wchar_t和char转换

#include

#include
#include
#include
#include

using namespace std;

int main()
{    
        setlocale(LC_ALL, "zh_CN.UTF-8");
        ios_base::sync_with_stdio(false);
        locale loc("zh_CN.UTF-8");
        wcout.imbue(loc);

        wchar_t wch[] = L"out中国人out";

        char ch[80];
        memset(ch, '\0', sizeof(ch));
        int result = wcstombs(ch, wch, sizeof(ch) - 1);
        cout << "result = " << result << endl;
        cout << "strlen(ch) = " << strlen(ch) << endl;

        wchar_t wch2[20];
        mbstowcs(wch2, ch, 20);

        wcout << wch2 << endl;

        return 0;
}