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  4. QLocale

內容

QLocale 類

The QLocale class converts between numbers and their string representations in various languages. 更多...

頭： #include <QLocale>

注意： 此類的所有函數 可重入 , except for setDefault (), which is nonreentrant.

公共類型

class 數據
enum Country { AnyCountry, Afghanistan, Albania, Algeria, ..., LatinAmericaAndTheCaribbean }
enum CurrencySymbolFormat { CurrencyIsoCode, CurrencySymbol, CurrencyDisplayName }
enum FormatType { LongFormat, ShortFormat, NarrowFormat }
enum Language { AnyLanguage, C, Abkhazian, Afan, ..., Shambala }
enum MeasurementSystem { MetricSystem, ImperialSystem }
enum NumberOption { OmitGroupSeparator, RejectGroupSeparator }
flags NumberOptions
enum QuotationStyle { StandardQuotation, AlternateQuotation }
enum Script { AnyScript, ArabicScript, CyrillicScript, DeseretScript, ..., TifinaghScript }

公共函數

QLocale ()
QLocale (const QString & name )
QLocale (Language 語言 , Country country = AnyCountry)
QLocale (Language 語言 , Script script , Country country )
QLocale (const QLocale & other )
QString amText () const
QString bcp47Name () const
Country country () const
QString createSeparatedList (const QStringList & list ) const
QString currencySymbol (CurrencySymbolFormat format = CurrencySymbol) const
QString dateFormat (FormatType format = LongFormat) const
QString dateTimeFormat (FormatType format = LongFormat) const
QString dayName (int day , FormatType type = LongFormat) const
QChar decimalPoint () const
QChar exponential () const
Qt::DayOfWeek firstDayOfWeek () const
QChar groupSeparator () const
Language language () const
MeasurementSystem measurementSystem () const
QString monthName (int month , FormatType type = LongFormat) const
QString name () const
QString nativeCountryName () const
QString nativeLanguageName () const
QChar negativeSign () const
NumberOptions numberOptions () const
QChar percent () const
QString pmText () const
QChar positiveSign () const
QString quoteString (const QString & str , QuotationStyle style = StandardQuotation) const
QString quoteString (const QStringRef & str , QuotationStyle style = StandardQuotation) const
Script script () const
void setNumberOptions (NumberOptions options )
QString standaloneDayName (int day , FormatType type = LongFormat) const
QString standaloneMonthName (int month , FormatType type = LongFormat) const
Qt::LayoutDirection textDirection () const
QString timeFormat (FormatType format = LongFormat) const
QString toCurrencyString (qlonglong value , const QString & symbol = QString()) const
QString toCurrencyString (qulonglong value , const QString & symbol = QString()) const
QString toCurrencyString (double value , const QString & symbol = QString()) const
QString toCurrencyString (short value , const QString & symbol = QString()) const
QString toCurrencyString (ushort value , const QString & symbol = QString()) const
QString toCurrencyString (int value , const QString & symbol = QString()) const
QString toCurrencyString (uint value , const QString & symbol = QString()) const
QString toCurrencyString (float value , const QString & symbol = QString()) const
QDate toDate (const QString & string , FormatType format = LongFormat) const
QDate toDate (const QString & string , const QString & format ) const
QDateTime toDateTime (const QString & string , FormatType format = LongFormat) const
QDateTime toDateTime (const QString & string , const QString & format ) const
double toDouble (const QString & s , bool * ok = 0) const
float toFloat (const QString & s , bool * ok = 0) const
int toInt (const QString & s , bool * ok = 0, int base = 0) const
qlonglong toLongLong (const QString & s , bool * ok = 0, int base = 0) const
QString toLower (const QString & str ) const
short toShort (const QString & s , bool * ok = 0, int base = 0) const
QString toString (qlonglong i ) const
QString toString (const QDate & date , const QString & format ) const
QString toString (const QDate & date , FormatType format = LongFormat) const
QString toString (const QTime & time , const QString & format ) const
QString toString (const QTime & time , FormatType format = LongFormat) const
QString toString (const QDateTime & dateTime , FormatType format = LongFormat) const
QString toString (const QDateTime & dateTime , const QString & format ) const
QString toString (qulonglong i ) const
QString toString (double i , char f = 'g', int prec = 6) const
QString toString (short i ) const
QString toString (ushort i ) const
QString toString (int i ) const
QString toString (uint i ) const
QString toString (float i , char f = 'g', int prec = 6) const
QTime toTime (const QString & string , FormatType format = LongFormat) const
QTime toTime (const QString & string , const QString & format ) const
uint toUInt (const QString & s , bool * ok = 0, int base = 0) const
qlonglong toULongLong (const QString & s , bool * ok = 0, int base = 0) const
ushort toUShort (const QString & s , bool * ok = 0, int base = 0) const
QString toUpper (const QString & str ) const
QStringList uiLanguages () const
QList<Qt::DayOfWeek> weekdays () const
QChar zeroDigit () const
bool operator!= (const QLocale & other ) const
QLocale & operator= (const QLocale & other )
bool operator== (const QLocale & other ) const

靜態公共成員

QLocale c ()
QString countryToString (Country country )
QString languageToString (Language 語言 )
QList<QLocale> matchingLocales (QLocale::Language 語言 , QLocale::Script script , QLocale::Country country )
QString scriptToString (Script script )
void setDefault (const QLocale & locale )
QLocale system ()

詳細描述

The QLocale class converts between numbers and their string representations in various languages.

QLocale is initialized with a language/country pair in its constructor and offers number-to-string and string-to-number conversion functions similar to those in QString .

