Diferenças entre edições de "cpp/string/basic string/to string"
Da cppreference.com
< cpp | string | basic string
m (r2.7.3) (Robô: A adicionar: de, en, es, fr, it, ja, ru, zh) |
m (Allow search engines to index popular pages.) |
||
(Uma edição intermédia de um utilizador não apresentada) | |||
Linha 1: | Linha 1: | ||
− | {{ | + | {{}} |
{{cpp/title|to_string}} | {{cpp/title|to_string}} | ||
{{cpp/string/basic_string/navbar}} | {{cpp/string/basic_string/navbar}} | ||
− | {{ | + | {{begin}} |
− | {{ | + | {{header | string}} |
− | {{ | + | {{| num=1 | =c++11 | |
std::string to_string( int value ); | std::string to_string( int value ); | ||
}} | }} | ||
− | {{ | + | {{| num=2 | sincec++11 | |
std::string to_string( long value ); | std::string to_string( long value ); | ||
}} | }} | ||
− | {{ | + | {{| num=3 | sincec++11 | |
std::string to_string( long long value ); | std::string to_string( long long value ); | ||
}} | }} | ||
− | {{ | + | {{| num=4 | sincec++11 | |
std::string to_string( unsigned value ); | std::string to_string( unsigned value ); | ||
}} | }} | ||
− | {{ | + | {{| num=5 | sincec++11 | |
std::string to_string( unsigned long value ); | std::string to_string( unsigned long value ); | ||
}} | }} | ||
− | {{ | + | {{| num=6 | sincec++11 | |
std::string to_string( unsigned long long value ); | std::string to_string( unsigned long long value ); | ||
}} | }} | ||
− | {{ | + | {{| num=7 | sincec++11 | |
std::string to_string( float value ); | std::string to_string( float value ); | ||
}} | }} | ||
− | {{ | + | {{| num=8 | sincec++11 | |
std::string to_string( double value ); | std::string to_string( double value ); | ||
}} | }} | ||
− | {{ | + | {{| num=9 | sincec++11 | |
std::string to_string( long double value ); | std::string to_string( long double value ); | ||
}} | }} | ||
− | {{ | + | {{end}} |
@1@ {{tr|Converte um número decimal inteiro assinado para uma string com o mesmo conteúdo que {{c|std::sprintf(buf, "%d", value)}} iria produzir para {{tt|buf}} suficientemente grande.|Converts a signed decimal integer to a string with the same content as what {{c|std::sprintf(buf, "%d", value)}} would produce for sufficiently large {{tt|buf}}.}} | @1@ {{tr|Converte um número decimal inteiro assinado para uma string com o mesmo conteúdo que {{c|std::sprintf(buf, "%d", value)}} iria produzir para {{tt|buf}} suficientemente grande.|Converts a signed decimal integer to a string with the same content as what {{c|std::sprintf(buf, "%d", value)}} would produce for sufficiently large {{tt|buf}}.}} | ||
Linha 43: | Linha 43: | ||
===Parâmetros=== | ===Parâmetros=== | ||
− | {{ | + | {{begin}} |
− | {{ | + | {{| value |{{tr| um valor numérico para converter| a numeric value to convert}}}} |
− | {{ | + | {{end}} |
===Valor de retorno=== | ===Valor de retorno=== | ||
Linha 67: | Linha 67: | ||
===Veja também=== | ===Veja também=== | ||
− | {{ | + | {{begin}} |
− | {{ | + | {{| cpp/string/basic_string/to_wstring}} |
− | {{ | + | {{end}} |
[[de:cpp/string/basic string/to string]] | [[de:cpp/string/basic string/to string]] |
Edição actual desde as 03h07min de 9 de julho de 2013
![]() |
This page has been machine-translated from the English version of the wiki using Google Translate.
The translation may contain errors and awkward wording. Hover over text to see the original version. You can help to fix errors and improve the translation. For instructions click here. |
Definido no cabeçalho <string>
|
||
std::string to_string( int value ); |
(1) | (desde C++11) |
std::string to_string( long value ); |
(2) | (desde C++11) |
std::string to_string( long long value ); |
(3) | (desde C++11) |
std::string to_string( unsigned value ); |
(4) | (desde C++11) |
std::string to_string( unsigned long value ); |
(5) | (desde C++11) |
std::string to_string( unsigned long long value ); |
(6) | (desde C++11) |
std::string to_string( float value ); |
(7) | (desde C++11) |
std::string to_string( double value ); |
(8) | (desde C++11) |
std::string to_string( long double value ); |
(9) | (desde C++11) |
1)
Converte um número decimal inteiro assinado para uma string com o mesmo conteúdo que std::sprintf(buf, "%d", value) iria produzir para
buf
suficientemente grande.Original:
Converts a signed decimal integer to a string with the same content as what std::sprintf(buf, "%d", value) would produce for sufficiently large
buf
.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.
2)
Converte um número decimal inteiro assinado para uma string com o mesmo conteúdo que std::sprintf(buf, "%ld", value) iria produzir para
buf
suficientemente grande..Original:
Converts a signed decimal integer to a string with the same content as what std::sprintf(buf, "%ld", value) would produce for sufficiently large
buf
..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.
3)
Converte um número decimal inteiro assinado para uma string com o mesmo conteúdo que std::sprintf(buf, "%lld", value) iria produzir para
buf
suficientemente grande.Original:
Converts a signed decimal integer to a string with the same content as what std::sprintf(buf, "%lld", value) would produce for sufficiently large
buf
.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.
4)
Converte um inteiro decimal sem sinal a uma string com o mesmo conteúdo que std::sprintf(buf, "%u", value) iria produzir para
buf
suficientemente grande.Original:
Converts an unsigned decimal integer to a string with the same content as what std::sprintf(buf, "%u", value) would produce for sufficiently large
buf
.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.
5)
Converte um inteiro decimal sem sinal a uma string com o mesmo conteúdo que std::sprintf(buf, "%lu", value) iria produzir para
buf
suficientemente grande.Original:
Converts an unsigned decimal integer to a string with the same content as what std::sprintf(buf, "%lu", value) would produce for sufficiently large
buf
.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.
6)
Converte um inteiro decimal sem sinal a uma string com o mesmo conteúdo que std::sprintf(buf, "%llu", value) iria produzir para
buf
suficientemente grande.Original:
Converts an unsigned decimal integer to a string with the same content as what std::sprintf(buf, "%llu", value) would produce for sufficiently large
buf
.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.
@ @ 7,8 Converte um valor de ponto flutuante para uma string com o mesmo conteúdo que std::sprintf(buf, "%f", value) iria produzir para
buf
suficientemente grande.Original:
@7,8@ Converts a floating point value to a string with the same content as what std::sprintf(buf, "%f", value) would produce for sufficiently large
buf
.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.
9)
Converte um valor em ponto flutuante para uma string com o mesmo conteúdo que std::sprintf(buf, "%Lf", value) iria produzir para
buf
suficientemente grande.Original:
Converts a floating point value to a string with the same content as what std::sprintf(buf, "%Lf", value) would produce for sufficiently large
buf
.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.
Índice |
[editar] Parâmetros
value | - | um valor numérico para converter
Original: a numeric value to convert 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
uma string com o valor convertido
Original:
a string holding the converted value
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.
[editar] Exemplo
#include <iostream> #include <string> int main() { double f = 23.43; std::string f_str = std::to_string(f); std::cout << f_str << '\n'; }
Saída:
23.430000
[editar] Veja também
(C++11) |
converte um valor de ponto flutuante para integral ou wstring Original: converts an integral or floating point value to wstring The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função) |