Varianti

    std::basic_ofstream::open

    Da cppreference.com.

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    <metanoindex/>

     
    C++
     
    Ingresso / libreria di output
    I / O manipolatori
    C-style I / O
    Buffer
    Original:
    Buffers
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    basic_streambuf
    basic_filebuf
    basic_stringbuf
    strstreambuf(deprecato)
    Streams
    Original:
    Streams
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    Astrazioni
    Original:
    Abstractions
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    ios_base
    basic_ios
    basic_istream
    basic_ostream
    basic_iostream
    File I / O
    Original:
    File I/O
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    basic_ifstream
    basic_ofstream
    basic_fstream
    String I / O
    Original:
    String I/O
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    basic_istringstream
    basic_ostringstream
    basic_stringstream
    Array I / O
    Original:
    Array I/O
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    istrstream(deprecato)
    ostrstream(deprecato)
    strstream(deprecato)
    Tipi
    Original:
    Types
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    streamoff
    streamsize
    fpos
    Errore categoria interfaccia
    Original:
    Error category interface
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    iostream_category(C++11)
    io_errc(C++11)
     
    std::basic_ofstream
    Membri funzioni
    Original:
    Member functions
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    basic_ofstream::basic_ofstream
    basic_ofstream::operator=(C++11)
    basic_ofstream::swap(C++11)
    basic_ofstream::rdbuf
    Operazioni sui file
    Original:
    File operations
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    basic_ofstream::is_open
    basic_ofstream::open
    basic_ofstream::close
    Non membri funzioni
    Original:
    Non-member functions
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    basic_ofstream::swap(std::basic_ofstream)(C++11)
     
    <tbody> </tbody>
    void open( const char *filename, ios_base::openmode mode = ios_base::out );
    void open( const std::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
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    mode -
    specifica modalità di apertura flusso. E 'tipo di maschera di bit, le seguenti costanti sono definite:
    Constant
    Original:
    Constant
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    		 Explanation
    app
    cercano alla fine del flusso prima di ogni scrittura
    Original:
    seek to the end of stream before each write
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    binary
    aperto in modalità binaria
    Original:
    open in binary mode
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