範例： 

QLocale egyptian(QLocale::Arabic, QLocale::Egypt);
QString s1 = egyptian.toString(1.571429E+07, 'e');
QString s2 = egyptian.toString(10);
double d = egyptian.toDouble(s1);
int i = egyptian.toInt(s2);

QLocale supports the concept of a default locale, which is determined from the system's locale settings at application startup. The default locale can be changed by calling the static member setDefault ()。設置默認區域設置有下列影響：

  • 若 QLocale object is constructed with the default constructor, it will use the default locale's settings.
  • QString::toInt (), QString::toDouble (), etc., interpret the string according to the default locale. If this fails, it falls back on the "C" locale.
  • QString::arg () 使用默認區域設置格式化數字，當它在格式化字符串中的位置說明符包含 L 時 (如：%L1)。

The following example illustrates how to use QLocale 直接： 

QLocale::setDefault(QLocale(QLocale::Hebrew, QLocale::Israel));
QLocale hebrew; // Constructs a default QLocale
QString s1 = hebrew.toString(15714.3, 'e');
bool ok;
double d;
QLocale::setDefault(QLocale::C);
d = QString("1234,56").toDouble(&ok);   // ok == false
d = QString("1234.56").toDouble(&ok);   // ok == true, d == 1234.56
QLocale::setDefault(QLocale::German);
d = QString("1234,56").toDouble(&ok);   // ok == true, d == 1234.56
d = QString("1234.56").toDouble(&ok);   // ok == true, d == 1234.56
QLocale::setDefault(QLocale(QLocale::English, QLocale::UnitedStates));
str = QString("%1 %L2 %L3")
      .arg(12345).arg(12345).arg(12345, 0, 16);
// str == "12345 12,345 3039"

When a language/country pair is specified in the constructor, one of three things can happen:

  • If the language/country pair is found in the database, it is used.
  • If the language is found but the country is not, or if the country is AnyCountry , the language is used with the most appropriate available country (for example, Germany for German),
  • If neither the language nor the country are found, QLocale defaults to the default locale (see setDefault ()).

使用 language () 和 country () to determine the actual language and country values used.

An alternative method for constructing a QLocale object is by specifying the locale name. 

QLocale korean("ko");
QLocale swiss("de_CH");

This constructor converts the locale name to a language/country pair; it does not use the system locale database.

注意： 對於當前鍵盤輸入區域設置，請查看 QApplication::keyboardInputLocale ().

QLocale 's data is based on Common Locale Data Repository v2.0.

The double-to-string and string-to-double conversion functions are covered by the following licenses:

Copyright (c) 1991 by AT&T.

Permission to use, copy, modify, and distribute this software for any purpose without fee is hereby granted, provided that this entire notice is included in all copies of any software which is or includes a copy or modification of this software and in all copies of the supporting documentation for such software.

THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED WARRANTY. IN PARTICULAR, NEITHER THE AUTHOR NOR AT&T MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.

This product includes software developed by the University of California, Berkeley and its contributors.

另請參閱 QString::arg (), QString::toInt (), QString::toDouble ()，和 QApplication::keyboardInputLocale ().

