
* `QUuid createUuid ()`
* `QUuid fromRfc4122 (QByteArray)`
### Special Methods
* `bool __eq__ (self, QUuid orig)`
* `bool __ge__ (self, QUuid other)`
* `bool __gt__ (self, QUuid other)`
* `bool __le__ (self, QUuid other)`
* `bool __lt__ (self, QUuid other)`
* `bool __ne__ (self, QUuid orig)`
* `str __repr__ (self)`
* * *
## Detailed Description
该QUuid类存储通用唯一标识符(UUID) 。
Using _U_niversally_U_NIQUE_ID_entifiers ( UUID)是一种标准的方式来唯一地标识在分布式计算环境中的实体。 UUID是一个由一些算法,是为了保证该UUID将是唯一的在那里它被用来在分布式计算环境中产生的16字节(128位)的数目。首字母缩写词的GUID通常用来代替,_G_lobally_U_NIQUE_ID_entifiers ,但它指的是同一件事。
实际上,该GUID是1_variant_的UUID。多个变体都在使用。每个UUID包含一个位域,指定它是UUID的类型(变种) 。通话[variant](quuid.html#variant)()来发现哪些类型的UUID QUuid的实例包含的内容。它提取的16个字节的字节8的三个最signifcant比特。在QUuid ,字节是8`QUuid.data4[0]`。如果您使用接受所有的数值作为参数的构造函数中创建QUuid的实例,请使用下表来设置参数的三个最显着的位`b1`,成为`QUuid.data4[0]`并包含在它的三个最显着位变体领域。在该表中, “ X”表示_don't care_。
| msb0 | msb1 | msb2 | Variant |
| --- | --- | --- | --- |
| 0 | x | x | NCS (Network Computing System) |
| 1 | 0 | x | DCE (Distributed Computing Environment) |
| 1 | 1 | 0 | Microsoft (GUID) |
| 1 | 1 | 1 | Reserved for future expansion |
If [variant](quuid.html#variant)()返回[QUuid.DCE](quuid.html#Variant-enum),的UUID还包含一个_version_中的四个最显着的位场`QUuid.data3`,你可以调用[version](quuid.html#version)( )来发现哪个版本的QUuid包含。如果您使用接受所有的数值作为参数的构造函数中创建QUuid的实例,请使用下表来设置参数的四个最显着的位`w2`,成为`QUuid.data3`并包含在其四个最显着位版本字段。
| msb0 | msb1 | msb2 | msb3 | Version |
| --- | --- | --- | --- | --- |
| 0 | 0 | 0 | 1 | Time |
| 0 | 0 | 1 | 0 | Embedded POSIX |
| 0 | 0 | 1 | 1 | Name |
| 0 | 1 | 0 | 0 | Random |
现场布局在表中列出的DCE版本在指定的[Network Working Group UUID Specification](http://www.ietf.org/rfc/rfc4122.txt)。
大多数平台上生成新的UUID ,例如提供一个工具`uuidgen`和`guidgen`。您也可以使用[createUuid](quuid.html#createUuid)( ) 。所产生的UUID[createUuid](quuid.html#createUuid)()是随机型。他们的[QUuid.Version](quuid.html#Version-enum)位被设置为[QUuid.Random](quuid.html#Version-enum),和它们的[QUuid.Variant](quuid.html#Variant-enum)位被设置为[QUuid.DCE](quuid.html#Variant-enum)。的UUID的其馀部分是由随机数。从理论上讲,这意味着有一个UUID,通过产生一个小的机会[createUuid](quuid.html#createUuid)( )将不会是唯一的。但它是 [a _very_ small chance](http://en.wikipedia.org/wiki/Universally_Unique_Identifier#Random_UUID_probability_of_duplicates)。
的UUID可以由数值或字符串的构造,或使用静态[createUuid](quuid.html#createUuid)()函数。它们可以被转换成一个字符串[toString](quuid.html#toString)( ) 。 UUID的有[variant](quuid.html#variant)()和一个[version](quuid.html#version)( ) ,和空的UUID返回True从[isNull](quuid.html#isNull)( ) 。
* * *
## Type Documentation
```
QUuid.Variant
```
这个枚举变量定义在使用的值[variant field](quuid.html#variant-field)的UUID 。在变型字段中的值决定了128位值的布局。
| Constant | Value | Description |
| --- | --- | --- |
| `QUuid.VarUnknown` | `-1` | Variant是未知 |
| `QUuid.NCS` | `0` | 预留NCS (网络计算系统)的向后兼容性 |
| `QUuid.DCE` | `2` | 分布式计算环境,使用计划[QUuid](quuid.html) |
| `QUuid.Microsoft` | `6` | 保留给微软向后兼容( GUID ) |
| `QUuid.Reserved` | `7` | 保留为将来之定义 |
```
QUuid.Version
```
这个枚举变量定义在使用的值[version field](quuid.html#version-field)的UUID 。版本字段是有意义的,只有在价值[variant field](quuid.html#variant-field) is [QUuid.DCE](quuid.html#Variant-enum)。
| Constant | Value | Description |
