std::basic_ofstream::open

 

C++

Linguaggio

Concetti

Libreria di Utilità

Stringhe

Contenitori

Algoritmi

Iteratori

Libreria matematca

Input/output

Localizzazione

Espressioni regolari(C++11)

Operazioni atomicche(C++11)

Multithreading(C++11)

 

Ingresso / libreria di output

I / O manipolatori

C-style I / O

Buffer Original: Buffers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_streambuf

basic_filebuf

basic_stringbuf

strstreambuf (deprecato)

Streams Original: Streams The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Astrazioni Original: Abstractions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

ios_base

basic_ios

basic_istream

basic_ostream

basic_iostream

File I / O Original: File I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_ifstream

basic_ofstream

basic_fstream

String I / O Original: String I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_istringstream

basic_ostringstream

basic_stringstream

Array I / O Original: Array I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

istrstream (deprecato)

ostrstream (deprecato)

strstream (deprecato)

Tipi Original: Types The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

streamoff

streamsize

fpos

Errore categoria interfaccia Original: Error category interface The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

iostream_category (C++11)

io_errc (C++11)

 

std::basic_ofstream

Membri funzioni Original: Member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_ofstream::basic_ofstream

basic_ofstream::operator= (C++11)

basic_ofstream::swap (C++11)

basic_ofstream::rdbuf

Operazioni sui file Original: File operations The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_ofstream::is_open

basic_ofstream::open

basic_ofstream::close

Non membri funzioni Original: Non-member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_ofstream::swap(std::basic_ofstream) (C++11)

 

void open(constchar*filename,            ios_base::openmode mode = ios_base::out);
void open(conststd::string&filename,                                              ios_base::openmode mode = ios_base::out);		(dal C++11)

Apre e collaboratori file con il flusso di file. Chiede clear() in caso di successo o setstate(failbit) in caso di fallimento.

Original:

Opens and associates file with the file stream. Calls clear() on success or setstate(failbit) on failure.

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La prima versione chiama efficacemente rdbuf()->open(filename, mode | ios_base::out).

Original:

The first version effectively calls rdbuf()->open(filename, mode | ios_base::out).

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La seconda versione chiama efficacemente open(filename.c_str(), mode).

Original:

The second version effectively calls open(filename.c_str(), mode).

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Parametri

filename	-	il nome del file da aprire Original: the name of the file to be opened The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
mode	-	specifica modalità di apertura flusso. E 'tipo di maschera di bit, le seguenti costanti sono definite: Constant Original: Constant The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. Explanation app cercano alla fine del flusso prima di ogni scrittura Original: seek to the end of stream before each write The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. binary aperto in modalità binaria Original: open in binary mode The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. in aprire per la lettura Original: open for reading The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. out aperto per la scrittura Original: open for writing The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. trunc scartare il contenuto del flusso durante l'apertura Original: discard the contents of the stream when opening The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. ate cercano di fine flusso subito dopo aperto Original: seek to the end of stream immediately after open The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. Original: specifies stream open mode. It is bitmask type, the following constants are defined: Constant Original: Constant The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. Explanation app cercano alla fine del flusso prima di ogni scrittura Original: seek to the end of stream before each write The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. binary aperto in modalità binaria Original: open in binary mode The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. in aprire per la lettura Original: open for reading The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. out aperto per la scrittura Original: open for writing The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. trunc scartare il contenuto del flusso durante l'apertura Original: discard the contents of the stream when opening The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. ate cercano di fine flusso subito dopo aperto Original: seek to the end of stream immediately after open The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Valore di ritorno

(Nessuno)

Original:

(none)

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Vedi anche

is_open	controlla se il flusso è associato un file Original: checks if the stream has an associated file The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (metodo pubblico)
close	chiude il file associato Original: closes the associated file The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (metodo pubblico)