成員類型文檔編製

enum QLocale:: Country

此枚舉類型用於指定國傢。

常量 值
QLocale::AnyCountry 0
QLocale::Afghanistan 1
QLocale::Albania 2
QLocale::Algeria 3
QLocale::AmericanSamoa 4
QLocale::Andorra 5
QLocale::Angola 6
QLocale::Anguilla 7
QLocale::Antarctica 8
QLocale::AntiguaAndBarbuda 9
QLocale::Argentina 10
QLocale::Armenia 11
QLocale::Aruba 12
QLocale::Australia 13
QLocale::Austria 14
QLocale::Azerbaijan 15
QLocale::Bahamas 16
QLocale::Bahrain 17
QLocale::Bangladesh 18
QLocale::Barbados 19
QLocale::Belarus 20
QLocale::Belgium 21
QLocale::Belize 22
QLocale::Benin 23
QLocale::Bermuda 24
QLocale::Bhutan 25
QLocale::Bolivia 26
QLocale::BosniaAndHerzegowina 27
QLocale::Botswana 28
QLocale::BouvetIsland 29
QLocale::Brazil 30
QLocale::BritishIndianOceanTerritory 31
QLocale::BruneiDarussalam 32
QLocale::Bulgaria 33
QLocale::BurkinaFaso 34
QLocale::Burundi 35
QLocale::Cambodia 36
QLocale::Cameroon 37
QLocale::Canada 38
QLocale::CapeVerde 39
QLocale::CaymanIslands 40
QLocale::CentralAfricanRepublic 41
QLocale::Chad 42
QLocale::Chile 43
QLocale::China 44
QLocale::ChristmasIsland 45
QLocale::CocosIslands 46
QLocale::Colombia 47
QLocale::Comoros 48
QLocale::DemocraticRepublicOfCongo 49
QLocale::PeoplesRepublicOfCongo 50
QLocale::CookIslands 51
QLocale::CostaRica 52
QLocale::IvoryCoast 53
QLocale::Croatia 54
QLocale::Cuba 55
QLocale::Cyprus 56
QLocale::CzechRepublic 57
QLocale::Denmark 58
QLocale::Djibouti 59
QLocale::Dominica 60
QLocale::DominicanRepublic 61
QLocale::EastTimor 62
QLocale::Ecuador 63
QLocale::Egypt 64
QLocale::ElSalvador 65
QLocale::EquatorialGuinea 66
QLocale::Eritrea 67
QLocale::Estonia 68
QLocale::Ethiopia 69
QLocale::FalklandIslands 70
QLocale::FaroeIslands 71
QLocale::FijiCountry 72
QLocale::Finland 73
QLocale::France 74
QLocale::MetropolitanFrance 75
QLocale::FrenchGuiana 76
QLocale::FrenchPolynesia 77
QLocale::FrenchSouthernTerritories 78
QLocale::Gabon 79
QLocale::Gambia 80
QLocale::Georgia 81
QLocale::Germany 82
QLocale::Ghana 83
QLocale::Gibraltar 84
QLocale::Greece 85
QLocale::Greenland 86
QLocale::Grenada 87
QLocale::Guadeloupe 88
QLocale::Guam 89
QLocale::Guatemala 90
QLocale::Guinea 91
QLocale::GuineaBissau 92
QLocale::Guyana 93
QLocale::Haiti 94
QLocale::HeardAndMcDonaldIslands 95
QLocale::Honduras 96
QLocale::HongKong 97
QLocale::Hungary 98
QLocale::Iceland 99
QLocale::India 100
QLocale::Indonesia 101
QLocale::Iran 102
QLocale::Iraq 103
QLocale::Ireland 104
QLocale::Israel 105
QLocale::Italy 106
QLocale::Jamaica 107
QLocale::Japan 108
QLocale::Jordan 109
QLocale::Kazakhstan 110
QLocale::Kenya 111
QLocale::Kiribati 112
QLocale::DemocraticRepublicOfKorea 113
QLocale::RepublicOfKorea 114
QLocale::Kuwait 115
QLocale::Kyrgyzstan 116
QLocale::Lao 117
QLocale::Latvia 118
QLocale::Lebanon 119
QLocale::Lesotho 120
QLocale::Liberia 121
QLocale::LibyanArabJamahiriya 122
QLocale::Liechtenstein 123
QLocale::Lithuania 124
QLocale::Luxembourg 125
QLocale::Macau 126
QLocale::Macedonia 127
QLocale::Madagascar 128
QLocale::Malawi 129
QLocale::Malaysia 130
QLocale::Maldives 131
QLocale::Mali 132
QLocale::Malta 133
QLocale::MarshallIslands 134
QLocale::Martinique 135
QLocale::Mauritania 136
QLocale::Mauritius 137
QLocale::Mayotte 138
QLocale::Mexico 139
QLocale::Micronesia 140
QLocale::Moldova 141
QLocale::Monaco 142
QLocale::Mongolia 143
QLocale::Montserrat 144
QLocale::Morocco 145
QLocale::Mozambique 146
QLocale::Myanmar 147
QLocale::Namibia 148
QLocale::NauruCountry 149
QLocale::Nepal 150
QLocale::Netherlands 151
QLocale::NetherlandsAntilles 152
QLocale::NewCaledonia 153
QLocale::NewZealand 154
QLocale::Nicaragua 155
QLocale::Niger 156
QLocale::Nigeria 157
QLocale::Niue 158
QLocale::NorfolkIsland 159
QLocale::NorthernMarianaIslands 160
QLocale::Norway 161
QLocale::Oman 162
QLocale::Pakistan 163
QLocale::Palau 164
QLocale::PalestinianTerritory 165
QLocale::Panama 166
QLocale::PapuaNewGuinea 167
QLocale::Paraguay 168
QLocale::Peru 169
QLocale::Philippines 170
QLocale::Pitcairn 171
QLocale::Poland 172
QLocale::Portugal 173
QLocale::PuertoRico 174
QLocale::Qatar 175
QLocale::Reunion 176
QLocale::Romania 177
QLocale::RussianFederation 178
QLocale::Rwanda 179
QLocale::SaintKittsAndNevis 180
QLocale::StLucia 181
QLocale::StVincentAndTheGrenadines 182
QLocale::Samoa 183
QLocale::SanMarino 184
QLocale::SaoTomeAndPrincipe 185
QLocale::SaudiArabia 186
QLocale::Senegal 187
QLocale::SerbiaAndMontenegro 241
QLocale::Seychelles 188
QLocale::SierraLeone 189
QLocale::Singapore 190
QLocale::Slovakia 191
QLocale::Slovenia 192
QLocale::SolomonIslands 193
QLocale::Somalia 194
QLocale::SouthAfrica 195
QLocale::SouthGeorgiaAndTheSouthSandwichIslands 196
QLocale::Spain 197
QLocale::SriLanka 198
QLocale::StHelena 199
QLocale::StPierreAndMiquelon 200
QLocale::Sudan 201
QLocale::Suriname 202
QLocale::SvalbardAndJanMayenIslands 203
QLocale::Swaziland 204
QLocale::Sweden 205
QLocale::Switzerland 206
QLocale::SyrianArabRepublic 207
QLocale::Taiwan 208
QLocale::Tajikistan 209
QLocale::Tanzania 210
QLocale::Thailand 211
QLocale::Togo 212
QLocale::Tokelau 213
QLocale::TongaCountry 214
QLocale::TrinidadAndTobago 215
QLocale::Tunisia 216
QLocale::Turkey 217
QLocale::Turkmenistan 218
QLocale::TurksAndCaicosIslands 219
QLocale::Tuvalu 220
QLocale::Uganda 221
QLocale::Ukraine 222
QLocale::UnitedArabEmirates 223
QLocale::UnitedKingdom 224
QLocale::UnitedStates 225
QLocale::UnitedStatesMinorOutlyingIslands 226
QLocale::Uruguay 227
QLocale::Uzbekistan 228
QLocale::Vanuatu 229
QLocale::VaticanCityState 230
QLocale::Venezuela 231
QLocale::VietNam 232
QLocale::BritishVirginIslands 233
QLocale::USVirginIslands 234
QLocale::WallisAndFutunaIslands 235
QLocale::WesternSahara 236
QLocale::Yemen 237
QLocale::Yugoslavia 238
QLocale::Zambia 239
QLocale::Zimbabwe 240
QLocale::Montenegro 242
QLocale::Serbia 243
QLocale::SaintBarthelemy 244
QLocale::SaintMartin 245
QLocale::LatinAmericaAndTheCaribbean 246

另請參閱 country () 和 countryToString ().

enum QLocale:: CurrencySymbolFormat

指定貨幣符號的格式。

常量 值 描述
QLocale::CurrencyIsoCode 0 a ISO-4217 code of the currency.
QLocale::CurrencySymbol 1 a currency symbol.
QLocale::CurrencyDisplayName 2 a user readable name of the currency.

該枚舉在 Qt 4.8 引入或被修改。

enum QLocale:: FormatType

This enum describes the types of format that can be used when converting QDate and QTime objects to strings.

常量 值 描述
QLocale::LongFormat 0 The long version of day and month names; for example, returning "January" as a month name.
QLocale::ShortFormat 1 The short version of day and month names; for example, returning "Jan" as a month name.
QLocale::NarrowFormat 2 A special version of day and month names for use when space is limited; for example, returning "J" as a month name. Note that the narrow format might contain the same text for different months and days or it can even be an empty string if the locale doesn't support narrow names, so you should avoid using it for date formatting. Also, for the system locale this format is the same as ShortFormat.