| --- | --- | --- |
| `QUuid.VerUnknown` | `-1` | 版本未知 |
| `QUuid.Time` | `1` | 以时间为基础,通过使用时间戳,时钟序列,和MAC网卡地址(如果有)为节点部分 |
| `QUuid.EmbeddedPOSIX` | `2` | DCE安全的版本,带有嵌入式POSIX的UUID |
| `QUuid.Name` | `3` | 基于名称的,使用的值从一个名进行的所有部分 |
| `QUuid.Random` | `4` | 随机化,通过使用随机数的所有节 |
* * *
## Method Documentation
```
QUuid.__init__ (self)
```
创建空的UUID 。[toString](quuid.html#toString)( )将输出空UUID作为“ { 00000000-0000-0000-0000-000000000000 } ” 。
```
QUuid.__init__ (self, int l, int w1, int w2, str b1, str b2, str b3, str b4, str b5, str b6, str b7, str b8)
```
创建一个具有由参数指定的值一个UUID ,_l_,_w1_,_w2_,_b1_,_b2_,_b3_,_b4_,_b5_,_b6_,_b7_,_b8_。
例如:
```
// {67C8770B-44F1-410A-AB9A-F9B5446F13EE}
[QUuid](quuid.html) IID_MyInterface(0x67c8770b, 0x44f1, 0x410a, 0xab, 0x9a, 0xf9, 0xb5, 0x44, 0x6f, 0x13, 0xee)
```
```
QUuid.__init__ (self, QString)
```
创建[QUuid](quuid.html)从字符串对象_text_,它必须格式化为相隔5进制领域“ - ” ,如“ { XXXXXXXX - XXXX-XXXX- XXXX-XXXXXXXXXXXX } ”,其中“X”是一个十六进制数字。这里显示的花括号是可选的,但它是正常的,包括他们。如果转换失败,空UUID被创建。看[toString](quuid.html#toString)( )对于如何五十六进制字段映射到公共数据成员的解释[QUuid](quuid.html)。
**See also** [toString](quuid.html#toString)()和[QUuid](quuid.html#QUuid)( ) 。
```
QUuid.__init__ (self, QByteArray)
```
```
QUuid.__init__ (self, QUuid)
```
创建[QUuid](quuid.html)从对象[QByteArray](qbytearray.html) _text_,它必须格式化为相隔5进制领域“ - ” ,如“ { XXXXXXXX - XXXX-XXXX- XXXX-XXXXXXXXXXXX } ”,其中“X”是一个十六进制数字。这里显示的花括号是可选的,但它是正常的,包括他们。如果转换失败,空UUID被创建。看[toByteArray](quuid.html#toByteArray)( )对于如何五十六进制字段映射到公共数据成员的解释[QUuid](quuid.html)。
此功能被引入Qt的4.8 。
**See also** [toByteArray](quuid.html#toByteArray)()和[QUuid](quuid.html#QUuid)( ) 。
```
QUuid QUuid.createUuid ()
```
[](quuid.html)
[在Windows以外的任何平台上,这个函数返回一个新的UUID与变异](quuid.html)[QUuid.DCE](quuid.html#Variant-enum)和版本[QUuid.Random](quuid.html#Version-enum)。如果在/ dev / urandom设备存在,则用于构造UUID的号码将加密的质量,这将使得UUID是唯一的。否则,该UUID的号码将被从本地伪随机数发生器(得到[qrand](index.htm#qrand)( ),它是由接种[qsrand](index.htm#qsrand)()) ,这是cryptograhic质量通常不是,表示的UUID不能保证是唯一的。
在Windows平台上,一个GUID生成,这几乎肯定_will_是唯一的,在这个或任何其他系统,联网与否。
**See also** [variant](quuid.html#variant)()和[version](quuid.html#version)( ) 。
```
QUuid QUuid.fromRfc4122 (QByteArray)
```
[](quuid.html)
[创建](quuid.html)[QUuid](quuid.html)从给定的UUID的二进制表示反对_bytes_,指定由RFC 4122第4.1.2节。看[toRfc4122](quuid.html#toRfc4122)( )为所需的字节顺序的进一步解释。
接受字节数组_not_一个人类可读的格式。
如果转换失败,空UUID被创建。
此功能被引入Qt的4.8 。
**See also** [toRfc4122](quuid.html#toRfc4122)()和[QUuid](quuid.html#QUuid)( ) 。
```
bool QUuid.isNull (self)
```
返回True如果是空的UUID { 00000000-0000-0000-0000-000000000000 } ,否则返回False 。
```
QByteArray QUuid.toByteArray (self)
```
[](qbytearray.html)
[返回此二进制表示](qbytearray.html)[QUuid](quuid.html)。字节数组的格式为分离五十六场“ - ”和大括号括起来,即“ { XXXXXXXX - XXXX-XXXX- XXXX-XXXXXXXXXXXX } ”,其中“X”是一个十六进制数字。由左到右,五十六进制字段从在四个公共数据成员获得[QUuid](quuid.html)如下:
| Field # | Source |
| --- | --- |
| 1 | data1 |
| 2 | data2 |
| 3 | data3 |
| 4 | data4[0] .. data4[1] |
| 5 | data4[2] .. data4[7] |
此功能被引入Qt的4.8 。
```
QByteArray QUuid.toRfc4122 (self)
```
[](qbytearray.html)
[返回此二进制表示](qbytearray.html)[QUuid](quuid.html)。字节数组是用big endian格式,并根据RFC 4122 ,第4.1.2格式化 - “布局和字节顺序” 。
