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std::basic_stringstream::str – cppreference.com

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`std::basic_string<CharT,Traits,Allocator> str() const;`	(1)

`void str(const std::basic_string<CharT,Traits,Allocator>& new_str);`	(2)

Verwaltet die Inhalte der zugrunde liegenden String-Objekt .

Original:

Manages the contents of the underlying string object.

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1)

Gibt eine Kopie des zugrunde liegenden String, als ob durch den Aufruf rdbuf()->str() .

Original:

Returns a copy of the underlying string as if by calling rdbuf()->str().

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2)

Ersetzt den Inhalt des darunterliegenden Band, als ob durch Aufrufen rdbuf()->str(new_str) .

Original:

Replaces the contents of the underlying string as if by calling rdbuf()->str(new_str).

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Parameter

new_str

-

neue Inhalt des zugrundeliegenden Zeichenfolge

Original:

new contents of the underlying string

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Rückgabewert

1)

eine Kopie des zugrunde liegenden String-Objekt .

Original:

a copy of the underlying string object.

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2)

(None)

Original:

(none)

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Beispiel

#include <sstream>
#include <iostream>
int main()
{
    int n;

    std::istringstream in;  // could also use in("1 2")
    in.str("1 2");
    in >> n;
    std::cout << "after reading the first int from \"1 2\", the int is "
              << n << ", str() = \"" << in.str() << "\"\n";

    std::ostringstream out("1 2");
    out << 3;
    std::cout << "after writing the int '3' to output stream \"1 2\""
              << ", str() = \"" << out.str() << "\"\n";

    std::ostringstream ate("1 2", std::ios_base::ate);
    ate << 3;
    std::cout << "after writing the int '3' to append stream \"1 2\""
              << ", str() = \"" << ate.str() << "\"\n";
}

Output:

after reading the first int from "1 2", the int is 1, str() = "1 2"
after writing the int '3' to output stream "1 2", str() = "3 2"
after writing the int '3' to append stream "1 2", str() = "1 23"

Siehe auch


	ersetzt oder erhält eine Kopie des zugehörigen Zeichenkette Original: replaces or obtains a copy of the associated character string The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (öffentliche Elementfunktion of `std::basic_stringbuf`) [edit]