enum QLocale:: Language

此枚舉類型用於指定語言。

常量 值 描述
QLocale::AnyLanguage 0
QLocale::C 1 The "C" locale is identical in behavior to English/ UnitedStates .
QLocale::Abkhazian 2
QLocale::Afan 3
QLocale::Afar 4
QLocale::Afrikaans 5
QLocale::Albanian 6
QLocale::Amharic 7
QLocale::Arabic 8
QLocale::Armenian 9
QLocale::Assamese 10
QLocale::Aymara 11
QLocale::Azerbaijani 12
QLocale::Bashkir 13
QLocale::Basque 14
QLocale::Bengali 15
QLocale::Bhutani 16
QLocale::Bihari 17
QLocale::Bislama 18
QLocale::Bosnian 142
QLocale::Breton 19
QLocale::Bulgarian 20
QLocale::Burmese 21
QLocale::Byelorussian 22
QLocale::Cambodian 23
QLocale::Catalan 24
QLocale::Chinese 25
QLocale::Cornish 145
QLocale::Corsican 26
QLocale::Croatian 27
QLocale::Czech 28
QLocale::Danish 29
QLocale::Divehi 143
QLocale::Dutch 30
QLocale::English 31
QLocale::Esperanto 32
QLocale::Estonian 33
QLocale::Faroese 34
QLocale::FijiLanguage 35
QLocale::Finnish 36
QLocale::French 37
QLocale::Frisian 38
QLocale::Gaelic 39
QLocale::Galician 40
QLocale::Georgian 41
QLocale::German 42
QLocale::Greek 43
QLocale::Greenlandic 44
QLocale::Guarani 45
QLocale::Gujarati 46
QLocale::Hausa 47
QLocale::Hebrew 48
QLocale::Hindi 49
QLocale::Hungarian 50
QLocale::Icelandic 51
QLocale::Indonesian 52
QLocale::Interlingua 53
QLocale::Interlingue 54
QLocale::Inuktitut 55
QLocale::Inupiak 56
QLocale::Irish 57
QLocale::Italian 58
QLocale::Japanese 59
QLocale::Javanese 60
QLocale::Kannada 61
QLocale::Kashmiri 62
QLocale::Kazakh 63
QLocale::Kinyarwanda 64
QLocale::Kirghiz 65
QLocale::Korean 66
QLocale::Kurdish 67
QLocale::Kurundi Rundi
QLocale::Laothian 69
QLocale::Latin 70
QLocale::Latvian 71
QLocale::Lingala 72
QLocale::Lithuanian 73
QLocale::Macedonian 74
QLocale::Malagasy 75
QLocale::Malay 76
QLocale::Malayalam 77
QLocale::Maltese 78
QLocale::Manx 144
QLocale::Maori 79
QLocale::Marathi 80
QLocale::Moldavian 81
QLocale::Mongolian 82
QLocale::NauruLanguage 83
QLocale::Nepali 84
QLocale::Norwegian 85
QLocale::NorwegianBokmal 挪威語
QLocale::Nynorsk 141 Obsolete, please use NorwegianNynorsk
QLocale::NorwegianNynorsk Nynorsk
QLocale::Occitan 86
QLocale::Oriya 87
QLocale::Pashto 88
QLocale::Persian 89
QLocale::Polish 90
QLocale::Portuguese 91
QLocale::Punjabi 92
QLocale::Quechua 93
QLocale::RhaetoRomance 94
QLocale::Romanian 95
QLocale::Russian 96
QLocale::Samoan 97
QLocale::Sangho 98
QLocale::Sanskrit 99
QLocale::Serbian 100
QLocale::SerboCroatian 101
QLocale::Sesotho 102
QLocale::Setswana 103
QLocale::Shona 104
QLocale::Sindhi 105
QLocale::Singhalese 106
QLocale::Siswati 107
QLocale::Slovak 108
QLocale::Slovenian 109
QLocale::Somali 110
QLocale::Spanish 111
QLocale::Sundanese 112
QLocale::Swahili 113
QLocale::Swedish 114
QLocale::Tagalog 115
QLocale::Tajik 116
QLocale::Tamil 117
QLocale::Tatar 118
QLocale::Telugu 119
QLocale::Thai 120
QLocale::Tibetan 121
QLocale::Tigrinya 122
QLocale::TongaLanguage 123
QLocale::Tsonga 124
QLocale::Turkish 125
QLocale::Turkmen 126
QLocale::Twi 127
QLocale::Uigur 128
QLocale::Ukrainian 129
QLocale::Urdu 130
QLocale::Uzbek 131
QLocale::Vietnamese 132
QLocale::Volapuk 133
QLocale::Welsh 134
QLocale::Wolof 135
QLocale::Xhosa 136
QLocale::Yiddish 137
QLocale::Yoruba 138
QLocale::Zhuang 139
QLocale::Zulu 140
QLocale::Bosnian 142
QLocale::Divehi 143
QLocale::Manx 144
QLocale::Cornish 145
QLocale::Akan 146
QLocale::Konkani 147
QLocale::Ga 148
QLocale::Igbo 149
QLocale::Kamba 150
QLocale::Syriac 151
QLocale::Blin 152
QLocale::Geez 153
QLocale::Koro 154
QLocale::Sidamo 155
QLocale::Atsam 156
QLocale::Tigre 157
QLocale::Jju 158
QLocale::Friulian 159
QLocale::Venda 160
QLocale::Ewe 161
QLocale::Walamo 162
QLocale::Hawaiian 163
QLocale::Tyap 164
QLocale::Chewa 165
QLocale::Filipino 166
QLocale::SwissGerman 167
QLocale::SichuanYi 168
QLocale::Kpelle 169
QLocale::LowGerman 170
QLocale::SouthNdebele 171
QLocale::NorthernSotho 172
QLocale::NorthernSami 173
QLocale::Taroko 174
QLocale::Gusii 175
QLocale::Taita 176
QLocale::Fulah 177
QLocale::Kikuyu 178
QLocale::Samburu 179
QLocale::Sena 180
QLocale::NorthNdebele 181
QLocale::Rombo 182
QLocale::Tachelhit 183
QLocale::Kabyle 184
QLocale::Nyankole 185
QLocale::Bena 186
QLocale::Vunjo 187
QLocale::Bambara 188
QLocale::Embu 189
QLocale::Cherokee 190
QLocale::Morisyen 191
QLocale::Makonde 192
QLocale::Langi 193
QLocale::Ganda 194
QLocale::Bemba 195
QLocale::Kabuverdianu 196
QLocale::Meru 197
QLocale::Kalenjin 198
QLocale::Nama 199
QLocale::Machame 200
QLocale::Colognian 201
QLocale::Masai 202
QLocale::Soga 203
QLocale::Luyia 204
QLocale::Asu 205
QLocale::Teso 206
QLocale::Saho 207
QLocale::KoyraChiini 208
QLocale::Rwa 209
QLocale::Luo 210
QLocale::Chiga 211
QLocale::CentralMoroccoTamazight 212
QLocale::KoyraboroSenni 213
QLocale::Shambala 214

另請參閱 language () 和 languageToString ().

enum QLocale:: MeasurementSystem

此枚舉定義用於度量的單位。

常量 值 描述
QLocale::MetricSystem 0 This value indicates metric units, such as meters, centimeters and millimeters.
QLocale::ImperialSystem 1 This value indicates imperial units, such as inches and miles. There are several distinct imperial systems in the world; this value stands for the official United States imperial units.