的顺序如下所示:
| Field # | Source |
| --- | --- |
| 1 | data1 |
| 2 | data2 |
| 3 | data3 |
| 4 | data4[0] .. data4[7] |
此功能被引入Qt的4.8 。
```
QString QUuid.toString (self)
```
返回此字符串表示形式[QUuid](quuid.html)。该字符串的格式为分离五十六场“ - ”和大括号括起来,即“ { XXXXXXXX - XXXX-XXXX- XXXX-XXXXXXXXXXXX } ”,其中“X”是一个十六进制数字。由左到右,五十六进制字段从在四个公共数据成员获得[QUuid](quuid.html)如下:
| Field # | Source |
| --- | --- |
| 1 | data1 |
| 2 | data2 |
| 3 | data3 |
| 4 | data4[0] .. data4[1] |
| 5 | data4[2] .. data4[7] |
```
Variant QUuid.variant (self)
```
[](quuid.html#Variant-enum)
[传回值](quuid.html#Variant-enum)[variant field](quuid.html#variant-field)的UUID 。如果返回值是[QUuid.DCE](quuid.html#Variant-enum),调用[version](quuid.html#version)() ,看看哪些布局它使用。空的UUID被认为是一个未知的变体。
**See also** [version](quuid.html#version)( ) 。
```
Version QUuid.version (self)
```
[](quuid.html#Version-enum)
[返回](quuid.html#Version-enum)[version field](quuid.html#version-field)的UUID的,如果UUID的[variant field](quuid.html#variant-field) is [QUuid.DCE](quuid.html#Variant-enum)。否则返回[QUuid.VerUnknown](quuid.html#Version-enum)。
**See also** [variant](quuid.html#variant)( ) 。
```
bool QUuid.__eq__ (self, QUuid orig)
```
```
bool QUuid.__ge__ (self, QUuid other)
```
```
bool QUuid.__gt__ (self, QUuid other)
```
```
bool QUuid.__le__ (self, QUuid other)
```
```
bool QUuid.__lt__ (self, QUuid other)
```
```
bool QUuid.__ne__ (self, QUuid orig)
```
```
str QUuid.__repr__ (self)
```
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- QPen Class Reference
- QPersistentModelIndex Class Reference
- QPicture Class Reference
- QPictureIO Class Reference
- QPinchGesture Class Reference
- QPixmap Class Reference
- QPixmapCache Class Reference
- QPlainTextDocumentLayout Class Reference
- QPlainTextEdit Class Reference
- QPluginLoader Class Reference
- QPoint Class Reference
- QPointF Class Reference
- QPolygon Class Reference
- QPolygonF Class Reference
- QPrintDialog Class Reference
- QPrintEngine Class Reference
- QPrinter Class Reference
- QPrinterInfo Class Reference
- QPrintPreviewDialog Class Reference
- QPrintPreviewWidget Class Reference
- QProcess Class Reference
- QProcessEnvironment Class Reference
- QProgressBar Class Reference
- QProgressDialog Class Reference
- QPropertyAnimation Class Reference
- QProxyModel Class Reference
- QPushButton Class Reference
- QPyDeclarativePropertyValueSource Class Reference
- QPyDesignerContainerExtension Class Reference
- QPyDesignerCustomWidgetCollectionPlugin Class Reference
- QPyDesignerCustomWidgetPlugin Class Reference
- QPyDesignerMemberSheetExtension Class Reference
- QPyDesignerPropertySheetExtension Class Reference
- QPyDesignerTaskMenuExtension Class Reference
- QPyNullVariant Class Reference
- QPyTextObject Class Reference
- QQuaternion Class Reference
- QRadialGradient Class Reference
- QRadioButton Class Reference
- QRawFont Class Reference
- QReadLocker Class Reference
- QReadWriteLock Class Reference
- QRect Class Reference
- QRectF Class Reference
- QRegExp Class Reference
- QRegExpValidator Class Reference
