Wide character output result [closed]

问题:

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.

Closed 7 years ago.

Why do I get numbers as output result when using wchar_t?

#include <iostream>
using namespace std;
int main()
{
    wchar_t q;
    q = 'A';
    cout << q;
    q = 'B';
    cout << q;
    q = 'C';
    cout << q;
    return 0;
}

回答1:

The displayed 'numbers' are the value of the character. That's the reason you get 'numbers'. If you want to display the characters you can use wcout

回答2:

std::cout is a basic_iostream<char>. There is no operator<< overload for wchar_t for basic_iostream<char>. When you output wchar_t objects they must be converted to some type for which there is an operator<< overload. The selected conversion is to an integral type other than char and so the integral value is shown instead of the represented character.