該枚舉在 Qt 4.4 引入或被修改。

enum QLocale:: NumberOption
flags QLocale:: NumberOptions

This enum defines a set of options for number-to-string and string-to-number conversions. They can be retrieved with numberOptions () 和設置采用 setNumberOptions ().

常量 值 描述
QLocale::OmitGroupSeparator 0x01 If this option is set, the number-to-string functions will not insert group separators in their return values. The default is to insert group separators.
QLocale::RejectGroupSeparator 0x02 If this option is set, the string-to-number functions will fail if they encounter group separators in their input. The default is to accept numbers containing correctly placed group separators.

NumberOptions 類型是 typedef 對於 QFlags <NumberOption>. It stores an OR combination of NumberOption values.

另請參閱 setNumberOptions () 和 numberOptions ().

enum QLocale:: QuotationStyle

此枚舉為區域設置特定引號，定義一組可能的樣式。

常量 值 描述
QLocale::StandardQuotation 0 If this option is set, the standard quotation marks will be used to quote strings.
QLocale::AlternateQuotation 1 If this option is set, the alternate quotation marks will be used to quote strings.

該枚舉在 Qt 4.8 引入或被修改。

另請參閱 quoteString ().

enum QLocale:: Script

此枚舉類型用於指定腳本。

常量 值 描述
QLocale::AnyScript 0
QLocale::ArabicScript 1
QLocale::CyrillicScript 2
QLocale::DeseretScript 3
QLocale::GurmukhiScript 4
QLocale::SimplifiedHanScript 5 如同 SimplifiedChineseScript
QLocale::SimplifiedChineseScript SimplifiedHanScript 如同 SimplifiedHanScript
QLocale::TraditionalHanScript 6 如同 TraditionalChineseScript
QLocale::TraditionalChineseScript TraditionalHanScript 如同 TraditionalHanScript
QLocale::LatinScript 7
QLocale::MongolianScript 8
QLocale::TifinaghScript 9

該枚舉在 Qt 4.8 引入或被修改。

另請參閱 script (), scriptToString ()，和 languageToString ().

成員函數文檔編製

QLocale:: QLocale ()

構造 QLocale object initialized with the default locale. If no default locale was set using setDefaultLocale(), this locale will be the same as the one returned by system ().

另請參閱 setDefault ().

QLocale:: QLocale (const QString & name )

構造 QLocale object with the specified name , which has the format "language[_script][_country][.codeset][@modifier]" or "C", where:

  • language is a lowercase, two-letter, ISO 639 language code,
  • script is a titlecase, four-letter, ISO 15924 script code,
  • country is an uppercase, two- or three-letter, ISO 3166 country code (also "419" as defined by United Nations),
  • and codeset and modifier are ignored.

The separator can be either underscore or a minus sign.

If the string violates the locale format, or language is not a valid ISO 369 code, the "C" locale is used instead. If country is not present, or is not a valid ISO 3166 code, the most appropriate country is chosen for the specified language.

The language, script and country codes are converted to their respective 語言 , Script and Country enums. After this conversion is performed the constructor behaves exactly like QLocale (Country, Script, Language).

This constructor is much slower than QLocale (Country, Script, Language).

另請參閱 bcp47Name ().

QLocale:: QLocale ( Language 語言 , Country country = AnyCountry)

構造 QLocale object with the specified 語言 and country .

  • If the language/country pair is found in the database, it is used.
  • If the language is found but the country is not, or if the country is AnyCountry , the language is used with the most appropriate available country (for example, Germany for German),
  • If neither the language nor the country are found, QLocale defaults to the default locale (see setDefault ()).

The language and country that are actually used can be queried using language () 和 country ().

另請參閱 setDefault (), language ()，和 country ().

QLocale:: QLocale ( Language 語言 , Script script , Country country )

構造 QLocale object with the specified 語言 , script and country .

  • If the language/script/country is found in the database, it is used.
  • If both script is AnyScript and country is AnyCountry , the language is used with the most appropriate available script and country (for example, Germany for German),
  • 若 script is AnyScript or country is AnyCountry , the language is used with the first locale that matches the given script and country .
  • If neither the language nor the country are found, QLocale defaults to the default locale (see setDefault ()).

The language, script and country that are actually used can be queried using language (), script () 和 country ().

該函數在 Qt 4.8 引入。

另請參閱 setDefault (), language (), script ()，和 country ().

QLocale:: QLocale (const QLocale & other )

構造 QLocale object as a copy of other .

QString QLocale:: amText () const

Returns the localized name of the "AM" suffix for times specified using the conventions of the 12-hour clock.

該函數在 Qt 4.5 引入。

另請參閱 pmText ().

QString QLocale:: bcp47Name () const

Returns the dash-separated language, script and country (and possibly other BCP47 fields) of this locale as a string.

不像 uiLanguages () the returned value of the bcp47Name() represents the locale name of the QLocale data but not the language the user-interface should be in.

此函數會試著使區域設置名稱符閤 BCP47。

該函數在 Qt 4.8 引入。

另請參閱 language (), country (), script ()，和 uiLanguages ().

[static] QLocale QLocale:: c ()

返迴 QLocale 對象被初始化成 C 區域設置。

另請參閱 system ().

Country QLocale:: country () const

返迴此區域設置的國傢。

另請參閱 language (), script (), countryToString ()，和 bcp47Name ().

[static] QString QLocale:: countryToString ( Country country )

返迴 QString 包含名稱對於 country .

另請參閱 languageToString (), scriptToString (), country ()，和 bcp47Name ().

QString QLocale:: createSeparatedList (const QStringList & list ) const

Returns a string that represents a join of a given list of strings with a separator defined by the locale.

該函數在 Qt 4.8 引入。

QString QLocale:: currencySymbol ( CurrencySymbolFormat format = CurrencySymbol) const

返迴貨幣符號根據 format .

該函數在 Qt 4.8 引入。

QString QLocale:: dateFormat ( FormatType format = LongFormat) const

Returns the date format used for the current locale.