- QRegion Class Reference
- QResizeEvent Class Reference
- QResource Class Reference
- QRubberBand Class Reference
- QRunnable Class Reference
- QScriptClass Class Reference
- QScriptClassPropertyIterator Class Reference
- QScriptContext Class Reference
- QScriptContextInfo Class Reference
- QScriptEngine Class Reference
- QScriptEngineAgent Class Reference
- QScriptEngineDebugger Class Reference
- QScriptString Class Reference
- QScriptSyntaxCheckResult Class Reference
- QScriptValue Class Reference
- QScriptValueIterator Class Reference
- QScrollArea Class Reference
- QScrollBar Class Reference
- QSemaphore Class Reference
- QSequentialAnimationGroup Class Reference
- QSessionManager Class Reference
- QSettings Class Reference
- QSharedMemory Class Reference
- QShortcut Class Reference
- QShortcutEvent Class Reference
- QShowEvent Class Reference
- QSignalMapper Class Reference
- QSignalTransition Class Reference
- QSimpleXmlNodeModel Class Reference
- QSize Class Reference
- QSizeF Class Reference
- QSizeGrip Class Reference
- QSizePolicy Class Reference
- QSlider Class Reference
- QSocketNotifier Class Reference
- QSortFilterProxyModel Class Reference
- QSound Class Reference
- QSourceLocation Class Reference
- QSpacerItem Class Reference
- QSpinBox Class Reference
- QSplashScreen Class Reference
- QSplitter Class Reference
- QSplitterHandle Class Reference
- QSql Class Reference
- QSqlDatabase Class Reference
- QSqlDriver Class Reference
- QSqlDriverCreatorBase Class Reference
- QSqlError Class Reference
- QSqlField Class Reference
- QSqlIndex Class Reference
- QSqlQuery Class Reference
- QSqlQueryModel Class Reference
- QSqlRecord Class Reference
- QSqlRelation Class Reference
- QSqlRelationalDelegate Class Reference
- QSqlRelationalTableModel Class Reference
- QSqlResult Class Reference
- QSqlTableModel Class Reference
- Qt4.7文档翻译:Qt样式单参考,Qt Style Sheets Reference
- QSsl Class Reference
- QSslCertificate Class Reference
- QSslCipher Class Reference
- QSslConfiguration Class Reference
- QSslError Class Reference
- QSslKey Class Reference
- QSslSocket Class Reference
- QStackedLayout Class Reference
- QStackedWidget Class Reference
- QStandardItem Class Reference
- QStandardItemModel Class Reference
- QState Class Reference
- QStateMachine Class Reference
- QStaticText Class Reference
- QStatusBar Class Reference
- QStatusTipEvent Class Reference
- QString Class Reference
- QStringList Class Reference
- QStringListModel Class Reference
- QStringMatcher Class Reference
- QStringRef Class Reference
- QStyle Class Reference
- QStyledItemDelegate Class Reference
- QStyleFactory Class Reference
- QStyleHintReturn Class Reference
- QStyleHintReturnMask Class Reference
- QStyleHintReturnVariant Class Reference
- QStyleOption Class Reference
- QStyleOptionButton Class Reference
- QStyleOptionComboBox Class Reference
- QStyleOptionComplex Class Reference
- QStyleOptionDockWidget Class Reference
- QStyleOptionDockWidgetV2 Class Reference
- QStyleOptionFocusRect Class Reference
- QStyleOptionFrame Class Reference
