#include <QCoreApplication>
#include <QStringList>
#include <QFontDatabase>
#include <QFont>QFont font;int index = QFontDatabase::addApplicationFont(":/Font/Resources/font/Quartz.ttf");if (index != -1){ QStringList fontList(QFontDatabase::applicationFontFamilies(index)); if (fontList.count() > 0) { font.setFamily(fontList.at(0)); font.setBold(false); }}QLabel* label = new QLabel("腾讯QQ", this);label->setFont(font);