若 format is LongFormat the format will be a long version. Otherwise it uses a shorter version.

該函數在 Qt 4.1 引入。

另請參閱 QDate::toString () 和 QDate::fromString ().

QString QLocale:: dateTimeFormat ( FormatType format = LongFormat) const

Returns the date time format used for the current locale.

若 format is ShortFormat the format will be a short version. Otherwise it uses a longer version.

該函數在 Qt 4.4 引入。

另請參閱 QDateTime::toString () 和 QDateTime::fromString ().

QString QLocale:: dayName ( int day , FormatType type = LongFormat) const

Returns the localized name of the day (where 1 represents Monday, 2 represents Tuesday and so on), in the format specified by type .

該函數在 Qt 4.2 引入。

另請參閱 monthName () 和 standaloneDayName ().

QChar QLocale:: decimalPoint () const

Returns the decimal point character of this locale.

該函數在 Qt 4.1 引入。

QChar QLocale:: exponential () const

Returns the exponential character of this locale.

該函數在 Qt 4.1 引入。

Qt::DayOfWeek QLocale:: firstDayOfWeek () const

Returns the first day of the week according to the current locale.

該函數在 Qt 4.8 引入。

QChar QLocale:: groupSeparator () const

返迴此區域設置的組分隔符。

該函數在 Qt 4.1 引入。

Language QLocale:: 語言 () const

返迴此區域設置的語言。

另請參閱 script (), country (), languageToString ()，和 bcp47Name ().

[static] QString QLocale:: languageToString ( Language 語言 )

返迴 QString 包含名稱對於 語言 .

另請參閱 countryToString (), scriptToString ()，和 bcp47Name ().

[static] QList < QLocale > QLocale:: matchingLocales ( QLocale::Language 語言 , QLocale::Script script , QLocale::Country country )

Returns a list of valid locale objects that match the given 語言 , script and country .

Getting a list of all locales: QList < QLocale > allLocales = QLocale::matchingLocales( QLocale::AnyLanguage , QLocale::AnyScript , QLocale::AnyCountry );

該函數在 Qt 4.8 引入。

MeasurementSystem QLocale:: measurementSystem () const

返迴區域設置的度量係統。

該函數在 Qt 4.4 引入。

QString QLocale:: monthName ( int month , FormatType type = LongFormat) const

返迴本地化名稱為 month ，按格式指定通過 type .

該函數在 Qt 4.2 引入。

另請參閱 dayName () 和 standaloneMonthName ().

QString QLocale:: name () const

Returns the language and country of this locale as a string of the form "language_country", where language is a lowercase, two-letter ISO 639 language code, and country is an uppercase, two- or three-letter ISO 3166 country code.

Note that even if QLocale object was constructed with an explicit script, name() will not contain it for compatibility reasons. Use bcp47Name () instead if you need a full locale name.

另請參閱 QLocale (), language (), script (), country ()，和 bcp47Name ().

QString QLocale:: nativeCountryName () const

Returns a native name of the country for the locale. For example "España" for Spanish/Spain locale.

該函數在 Qt 4.8 引入。

另請參閱 nativeLanguageName () 和 countryToString ().

QString QLocale:: nativeLanguageName () const

Returns a native name of the language for the locale. For example "Schwiizertüütsch" for Swiss-German locale.

該函數在 Qt 4.8 引入。

另請參閱 nativeCountryName () 和 languageToString ().

QChar QLocale:: negativeSign () const

Returns the negative sign character of this locale.

該函數在 Qt 4.1 引入。

NumberOptions QLocale:: numberOptions () const

Returns the options related to number conversions for this QLocale 實例。

By default, no options are set for the standard locales.

該函數在 Qt 4.2 引入。

另請參閱 setNumberOptions ().

QChar QLocale:: percent () const

返迴此區域設置的百分比字符。

該函數在 Qt 4.1 引入。

QString QLocale:: pmText () const

Returns the localized name of the "PM" suffix for times specified using the conventions of the 12-hour clock.

該函數在 Qt 4.5 引入。

另請參閱 amText ().

QChar QLocale:: positiveSign () const

返迴此區域設置的正號字符。

該函數在 Qt 4.5 引入。

QString QLocale:: quoteString (const QString & str , QuotationStyle style = StandardQuotation) const

返迴 str quoted according to the current locale using the given quotation style .

該函數在 Qt 4.8 引入。

QString QLocale:: quoteString (const QStringRef & str , QuotationStyle style = StandardQuotation) const

這是重載函數。

該函數在 Qt 4.8 引入。

Script QLocale:: script () const

返迴此區域設置的腳本。

該函數在 Qt 4.8 引入。

另請參閱 language (), country (), languageToString (), scriptToString ()，和 bcp47Name ().

[static] QString QLocale:: scriptToString ( Script script )

返迴 QString 包含名稱對於 script .

該函數在 Qt 4.8 引入。

另請參閱 languageToString (), countryToString (), script ()，和 bcp47Name ().

[static] void QLocale:: setDefault (const QLocale & locale )

將全局默認區域設置設為 locale . These values are used when a QLocale object is constructed with no arguments. If this function is not called, the system's locale is used.

警告： In a multithreaded application, the default locale should be set at application startup, before any non-GUI threads are created.

警告： 此函數不 可重入 .

另請參閱 system () 和 c ().

void QLocale:: setNumberOptions ( NumberOptions options )

設置 options related to number conversions for this QLocale 實例。

該函數在 Qt 4.2 引入。

另請參閱 numberOptions ().

QString QLocale:: standaloneDayName ( int day , FormatType type = LongFormat) const

Returns the localized name of the day (where 1 represents Monday, 2 represents Tuesday and so on) that is used as a standalone text, in the format specified by type .

If the locale information does not specify the standalone day name then return value is the same as in dayName ().

該函數在 Qt 4.5 引入。

另請參閱 dayName () 和 standaloneMonthName ().

QString QLocale:: standaloneMonthName ( int month , FormatType type = LongFormat) const

返迴本地化名稱為 month that is used as a standalone text, in the format specified by type .

If the locale information doesn't specify the standalone month name then return value is the same as in monthName ().

該函數在 Qt 4.5 引入。

另請參閱 monthName () 和 standaloneDayName ().

[static] QLocale QLocale:: system ()

返迴 QLocale object initialized to the system locale.

