std::left, std::right, std::internal
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| Заголовочный файл <ios>
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| std::ios_base& left( std::ios_base& str ); |
(1) | |
| std::ios_base& right( std::ios_base& str ); |
(2) | |
| std::ios_base& internal( std::ios_base& str ); |
(3) | |
Изменяет стандартное расположение символов заполнения.
1) left и right применять на любой выход, internal относится и к целым, с плавающей точкой, а также денежные выход. Не влияет на входе.Original:
Modifies the default positioning of the fill characters.
left and right apply to any output, internal applies to integer, floating-point, and monetary output. Has no effect on input.The text has been machine-translated via Google Translate.
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устанавливает
2) adjustfield потока str в left как при вызове str.setf(std::ios_base::left, std::ios_base::adjustfield)Original:
sets the
adjustfield of the stream str to left as if by calling str.setf(std::ios_base::left, std::ios_base::adjustfield)The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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устанавливает
3) adjustfield потока str в right как при вызове str.setf(std::ios_base::right, std::ios_base::adjustfield)Original:
sets the
adjustfield of the stream str to right as if by calling str.setf(std::ios_base::right, std::ios_base::adjustfield)The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
устанавливает
adjustfield потока str в internal как при вызове str.setf(std::ios_base::internal, std::ios_base::adjustfield)Original:
sets the
adjustfield of the stream str to internal as if by calling str.setf(std::ios_base::internal, std::ios_base::adjustfield)The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
Это I / O манипулятора, его можно назвать с выражением таких как out << std::left для любого типа
out std::basic_ostream или выражения, такие как in >> std::left для любого типа in std::basic_istream.Original:
This is an I/O manipulator, it may be called with an expression such as out << std::left for any
out of type std::basic_ostream or with an expression such as in >> std::left for any in of type std::basic_istream.The text has been machine-translated via Google Translate.
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Содержание |
[править] Параметры
| str | - | ссылка на поток ввода / вывода
Original: reference to I/O stream The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
[править] Возвращаемое значение
str (ссылка на поток после манипуляций)Original:
str (reference to the stream after manipulation)The text has been machine-translated via Google Translate.
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[править] Пример
#include <iostream> #include <iomanip> #include <locale> int main() { std::cout.imbue(std::locale("en_US.utf8")); std::cout << "Left fill:\n" << std::left << std::setfill('*') << std::setw(12) << -1.23 << '\n' << std::setw(12) << std::hex << std::showbase << 42 << '\n' << std::setw(12) << std::put_money(123, true) << "\n\n"; std::cout << "Internal fill:\n" << std::internal << std::setw(12) << -1.23 << '\n' << std::setw(12) << 42 << '\n' << std::setw(12) << std::put_money(123, true) << "\n\n"; std::cout << "Right fill:\n" << std::right << std::setw(12) << -1.23 << '\n' << std::setw(12) << 42 << '\n' << std::setw(12) << std::put_money(123, true) << '\n'; }
Вывод:
Left fill: -1.23******* 0x2a******** USD *1.23*** Internal fill: -*******1.23 0x********2a USD ****1.23 Right fill: *******-1.23 ********0x2a ***USD *1.23
[править] См. также
| изменяет ширину следующем поле ввода / вывода Original: changes the width of the next input/output field The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (функция) | |
| изменяет символ-заполнитель Original: changes the fill character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (шаблон функции) | |
