filewrite.cpp

来自「C++高级编程这本书所附的源代码」· C++ 代码 · 共 33 行

/**
 * FileWrite.cpp
 */
#include <iostream>
#include <fstream>

using namespace std;

int main()
{
  ofstream outFile("FileWrite.out");

  if (outFile.fail()) {
    cerr << "Unable to open file for writing." << endl;
    exit(1);
  }

  outFile << "Hello!" << endl;

  outFile.close();

  ofstream appendFile("FileWrite.out", ios_base::app);

  if (appendFile.fail()) {
    cerr << "Unable to open file for writing." << endl;
    exit(1);
  }

  appendFile << "Append!" << endl;

  appendFile.close();
}