loc1.cpp

stl自带源码

/* The following code example is taken from the book
 * "The C++ Standard Library - A Tutorial and Reference"
 * by Nicolai M. Josuttis, Addison-Wesley, 1999
 *
 * (C) Copyright Nicolai M. Josuttis 1999.
 * Permission to copy, use, modify, sell and distribute this software
 * is granted provided this copyright notice appears in all copies.
 * This software is provided "as is" without express or implied
 * warranty, and with no claim as to its suitability for any purpose.
 */
#include <iostream>
#include <locale>
using namespace std;

int main()
{
    // use classic C locale to read data from standard input
    cin.imbue(locale::classic());

    // use a German locale to write data to standard ouput
    cout.imbue(locale("de_DE"));

    // read and output floating-point values in a loop
    double value;
    while (cin >> value) {
        cout << value << endl;
    }
}