qstring to std string code example

Example 1: how to convert qt string to string

QString qs;
// do things
std::cout << qs.toStdString() << std::endl;

Example 2: std::string to qstring

QString str = QString::fromUtf8(content.c_str());

Example 3: qstring to string

QString qs;

// Either this if you use UTF-8 anywhere
std::string utf8_text = qs.toUtf8().constData();

// or this if you're on Windows :-)
std::string current_locale_text = qs.toLocal8Bit().constData();