程式設計講義----PGM10-02.cpp

[Kenad (..大拇指腫歪歪..)]

#include <fstream.h>
#include <stdlib.h>
#include <iomanip.h>

const int MAXLENGTH = 21;  // maximum file name length

char filename[MAXLENGTH] = "prices.dat";  // put the filename up front

int main()
{
  ofstream out_file;

  out_file.open(filename);

  if (out_file.fail())
  {
    cout << "The file was not successfully opened" << endl;
    exit(1);
  }

     // set the output file stream formats
   out_file << setiosflags(ios::fixed)
            << setiosflags(ios::showpoint)
            << setprecision(2);

     // send data to the file
   out_file << "Batteries " << 39.95 << endl
            << "Bulbs "  << 3.22 << endl
            << "Fuses " << 1.00;

   out_file.close();

   return 0;
}

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