# QSystemLocale Class Reference
## [[QtCore](index.htm) module]
The QSystemLocale class can be used to finetune the system locale of the user. [More...](#details)
### Types
* `enum QueryType { LanguageId, ScriptId, CountryId, DecimalPoint, ..., NativeCountryName }`
### Methods
* `__init__ (self)`
* `__init__ (self, QSystemLocale)`
* `QLocale fallbackLocale (self)`
* `QVariant query (self, QueryType?type, QVariant?in)`
* * *
## Detailed Description
The QSystemLocale class can be used to finetune the system locale of the user.
**Warning:**這個類只有在非常罕見的情況下非常有用。平時[QLocale](qlocale.html)提供了所有必需的應用程序開發的功能。
QSystemLocale允許復蓋系統區域設置（提供的值[QLocale.system](qlocale.html#system)（））。
* * *
## Type Documentation
```
QSystemLocale.QueryType
```
指定的信息被查詢的類型[query](qsystemlocale.html#query)（ ） 。對于每一個值的信息從返回值的類型[query](qsystemlocale.html#query)（ ）方法被列出。
| Constant | Value | Description |
| --- | --- | --- |
| `QSystemLocale.LanguageId` | `0` | 一個UINT指定的語言。 |
| `QSystemLocale.ScriptId` | `33` | 一個UINT指定的腳本。 |
| `QSystemLocale.CountryId` | `1` | 一個UINT指定的國家。 |
| `QSystemLocale.DecimalPoint` | `2` | 一[QString](qstring.html)指定小數點。 |
| `QSystemLocale.GroupSeparator` | `3` | 一[QString](qstring.html)指定的組分隔符。 |
| `QSystemLocale.ZeroDigit` | `4` | 一[QString](qstring.html)指定零位。 |
| `QSystemLocale.NegativeSign` | `5` | 一[QString](qstring.html)指定減號。 |
| `QSystemLocale.PositiveSign` | `23` | 一[QString](qstring.html)指定加號。 |
| `QSystemLocale.DateFormatLong` | `6` | 一[QString](qstring.html)指定的長日期格式 |
| `QSystemLocale.DateFormatShort` | `7` | 一[QString](qstring.html)指定的短日期格式 |
| `QSystemLocale.TimeFormatLong` | `8` | 一[QString](qstring.html)指定的長時間格式 |
| `QSystemLocale.TimeFormatShort` | `9` | 一[QString](qstring.html)指定的短時間格式 |
| `QSystemLocale.DayNameLong` | `10` | 一[QString](qstring.html)指定工作日的名稱。該變種中包含1和7之間的整數（星期一 - 星期日） |
| `QSystemLocale.DayNameShort` | `11` | 一[QString](qstring.html)指定一個工作日的簡稱。該變種中包含1和7之間的整數（星期一 - 星期日） |
| `QSystemLocale.MonthNameLong` | `12` | 一[QString](qstring.html)指定月份的名稱。該變種中包含1到12之間的整數 |
| `QSystemLocale.MonthNameShort` | `13` | 一[QString](qstring.html)指定月份的簡稱。該變種中包含1到12之間的整數 |
| `QSystemLocale.DateToStringLong` | `14` | 轉換[QDate](qdate.html)存儲在變量中的[QString](qstring.html)采用長日期格式 |
| `QSystemLocale.DateToStringShort` | `15` | 轉換[QDate](qdate.html)存儲在變量中的[QString](qstring.html)使用短日期格式 |
| `QSystemLocale.TimeToStringLong` | `16` | 轉換[QTime](qtime.html)存儲在變量中的[QString](qstring.html)使用長時間格式 |
| `QSystemLocale.TimeToStringShort` | `17` | 轉換[QTime](qtime.html)存儲在變量中的[QString](qstring.html)用很短的時間格式 |
| `QSystemLocale.DateTimeFormatLong` | `18` | 一[QString](qstring.html)指定的長日期時間格式 |
| `QSystemLocale.DateTimeFormatShort` | `19` | 一[QString](qstring.html)指定的短日期時間格式 |
| `QSystemLocale.DateTimeToStringLong` | `20` | 轉換[QDateTime](qdatetime.html)在變型中的[QString](qstring.html)使用長日期時間格式 |
| `QSystemLocale.DateTimeToStringShort` | `21` | 轉換[QDateTime](qdatetime.html)在變型中的[QString](qstring.html)使用短日期時間格式 |
| `QSystemLocale.MeasurementSystem` | `22` | 一[QLocale.MeasurementSystem](qlocale.html#MeasurementSystem-enum)枚舉指定測量系統 |
| `QSystemLocale.AMText` | `24` | 表示用12小時時鐘相關的系統AM指示的字符串。 |
| `QSystemLocale.PMText` | `25` | 表示用12小時時鐘相關的系統PM指示的字符串。 |
| `QSystemLocale.FirstDayOfWeek` | `26` | 一[Qt.DayOfWeek](qt.html#DayOfWeek-enum)枚舉specifiying一周的第一天 |
| `QSystemLocale.CurrencySymbol` | `28` | 它表示的格式QLocale.CurrencyFormat貨幣的字符串。 |
| `QSystemLocale.CurrencyToString` | `29` | 一些帶有貨幣符號的本地化字符串表示形式。將一個[QSystemLocale.CurrencyToStringArgument](index.htm)存儲在變量中的[QString](qstring.html)。 |
| `QSystemLocale.UILanguages` | `30` | 表示可用于用戶界面翻譯語言環境名稱的字符串列表。 |
| `QSystemLocale.StringToStandardQuotation` | `31` | 一[QString](qstring.html)含有使用標準報價存儲在變量中的字符串裁判的引用的版本。 |
| `QSystemLocale.StringToAlternateQuotation` | `32` | 一[QString](qstring.html)含有使用替代引號存儲在變量中的字符串裁判的引用的版本。 |
| `QSystemLocale.Weekdays` | `27` | 一[QList](index.htm)\u003c[Qt.DayOfWeek](qt.html#DayOfWeek-enum)\u003e指定正規平日 |
| `QSystemLocale.LocaleChanged` | `35` | 這種類型的查詢時系統區域設置被改變。 |
| `QSystemLocale.ListToSeparatedString` | `34` | 一個表示連接的一個給定的一個字符串[QStringList](qstringlist.html)一個語言環境定義的分隔符。 |
| `QSystemLocale.NativeLanguageName` | `36` | 表示本機語言的名稱的字符串。 |
| `QSystemLocale.NativeCountryName` | `37` | 代表祖國的名稱的字符串。 |
* * *
## Method Documentation
```
QSystemLocale.__init__ (self)
```
構造一個[QSystemLocale](qsystemlocale.html)對象。該構造函數會自動安裝這個對象作為系統區域設置和刪除任何早期安裝的系統語言環境。
```
QSystemLocale.__init__ (self, QSystemLocale)
```
```
QLocale QSystemLocale.fallbackLocale (self)
```
[
返回從系統中獲得的回退區域設置。
此功能被引入Qt的4.6 。
```
QVariant QSystemLocale.query (self, QueryType?type, QVariant?in)
```
通用查詢方法語言環境數據。提供間接。表示_type_用查詢_in_作為輸入數據根據查詢。
](qlocale.html)
[**See also**](qlocale.html) [QSystemLocale.QueryType](qsystemlocale.html#QueryType-enum)。
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- 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