std::left, std::right, std::internal
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<metanoindex/>
<tbody> </tbody>| definiert 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) | |
Ändert die Standard-Positionierung der Füllzeichen.
left und right auf jeden Ausgang gelten, gilt internal auf Integer, Gleitkomma-und Währungsunion ausgegeben. Hat keine Auswirkung auf Eingang .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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1)
setzt die
adjustfield des Baches str um left, als ob durch den Aufruf 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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2)
setzt die
adjustfield des Baches str um right, als ob durch den Aufruf 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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3)
setzt die
adjustfield des Baches str um internal, als ob durch den Aufruf 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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Dies ist ein I / O-Manipulators, kann es mit einem Expressionsvektor wie
out << std::left für jede out vom Typ std::basic_ostream oder mit einem Expressionsvektor wie in >> std::left für jede in vom Typ std::basic_istream aufgerufen werden .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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Parameter
| str | - | Verweisen auf I / O-Strom
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. |
Rückgabewert
str (Verweis auf den Stream nach Manipulation)Original:
str (reference to the stream after manipulation)The text has been machine-translated via Google Translate.
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Beispiel
#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
Siehe auch
ändert sich die Breite des nächsten Eingangs / Ausgangs-Feldes 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. (Funktion) | |
ändert sich die Füllzeichen 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. (Funktions-Template) | |