C++写入文本文档

#include 
#include //包含头文件
using namespace std;
int main()
{
 char automobile[50];
 int year;
 double a_price;
 double d_price;
 ofstream outFile;//创建一个ofstream对象
 outFile.open("carinfo.txt");//将这个ofstream对象和一个文件关联起来
 cout << "Enter the make and model price: ";
 cin.getline(automobile, 50);
 cout << "Enter the model year: ";
 cin >> year;
 cout << "Enter the original asking price: ";
 cin >> a_price;
 d_price = 0.913 * a_price;
 cout << fixed;//用一般的方式输出浮点型
 cout.precision(2);//设置精确度为2，并返回上一次的设置
 cout.setf(ios_base::showpoint);//显示浮点数小数点后面的零
 cout << "Make and model: " << automobile << endl;
 cout << "Year: " << year << endl;
 cout << "Was asking $ " << a_price << endl;
 cout << "Now asking $ " << d_price << endl;
 outFile << fixed;
 outFile.precision(2);
 outFile.setf(ios_base::showpoint);
 outFile << "Make and model: " << automobile << endl;
 outFile << "Year: " << year << endl;
 outFile << "Was asking $ " << a_price << endl;
 outFile << "Now asking $ " << d_price << endl;
 outFile.close();
 system("pause");
 return 0;
}