- QStyleOptionFrameV2 Class Reference
- QStyleOptionFrameV3 Class Reference
- QStyleOptionGraphicsItem Class Reference
- QStyleOptionGroupBox Class Reference
- QStyleOptionHeader Class Reference
- QStyleOptionMenuItem Class Reference
- QStyleOptionProgressBar Class Reference
- QStyleOptionProgressBarV2 Class Reference
- QStyleOptionRubberBand Class Reference
- QStyleOptionSizeGrip Class Reference
- QStyleOptionSlider Class Reference
- QStyleOptionSpinBox Class Reference
- QStyleOptionTab Class Reference
- QStyleOptionTabBarBase Class Reference
- QStyleOptionTabBarBaseV2 Class Reference
- QStyleOptionTabV2 Class Reference
- QStyleOptionTabV3 Class Reference
- QStyleOptionTabWidgetFrame Class Reference
- QStyleOptionTabWidgetFrameV2 Class Reference
- QStyleOptionTitleBar Class Reference
- QStyleOptionToolBar Class Reference
- QStyleOptionToolBox Class Reference
- QStyleOptionToolBoxV2 Class Reference
- QStyleOptionToolButton Class Reference
- QStyleOptionViewItem Class Reference
- QStyleOptionViewItemV2 Class Reference
- QStyleOptionViewItemV3 Class Reference
- QStyleOptionViewItemV4 Class Reference
- QStylePainter Class Reference
- QSvgGenerator Class Reference
- QSvgRenderer Class Reference
- QSvgWidget Class Reference
- QSwipeGesture Class Reference
- QSyntaxHighlighter Class Reference
- QSysInfo Class Reference
- QSystemLocale Class Reference
- QSystemSemaphore Class Reference
- QSystemTrayIcon Class Reference
- Qt Class Reference
- QTabBar Class Reference
- QTabletEvent Class Reference
- QTableView Class Reference
- QTableWidget Class Reference
- QTableWidgetItem Class Reference
- QTableWidgetSelectionRange Class Reference
- QTabWidget Class Reference
- QTapAndHoldGesture Class Reference
- QTapGesture Class Reference
- QTcpServer Class Reference
- QTcpSocket Class Reference
- QTemporaryFile Class Reference
- QTest Class Reference
- QTextBlock Class Reference
- QTextBlockFormat Class Reference
- QTextBlockGroup Class Reference
- QTextBlockUserData Class Reference
- QTextBoundaryFinder Class Reference
- QTextBrowser Class Reference
- QTextCharFormat Class Reference
- QTextCodec Class Reference
- QTextCursor Class Reference
- QTextDecoder Class Reference
- QTextDocument Class Reference
- QTextDocumentFragment Class Reference
- QTextDocumentWriter Class Reference
- QTextEdit Class Reference
- QTextEncoder Class Reference
- QTextFormat Class Reference
- QTextFragment Class Reference
- QTextFrame Class Reference
- QTextFrameFormat Class Reference
- QTextImageFormat Class Reference
- QTextInlineObject Class Reference
- QTextItem Class Reference
- QTextLayout Class Reference
- QTextLength Class Reference
- QTextLine Class Reference
- QTextList Class Reference
- QTextListFormat Class Reference
- QTextObject Class Reference
- QTextObjectInterface Class Reference
- QTextOption Class Reference
- QTextStream Class Reference
- QTextTable Class Reference
- QTextTableCell Class Reference
- QTextTableCellFormat Class Reference
- QTextTableFormat Class Reference
- QThread Class Reference
- QThreadPool Class Reference
