std::left, std::right, std::internal
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| Defined in header <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) | |
Modifica la posición predeterminada de los caracteres de relleno.
1) left y right aplicar a cualquier salida, internal se aplica a la salida número entero, punto flotante y monetaria. No tiene ningún efecto sobre la entrada .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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establece el
2) adjustfield del str corriente a left como si se aplicase 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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establece el
3) adjustfield del str corriente a right como si se aplicase 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.
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establece el
adjustfield del str corriente a internal como si se aplicase 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.
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Este es un manipulador de E / S, puede ser llamada con una expresión como out << std::left para cualquier
out de std::basic_ostream tipo o con una expresión como in >> std::left para cualquier in de std::basic_istream tipo .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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Contenido |
[editar] Parámetros
| str | - | referencia a la secuencia de E / S
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. |
[editar] Valor de retorno
str (referencia a la corriente después de la manipulación)Original:
str (reference to the stream after manipulation)The text has been machine-translated via Google Translate.
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[editar] Ejemplo
#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'; }
Output:
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
[editar] Ver también
| cambia el ancho de la siguiente entrada / salida de campo 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. (función) | |
| cambia el carácter de relleno 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. (función de plantilla) | |
