#include #include "mainFrm.h" int main(int argc, char *argv[]) { // 高分屏缩放支持 QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // 高分屏缩放策略设置 QApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::PassThrough); QApplication a(argc, argv); mainFrm w; w.show(); return a.exec(); }