On Windows and Mac, this locale will use the decimal/grouping characters and date/time formats specified in the system configuration panel.

另請參閱 c ().

Qt::LayoutDirection QLocale:: textDirection () const

返迴語言的文本方嚮。

該函數在 Qt 4.7 引入。

QString QLocale:: timeFormat ( FormatType format = LongFormat) const

返迴用於當前區域設置的時間格式。

若 format is LongFormat the format will be a long version. Otherwise it uses a shorter version.

該函數在 Qt 4.1 引入。

另請參閱 QTime::toString () 和 QTime::fromString ().

QString QLocale:: toCurrencyString ( qlonglong value , const QString & symbol = QString()) const

返迴本地化字符串錶示為 value 以貨幣方式。若 symbol is provided it is used instead of the default currency symbol.

該函數在 Qt 4.8 引入。

另請參閱 currencySymbol ().

QString QLocale:: toCurrencyString ( qulonglong value , const QString & symbol = QString()) const

這是重載函數。

該函數在 Qt 4.8 引入。

QString QLocale:: toCurrencyString ( double value , const QString & symbol = QString()) const

這是重載函數。

該函數在 Qt 4.8 引入。

QString QLocale:: toCurrencyString ( short value , const QString & symbol = QString()) const

這是重載函數。

該函數在 Qt 4.8 引入。

QString QLocale:: toCurrencyString ( ushort value , const QString & symbol = QString()) const

這是重載函數。

該函數在 Qt 4.8 引入。

QString QLocale:: toCurrencyString ( int value , const QString & symbol = QString()) const

這是重載函數。

該函數在 Qt 4.8 引入。

QString QLocale:: toCurrencyString ( uint value , const QString & symbol = QString()) const

這是重載函數。

該函數在 Qt 4.8 引入。

QString QLocale:: toCurrencyString ( float value , const QString & symbol = QString()) const

這是重載函數。

該函數在 Qt 4.8 引入。

QDate QLocale:: toDate (const QString & string , FormatType format = LongFormat) const

Parses the date string given in string and returns the date. The format of the date string is chosen according to the format 參數 (見 dateFormat ()).

If the date could not be parsed, returns an invalid date.

該函數在 Qt 4.4 引入。

另請參閱 dateFormat (), toTime (), toDateTime ()，和 QDate::fromString ().

QDate QLocale:: toDate (const QString & string , const QString & format ) const

Parses the date string given in string and returns the date. See QDate::fromString () for information on the expressions that can be used with this function.

This function searches month names and the names of the days of the week in the current locale.

If the date could not be parsed, returns an invalid date.

該函數在 Qt 4.4 引入。

另請參閱 dateFormat (), toTime (), toDateTime ()，和 QDate::fromString ().

QDateTime QLocale:: toDateTime (const QString & string , FormatType format = LongFormat) const

Parses the date/time string given in string and returns the time. The format of the date/time string is chosen according to the format 參數 (見 dateTimeFormat ()).

If the string could not be parsed, returns an invalid QDateTime .

該函數在 Qt 4.4 引入。

另請參閱 dateTimeFormat (), toTime (), toDate ()，和 QDateTime::fromString ().

QDateTime QLocale:: toDateTime (const QString & string , const QString & format ) const

Parses the date/time string given in string and returns the time. See QDateTime::fromString () for information on the expressions that can be used with this function.

注意： The month and day names used must be given in the user's local language.

If the string could not be parsed, returns an invalid QDateTime .

該函數在 Qt 4.4 引入。

另請參閱 dateTimeFormat (), toTime (), toDate ()，和 QDateTime::fromString ().

double QLocale:: toDouble (const QString & s , bool * ok = 0) const

Returns the double represented by the localized string s , or 0.0 if the conversion failed.

若 ok is not 0, reports failure by setting *ok to false and success by setting *ok to true.

不像 QString::toDouble (), this function does not fall back to the "C" locale if the string cannot be interpreted in this locale. 

bool ok;
double d;
QLocale c(QLocale::C);
d = c.toDouble( "1234.56", &ok );  // ok == true, d == 1234.56
d = c.toDouble( "1,234.56", &ok ); // ok == true, d == 1234.56
d = c.toDouble( "1234,56", &ok );  // ok == false
QLocale german(QLocale::German);
d = german.toDouble( "1234,56", &ok );  // ok == true, d == 1234.56
d = german.toDouble( "1.234,56", &ok ); // ok == true, d == 1234.56
d = german.toDouble( "1234.56", &ok );  // ok == false
d = german.toDouble( "1.234", &ok );    // ok == true, d == 1234.0

Notice that the last conversion returns 1234.0, because '.' is the thousands group separator in the German locale.

此函數忽略前導和結尾空格。

另請參閱 toFloat (), toInt ()，和 toString ().

float QLocale:: toFloat (const QString & s , bool * ok = 0) const

Returns the float represented by the localized string s , or 0.0 if the conversion failed.

若 ok is not 0, reports failure by setting *ok to false and success by setting *ok to true.

此函數忽略前導和結尾空格。

另請參閱 toDouble (), toInt ()，和 toString ().

int QLocale:: toInt (const QString & s , bool * ok = 0, int base = 0) const

Returns the int represented by the localized string s , using base base 。若 base is 0 the base is determined automatically using the following rules: If the string begins with "0x", it is assumed to be hexadecimal; if it begins with "0", it is assumed to be octal; otherwise it is assumed to be decimal.

若轉換失敗，函數返迴 0。

若 ok is not 0, failure is reported by setting *ok to false, and success by setting *ok to true.

此函數忽略前導和結尾空格。

另請參閱 toUInt () 和 toString ().

qlonglong QLocale:: toLongLong (const QString & s , bool * ok = 0, int base = 0) const

Returns the long long int represented by the localized string s , using base base 。若 base is 0 the base is determined automatically using the following rules: If the string begins with "0x", it is assumed to be hexadecimal; if it begins with "0", it is assumed to be octal; otherwise it is assumed to be decimal.

若轉換失敗，函數返迴 0。

若 ok is not 0, failure is reported by setting *ok to false, and success by setting *ok to true.

此函數忽略前導和結尾空格。

另請參閱 toInt (), toULongLong (), toDouble ()，和 toString ().

QString QLocale:: toLower (const QString & str ) const

Returns a lowercase copy of str .

