QString string wstring 相关转换

hechengjin

std::wstring wSubject = s2ws(strContent);

1、QString与int相互转换

QString qstr = QString::number(123);

int i = atoi(qstr.toStdString().c_str());

也可以这样：int i = atoi(qstr.ascii());

2、QString与string，即std::string

string s = qstr.toStdString();

QString qstr2 = QString::fromStdString(s);