#include "mainwindow.h" #include int main(int argc, char *argv[]) { QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); QApplication::setStyle("fusion"); auto font = QFont("Microsoft YaHei UI"); font.setPointSize(12); QApplication::setFont(font); QApplication a(argc, argv); MainWindow w; w.show(); return a.exec(); }