- QTime Class Reference
- QTimeEdit Class Reference
- QTimeLine Class Reference
- QTimer Class Reference
- QTimerEvent Class Reference
- QToolBar Class Reference
- QToolBox Class Reference
- QToolButton Class Reference
- QToolTip Class Reference
- QTouchEvent Class Reference
- Reference
- QTransform Class Reference
- QTranslator Class Reference
- QTreeView Class Reference
- QTreeWidget Class Reference
- QTreeWidgetItem Class Reference
- QTreeWidgetItemIterator Class Reference
- QUdpSocket Class Reference
- QUndoCommand Class Reference
- QUndoGroup Class Reference
- QUndoStack Class Reference
- QUndoView Class Reference
- QUrl Class Reference
- QUrlInfo Class Reference
- QUuid Class Reference
- QValidator Class Reference
- QVariant Class Reference
- QVariantAnimation Class Reference
- QVBoxLayout Class Reference
- QVector2D Class Reference
- QVector3D Class Reference
- QVector4D Class Reference
- QVideoFrame Class Reference
- QVideoSurfaceFormat Class Reference
- QWaitCondition Class Reference
- QWebDatabase Class Reference
- QWebElement Class Reference
- QWebElementCollection Class Reference
- QWebFrame Class Reference
- QWebHistory Class Reference
- QWebHistoryInterface Class Reference
- QWebHistoryItem Class Reference
- QWebHitTestResult Class Reference
- QWebInspector Class Reference
- QWebPage Class Reference
- QWebPluginFactory Class Reference
- QWebSecurityOrigin Class Reference
- QWebSettings Class Reference
- QWebView Class Reference
- QWhatsThis Class Reference
- QWhatsThisClickedEvent Class Reference
- QWheelEvent Class Reference
- QWidget Class Reference
- QWidgetAction Class Reference
- QWidgetItem Class Reference
- QWindowStateChangeEvent Class Reference
- QWizard Class Reference
- QWizardPage Class Reference
- QWorkspace Class Reference
- QWriteLocker Class Reference
- QX11EmbedContainer Class Reference
- QX11EmbedWidget Class Reference
- QX11Info Class Reference
- QXmlAttributes Class Reference
- QXmlContentHandler Class Reference
- QXmlDeclHandler Class Reference
- QXmlDefaultHandler Class Reference
- QXmlDTDHandler Class Reference
- QXmlEntityResolver Class Reference
- QXmlErrorHandler Class Reference
- QXmlFormatter Class Reference
- QXmlInputSource Class Reference
- QXmlItem Class Reference
- QXmlLexicalHandler Class Reference
- QXmlLocator Class Reference
- QXmlName Class Reference
- QXmlNamePool Class Reference
- QXmlNamespaceSupport Class Reference
- QXmlNodeModelIndex Class Reference
- QXmlParseException Class Reference
- QXmlQuery Class Reference
- QXmlReader Class Reference
- QXmlResultItems Class Reference
- QXmlSchema Class Reference
- QXmlSchemaValidator Class Reference
- QXmlSerializer Class Reference
- QXmlSimpleReader Class Reference
- QXmlStreamAttribute Class Reference
- QXmlStreamAttributes Class Reference
- QXmlStreamEntityDeclaration Class Reference
- QXmlStreamEntityResolver Class Reference
- QXmlStreamNamespaceDeclaration Class Reference
- QXmlStreamNotationDeclaration Class Reference
- QXmlStreamReader Class Reference
- QXmlStreamWriter Class Reference