該函數在 Qt 4.8 引入。

short QLocale:: toShort (const QString & s , bool * ok = 0, int base = 0) const

Returns the short int represented by the localized string s , using base base 。若 base is 0 the base is determined automatically using the following rules: If the string begins with "0x", it is assumed to be hexadecimal; if it begins with "0", it is assumed to be octal; otherwise it is assumed to be decimal.

若轉換失敗，函數返迴 0。

若 ok is not 0, failure is reported by setting *ok to false, and success by setting *ok to true.

此函數忽略前導和結尾空格。

另請參閱 toUShort () 和 toString ().

QString QLocale:: toString ( qlonglong i ) const

返迴本地化字符串錶示為 i .

另請參閱 toLongLong ().

QString QLocale:: toString (const QDate & date , const QString & format ) const

返迴本地化字符串錶示為給定 date 以指定 format 。若 format 是空字符串，返迴空字符串。

QString QLocale:: toString (const QDate & date , FormatType format = LongFormat) const

返迴本地化字符串錶示為給定 date 根據指定 format .

QString QLocale:: toString (const QTime & time , const QString & format ) const

返迴本地化字符串錶示為給定 time 根據指定 format 。若 format 是空字符串，返迴空字符串。

QString QLocale:: toString (const QTime & time , FormatType format = LongFormat) const

返迴本地化字符串錶示為給定 time 以指定 format .

QString QLocale:: toString (const QDateTime & dateTime , FormatType format = LongFormat) const

返迴本地化字符串錶示為給定 dateTime 根據指定 format .

該函數在 Qt 4.4 引入。

QString QLocale:: toString (const QDateTime & dateTime , const QString & format ) const

返迴本地化字符串錶示為給定 dateTime 根據指定 format 。若 format 是空字符串，返迴空字符串。

該函數在 Qt 4.4 引入。

QString QLocale:: toString ( qulonglong i ) const

這是重載函數。

另請參閱 toULongLong ().

QString QLocale:: toString ( double i , char f = 'g', int prec = 6) const

這是重載函數。

f and prec 擁有相同含義如在 QString::number (double, char, int).

另請參閱 toDouble ().

QString QLocale:: toString ( short i ) const

這是重載函數。

另請參閱 toShort ().

QString QLocale:: toString ( ushort i ) const

這是重載函數。

另請參閱 toUShort ().

QString QLocale:: toString ( int i ) const

這是重載函數。

另請參閱 toInt ().

QString QLocale:: toString ( uint i ) const

這是重載函數。

另請參閱 toUInt ().

QString QLocale:: toString ( float i , char f = 'g', int prec = 6) const

這是重載函數。

f and prec 擁有相同含義如在 QString::number (double, char, int).

另請參閱 toDouble ().

QTime QLocale:: toTime (const QString & string , FormatType format = LongFormat) const

Parses the time string given in string and returns the time. The format of the time string is chosen according to the format 參數 (見 timeFormat ()).

If the time could not be parsed, returns an invalid time.

該函數在 Qt 4.4 引入。

另請參閱 timeFormat (), toDate (), toDateTime ()，和 QTime::fromString ().

QTime QLocale:: toTime (const QString & string , const QString & format ) const

Parses the time string given in string and returns the time. See QTime::fromString () for information on what is a valid format string.

If the time could not be parsed, returns an invalid time.

該函數在 Qt 4.4 引入。

另請參閱 timeFormat (), toDate (), toDateTime ()，和 QTime::fromString ().

uint QLocale:: toUInt (const QString & s , bool * ok = 0, int base = 0) const

Returns the unsigned int represented by the localized string s , using base base 。若 base is 0 the base is determined automatically using the following rules: If the string begins with "0x", it is assumed to be hexadecimal; if it begins with "0", it is assumed to be octal; otherwise it is assumed to be decimal.

若轉換失敗，函數返迴 0。

若 ok is not 0, failure is reported by setting *ok to false, and success by setting *ok to true.

此函數忽略前導和結尾空格。

另請參閱 toInt () 和 toString ().

qlonglong QLocale:: toULongLong (const QString & s , bool * ok = 0, int base = 0) const

Returns the unsigned long long int represented by the localized string s , using base base 。若 base is 0 the base is determined automatically using the following rules: If the string begins with "0x", it is assumed to be hexadecimal; if it begins with "0", it is assumed to be octal; otherwise it is assumed to be decimal.

若轉換失敗，函數返迴 0。

若 ok is not 0, failure is reported by setting *ok to false, and success by setting *ok to true.

此函數忽略前導和結尾空格。

另請參閱 toLongLong (), toInt (), toDouble ()，和 toString ().

ushort QLocale:: toUShort (const QString & s , bool * ok = 0, int base = 0) const

Returns the unsigned short int represented by the localized string s , using base base 。若 base is 0 the base is determined automatically using the following rules: If the string begins with "0x", it is assumed to be hexadecimal; if it begins with "0", it is assumed to be octal; otherwise it is assumed to be decimal.

若轉換失敗，函數返迴 0。

若 ok is not 0, failure is reported by setting *ok to false, and success by setting *ok to true.

此函數忽略前導和結尾空格。

另請參閱 toShort () 和 toString ().

QString QLocale:: toUpper (const QString & str ) const

返迴大寫副本的 str .

該函數在 Qt 4.8 引入。

QStringList QLocale:: uiLanguages () const

Returns an ordered list of locale names for translation purposes in preference order.

The return value represents locale names that the user expects to see the UI translation in.

Most like you do not need to use this function directly, but just pass the QLocale 對象到 QTranslator::load () 函數。

The first item in the list is the most preferred one.

該函數在 Qt 4.8 引入。

另請參閱 QTranslator and bcp47Name ().

QList < Qt::DayOfWeek > QLocale:: weekdays () const

Returns a list of days that are considered weekdays according to the current locale.

該函數在 Qt 4.8 引入。

QChar QLocale:: zeroDigit () const

返迴此區域設置的 0 數字字符。

該函數在 Qt 4.1 引入。

bool QLocale:: operator!= (const QLocale & other ) const

返迴 true 若 QLocale object is not the same as the other locale specified; otherwise returns false.

QLocale & QLocale:: operator= (const QLocale & other )

賦值 other 到此 QLocale 對象並返迴引用為此 QLocale 對象。

bool QLocale:: operator== (const QLocale & other ) const

返迴 true 若 QLocale object is the same as the other locale specified; otherwise returns false.